Table of Contents

1 Preparation before installing the equipment 1-1

1.1 Safety precautions· 1-1

1.1.1 Safety signs· 1-1

1.1.2 General safety advice· 1-1

1.1.3 Electricity safety· 1-2

1.1.4 Laser safe· 1-2

1.1.5 Handling safety· 1-2

1.2 Installation site requirements· 1-3

1.2.1 Load-bearing requirements· 1-3

1.2.2 Temperature/humidity requirements· 1-3

1.2.3 Dust and harmful gas requirements· 1-4

1.2.4 Ventilation requirements· 1-5

1.2.5 Anti-static requirements· 1-5

1.2.6 Anti-electromagnetic interference requirements· 1-6

1.2.7 Lightning protection requirements· 1-6

1.2.8 Power supply requirements· 1-7

1.3 Installation tools· 1-7

1.4 Install accessories· 1-7

1.5 Checklist before installation· 1-8

2 Install the equipment 2-1

2.1 Installation process· 2-2

2.2 Mounted to the workbench· 2-2

2.2.1 Notes: 2-3

2.3 Mounts to a 19" standard cabinet 2-3

2.3.1 Notes: 2-3

2.3.2 Installation steps: 2-3

2.4 Connect the protective ground wire· 2-4

2.5 Install optional accessories· 2-4

2.5.1 Installing the Interface Module (Optional) 2-4

2.5.2 Installing the Grid Arrester (Optional) 2-5

2.5.3 Installing AC Power Arresters (Optional) 2-6

2.6 Connect the Ethernet interface cable· 2-7

2.6.1 Connect to the Ethernet electrical port 2-7

2.6.2 Connect the Ethernet optical port 2-7

2.7 Connect the power cord· 2-9

2.8 Post-installation inspection· 2-9

3 Log in to the device· 3-1

3.1 The device is powered on· 3-1

3.1.1 Check before powering up· 3-1

3.1.2 The device is powered on· 3-1

3.1.3 Check after powering on· 3-1

3.2 Common login methods· 3-1

4 Hardware replacement 4-2

4.1 Replace the interface module· 4-2

4.2 Replace the optical module· 4-2

 

1 Preparation before installing the equipment

1.1  Safety precautions

Please read this section carefully before installing the device to avoid personal injury and damage to the device. The actual situation includes but is not limited to the following safety precautions.

1.1.1  Safety signs

Based on the wide range of applications of devices and the important role they play in data communication networks, once again, pay attention to the following signs during reading:

Warning It indicates that the operation is incorrect, which may bring great danger to the personal safety of the equipment or equipment operator, and the operator must strictly abide by the correct operating procedures.

Attention Indicates the operations that need to be paid attention to during the installation and use of the equipment. If it is not done correctly, it may affect the normal use of the device.

1.1.2  General safety advice

·     Please place the equipment in a flat, no vibration, no strong electromagnetic interference, good anti-static measures, and a spacious venue, do not place it in the walking area, and take anti-slip measures.

·     Avoid placing the device on an unstable box or table, etc., to prevent serious damage to the equipment from falling.

·     Keep the device clean and dust-free, do not place the device in a wet place, and avoid allowing liquids to enter the device.

·     The equipment usually follows the principle of light at the top and heavy at the bottom, small at the top and large at the bottom, and is placed in the center and cross as much as possible without obvious deviation.

The common identification of the outer packaging is as follows:

logotype	illustrate
	This means that the stacking of devices cannot exceed N units. The number "n" indicates the maximum stack height, and the number varies from device to device
	It means that the device is placed in the direction of the arrow shown in the picture and cannot be turned upside down
	It is indicated as a fragile item, and the equipment should be handled and handled with care
	It indicates that the equipment is protected from moisture and prevents water from entering the equipment

 

·     When the system is running, the room should be well ventilated and the equipment vents should be kept open.

·     For the device to operate properly at the correct voltage, make sure that the operating voltage matches the voltage indicated by the power module of the device.

·     When installing the device, if the screws need to be tightened, they must be operated with tools.

·     After the equipment is installed, be sure to remove empty packaging materials and installation tools from the equipment area.

1.1.3  Electricity safety

·     Please carefully inspect your work area for potential hazards, such as ungrounded power supply, unreliable power grounding, wet grounding, etc.

·     Before installation, familiarize yourself with the location of the emergency power switch at the place where the equipment is located, and cut off the power switch in case of an accident. If necessary, the power cord of the device should be unplugged immediately.

·     When performing live maintenance on the device, try not to operate it alone.

·     When you need to power off the equipment, please check carefully to confirm that the power supply is turned off.

1.1.4  Laser safe

 

·     Before disconnecting the fiber optic connector, make sure the light source is turned off after turning off the device switch.

·     After disconnecting the fiber, use the fiber cap to protect the fiber connector from dust contamination.

1.1.5  Handling safety

When handling equipment, pay attention to:

·     The packaging material from the factory can resist a certain degree of collision and vibration, but violent impacts and drops can still cause damage to the equipment, please make sure to lift and disassemble the equipment lightly.

·     When the device is transported from a place with a lower temperature (below zero degrees Celsius) to a room with a higher temperature, it should be unpacked after at least 0.5 hours and powered on after 2 hours, otherwise it will cause condensation and damage to the electronic equipment.

·     When moving multiple pieces of equipment, use tools such as carts to carry them.

·     Once the device is initially installed in place, make sure to unplug all external cables connected to the device before transporting it.

·     When transporting long distances, please remove various pluggable components (such as interface modules, etc.) from the equipment and pack them separately in anti-static bags for proper transportation. Before the equipment is transported, the slot false panel provided when the equipment leaves the factory should be returned to its original position to avoid falling into foreign objects during transportation and causing internal damage to the equipment. When handling short distances, ensure that the various pluggable components are securely attached to the machine and that the screws are tightened.

·     When moving or lifting the chassis, hold the bottom edge of the chassis and do not move the vehicle by lifting the pluggable components installed in the chassis.

·     Please ensure that the equipment is fully equipped with accessories to avoid loss or damage during transportation.

1.2  Installation site requirements

In order to ensure the normal operation of the equipment and extend its service life, the equipment must be installed indoors for use, and the installation site should meet the following requirements.

1.2.1  Load-bearing requirements

Estimate the floor load requirements based on the actual weight of the installation equipment and its accessories (e.g., cabinets, interface modules, etc.), and ensure that the floor capacity of the installation site meets this requirement. For weight specifications, see Appendix A Device Appearance and Hardware Specifications.

1.2.2  Temperature/humidity requirements

In order to ensure the normal operation of the equipment and extend its service life, it is necessary to maintain a certain temperature and humidity in the computer room.

·     If the long-term relative humidity in the computer room is too high, it is easy to cause poor insulation or even leakage of insulation materials, and changes in material mechanical properties and rust of metal parts may also occur.

·     If the long-term relative humidity in the computer room is too low, the insulation gasket will dry out and shrink, and it is easy to cause the fastening screws to loosen, and in a dry climatic environment, it is easy to generate static electricity, which will harm the circuit on the equipment.

·     Excessive temperature is more harmful because high temperature will accelerate the aging process of insulation materials, greatly reduce the reliability of the equipment, and seriously affect its service life.

The requirements for temperature and humidity of the equipment are shown in the table below.

1-1 Environmental Requirements (Indoor)

project	illustrate
Ambient temperature	·     Operation: 0~40°C ·     Non-operating: -20oC~70°C
Ambient humidity	·     Operation: 5~95%, non-condensing ·     Non-working: 0~90%, no condensation

 

1.2.3  Dust and harmful gas requirements

In order to ensure the normal operation of the equipment, a certain degree of cleanliness needs to be maintained in the computer room, and dust is a major hazard to the operation safety of the equipment. Indoor dust falling on the body will cause electrostatic adsorption, making the metal connector or metal contact poor contact, especially when the indoor relative humidity is low, it is more likely to cause electrostatic adsorption, which will not only affect the life of the equipment, but also easily cause communication failure. The dust content and particle size requirements in the computer room are shown in the table below.

1-2 Dust content requirements in the computer room

Mechanically active substances	unit	content
Dust particles	grains/m3	≤3×104 (No visible dust on the desktop within 3 days)
NOTE: Dust particles ≥ 5 μm in diameter

 

In addition to dust, the equipment room also has strict requirements for salts, acids and sulfides contained in the air. These harmful gases can accelerate the corrosion of metals and the aging process of certain components. The intrusion of harmful gases such as SO2, H2S, NH3, Cl2, etc. should be prevented in the computer room, and the specific limit values are shown in the table below.

1-3 Harmful gas limits in the computer room

gas	maximum (mg/m3).
SO2 (sulfur dioxide).	0.2
H2S (hydrogen sulfide).	0.006
NH3 (ammonia).	0.05
Cl2 (chlorine).	0.01
NO2 (Nitrogen Dioxide)	0.04

 

1.2.4  Ventilation requirements

The equipment adopts the heat dissipation method of left and right air inlet and rear air outlet. In order to facilitate the ventilation and heat dissipation of the equipment, please plan the installation site reasonably according to the direction of the air duct of the equipment, and the requirements are as follows:

·     Make sure there is enough space at the air inlet and outlet of the device (more than 10cm is recommended) to facilitate heat dissipation in the chassis.

·     Ensure that the installation site has good ventilation and heat dissipation systems.

1.2.5  Anti-static requirements

1. Anti-static measures

To prevent electrostatic damage, the following should be done:

·     Ensure that the equipment, workbench or cabinet are well grounded.

·     Ensure that the indoor dust protection and temperature/humidity conditions meet the installation requirements, see "1.2.2  Temperature/humidity requirements"And"1.2.3  Dust and harmful gas requirements”。

·     Before operating the equipment, wear anti-static overalls, anti-static gloves and wrists, and remove easily conductive objects such as jewelry and watches to avoid electric shock or burns.

·     Place the disassembled interface modules on the anti-static workbench with the board side up or in an anti-static bag.

2. Wear an anti-static wrist

 

Before wearing an anti-static wrist, make sure that the cabinet or workbench is well grounded, and then follow the steps below to wear the anti-static wrist:

(1)     Put your hand into your anti-static wrist.

(2)     Tighten the anti-static wrist and make sure the anti-static wrist is in good contact with the skin.

(3)     Engage the lock on the anti-static wrist with the latch on the alligator clip.

(4)     Clip the alligator clip to the cabinet or workbench where the device is located.

1-1 Schematic diagram of the anti-static wrist

1: Anti-static wrist	2: Lock	3: Alligator clip

 

1.2.6  Anti-electromagnetic interference requirements

The device may be subject to interference from outside the system during use, which affects the device through capacitive coupling, inductive coupling, electromagnetic wave radiation, common impedance (including grounding system) coupling, and conductor (power line, signal line, output line, etc.). For this reason, it should be noted that:

·     The AC power supply system is the TN system, and the TN power supply system is a protection system that connects the metal shell of electrical equipment and the metal part that is not live normally with the working neutral wire, which is called the zero connection protection system. AC power sockets should use single-phase three-wire power sockets with protected ground wires (PE), so that the filtering circuit on the equipment can effectively filter out grid interference.

·     The working location of the equipment should be far away from high-power radio transmitters, radar transmitters, and high-frequency and high-current equipment.

·     If necessary, the method of electromagnetic shielding should be adopted, such as shielded cables for interface cables.

·     The interface cable is required to be routed indoors, and it is not recommended to route outdoors to prevent damage to the equipment signal port due to overvoltage and overcurrent generated by lightning.

1.2.7  Lightning protection requirements

In order to achieve better lightning protection effect, the following requirements need to be met:

·     Ensure that the protective ground of the chassis is in good contact with the earth with a protective ground wire.

·     Ensure that the grounding point of the AC outlet is in good contact with the earth.

·     You can consider adding a power arrester to the front end of the input of the power supply, which can greatly enhance the lightning resistance of the power supply.

1.2.8  Power supply requirements

Please ensure that the power supply system at the installation site is stable and can meet the requirements of the input mode, rated input voltage and other parameters of the selected power module. For more information about the specifications of the power module, see Appendix A Device Appearance and Hardware Specifications.

1.3  Installation tools

 

Crimping pliers	Phillips screwdriver	Needle-nose pliers	Wire strippers
Anti-static wrist	multimeter	Paper cutter	Diagonal pliers

 

1.4  Install accessories

Attachment Name	use
Floating nuts	When mounting equipment to a rack, it is used for screw fixing
M5 screws	Used to secure equipment to a rack
Cable ties (user-provided)	It is used to fix the power cord of the equipment to make the installation beautiful and neat
M4 countersunk screw	Used to secure the front lug to the device
Hang your ears	Used to secure equipment to a cabinet, including front and rear lugs
Adhesive pads	Used to prevent wear and slippage at the bottom of the device
Protect the ground wire	It is used for lightning protection and interference
Power cord	Used to power devices, each equipped with one or two power cords

 

1.5  Checklist before installation

1-4 Checklist before installation

project		request	whether it is satisfied
installation site	Ventilation and heat dissipation	·     There is a space of more than 10cm at the air inlet and vent of the equipment ·     Install a good ventilation and heat dissipation system in the field
	Ambient temperature	·     Operation: 0~40°C ·     Non-operating: -20~75°C
	Ambient humidity	·     Operation: 10~90%, no condensation ·     Non-working: 0~90%, no condensation
	Cleanliness requirements	Dust particles≤ 3×104 particles/m3 (no visible dust on the table within three days).
	Anti-static requirements	·     The equipment, cabinet or workbench is well grounded ·     Dustproof indoors ·     Meet temperature and humidity requirements ·     When installing various types of pluggable modules, please wear an anti-static wrist and make sure that the anti-static wrist is in good contact with the skin and well grounded ·     When installing, disassembling, observing or transferring the disassembled interface module, touch the outer edge of the circuit board with your hand to avoid directly touching the components on the circuit board with your hands ·     Place the disassembled interface module on the anti-static workbench with the board side up or in an anti-static bag
	Electromagnetic environment requirements	·     Effective measures to prevent grid interference are taken for the power supply system ·     The working place of the equipment should not be used with the grounding device or lightning protection grounding device of the power equipment, and should be as far away as possible ·     Stay away from high-power radio transmitters, radar transmitters, and high-frequency and high-current equipment ·     Take measures for electromagnetic shielding
	Lightning protection requirements	·     The protective ground of the equipment is well grounded ·     The AC outlet has a good grounding point ·     Powered-up surge arrester (optional)
	Power supply requirements	·     UPS (Uninterrupted Power Supply) is recommended ·     Clarify the position of the external power switch in case of an accident in the operation of the equipment
	Cabinet installation requirements	·     Make sure the cabinet has a good ventilation and cooling system ·     The cabinet is strong enough to support the weight of the equipment and its mounting accessories ·     The cabinet is sized to fit the installation of the equipment ·     The distance between the front and back of the equipment cabinet and the wall or other equipment should not be less than 0.8 meters
Safety precautions	·     Keep the device away from heat sources and damp places ·     Identify the external power switch
Installation tools and accessories	·     Installation accessories that come with the device ·     User-provided installation tools
Refer to the documentation	·     Random data of the device ·     Website information

 

2 Install the equipment

 

2.1  Installation process

2-1 Schematic diagram of the equipment installation process

 

2.2  Mounted to the workbench

In the case where the user does not have a standard 19-inch cabinet, the common method is to place the equipment on a clean workbench.

2.2.1  Notes:

·     Ensure the stability and good grounding of the workbench.

·     Ensure good ventilation during installation and leave 10cm of heat dissipation space around the device.

·     Do not place heavy objects on the device.

·     When it needs to be stacked, the vertical distance between the devices should not be less than 1.5 cm.

2.3  Mounts to a 19" standard cabinet

2.3.1  Notes:

·     When installing equipment in a 19-inch standard cabinet, make sure that there is 1U (44.45mm) of space between adjacent devices for device heat dissipation.

·     Due to the heavy weight of the equipment, it is recommended to use the front lug at the same time as the tray or the front hanging lug with the rear hanging lug at the same time to safely carry the weight of the equipment.

·     When installing equipment in a cabinet, it is recommended to have at least two people to operate it to avoid injury to the equipment and personal injury.

2.3.2  Installation steps:

(1)     Unpack the device and remove the device with the accessories.

(2)     Use the hanging ear to measure the front hole strip to determine the installation position of the floating nut, and use the rear hanging lug to mark the installation position of the floating nut on the rear hole strip at the same horizontal position as the lower end of the front hanging lug, and mark it with a marker, and then install the floating nut at the mark.

(3)     Install the front lugs and use the included M4 screws to secure the left and right front lugs to the left and right sides of the front panel of the device.

(4)     Install the rear hanging ears, and use M5 screws to mount the left and right rear hanging ears on the rear hole strips of the cabinet.

(5)     Mount the device to the cabinet, and the rear end of the device needs to be placed on the rear hanging ear.

(6)     Use a Phillips screwdriver to rotate the M5 screws clockwise to secure the left and right front lugs of the device to the front hole strips of the cabinet.

2.4  Connect the protective ground wire

 

The device can be grounded by connecting to the grounding terminal of the cabinet, at this time, please confirm that the cabinet is well grounded. When the equipment is installed with a ground strip, the other end of the ground wire can be directly connected to the ground strip. This article only uses the cabinet grounding method as an example.

(1)     Remove the screws (ground screws) attached to the ground hole on the device chassis.

(2)     Put the OT terminals of the yellow-green two-color ground wire that are included with the chassis ground screw.

(3)     Install the ground screw to the ground hole of the device and tighten it with a Phillips screwdriver.

(4)     Remove the nut at the designated grounding point on the cabinet to expose the grounding post.

(5)     The other end is tightened with a nut.

2.5  Install optional accessories

2.5.1  Installing the Interface Module (Optional)

 

Here's how to install it:

(1)     The operator faces the front panel of the device.

(2)     Use a Phillips screwdriver to unscrew the hand screws on the false panel counterclockwise and remove the false panel.

(3)     Slowly advance the interface module along the slot rail horizontally.

(4)     Tighten the hand-screwed screws of the interface module clockwise with a Phillips screwdriver.

2.5.2  Installing the Grid Arrester (Optional)

 

When the equipment is used in the computer room, if the network cable enters the equipment out of the house, please connect the network port lightning arrester in series before the signal cable enters the network port of the equipment to avoid damage caused by lightning strike.

1. Installation steps:

(1)     Tear off the protective paper on one side of the double-sided adhesive (provided by the user), and stick the double-sided adhesive on the shell of the mesh arrester; Tear off the protective paper on the other side of the double-sided tape and attach the mesh arrester to the device's casing. The pasting position of the network arrester should be as close to the grounding terminal of the equipment as possible.

(2)     According to the distance of the grounding terminal of the equipment, cut the ground wire of the arrester at the network port, and tighten the ground wire firmly on the grounding terminal of the equipment, and confirm that the grounding terminal of the equipment is properly grounded at this time.

(3)     Use a multimeter to measure whether the ground wire of the surge arrester is in good contact with the grounding terminal and casing of the equipment, measure the resistance close to 0 ohms with a multimeter, and gently pull the wire to make it firm.

(4)     According to the description in the manual of the network port arrester, connect the network port arrester with the network port adapter cable (pay attention to the direction, the external cable is connected to the IN end, and the adapter cable connected to the OUT end on the equipment) is connected to the OUT end, and observe whether the interface module indicator light is normal.

 

2. Installation precautions

The following situations in actual installation will affect the performance of the network port arrester, please pay attention to it:

(1)     The installation direction of the network port arrester is reversed. The correct operation should be "IN" to connect the external cable and "OUT" to the equipment network port.

(2)     The net port arrester is poorly grounded. The ground wire of the arrester should be as short as possible to ensure good contact with the grounding terminal of the equipment, and after the connection is completed, please confirm it with a multimeter.

(3)     The network port arrester is not fully installed. When the equipment is connected with other equipment and has more than one cable outlet network port, it is necessary to install lightning arresters on all cable outlet network ports to play a protective role.

2.5.3  Installing AC Power Arresters (Optional)

 

When the AC power cord is introduced from the outdoors and directly connected to the AC power input port of the equipment, the AC power input port should be connected to the external lightning protection wiring strip to prevent the equipment from being struck by lightning. Lightning protection terminals can be fixed to the walls of cabinets, workbenches or computer rooms with wire buckles and screws. When using, the AC power enters the lightning protection wiring strip first, and then enters the equipment after passing through the lightning protection wiring strip.

2-1 Schematic diagram of power arresters

1: Normal Working Indicator (Green)	"Light" indicates that the circuit is working properly, and "extinguished" means that the protection circuit has been damaged
2: Grounding, Polarity Detection Indicator (Red)	"Light" indicates that the wiring is wrong (ungrounded wire or fire, neutral wire is reversed), please check the power supply line at this time
3: Power switch
4: IEC standard socket	It is connected to the power supply in the data center via a power cable
5: Overload automatic protector	Can be automatically reset
6: Multi-purpose socket	Used to connect to the power supply of the device

 

It should be noted that:

(1)     When using a power arrester, be sure to ensure that its PE terminals are grounded.

(2)     After plugging the AC power plug into the socket of the power arrester (lightning protection wiring strip), the power arrester can only be considered to achieve the lightning protection function when the green light represents operation is on, and there is no red light alarm.

(3)     For the red light alarm of the power arrester, it is necessary to pay enough attention and deal with it, and correctly distinguish whether the ground wire is not connected well, or the fire and neutral wire are reversed.

(4)     The polarity at the power socket of the surge arrester can be measured with a multimeter, as follows:

·     If it is left zero and right fire (looking directly at the socket), it means that the PE terminal of the power arrester is not grounded.

·     If it is not left zero and right fire, it means that the polarity of the AC power socket connected to the power arrester is reversed, and the power arrester needs to be turned on to change the wiring polarity.

2.6  Connect the Ethernet interface cable

2.6.1  Connect to the Ethernet electrical port

Since the Ethernet port on the front panel of the device and the 10/100/1000BASE-T Ethernet port on the interface module support MDI/MDIX adaptation, you can use a standard network cable or a crossover network cable.

The Ethernet cable is connected as follows:

(1)     Connect one end to the device's Ethernet port and the other end to the Ethernet port of the countering device.

(2)     After powering on, please check whether the indicator light of the Ethernet port is normal. For the status of the indicators, see "Appendix B Introduction to Indicators".

 

2.6.2  Connect the Ethernet optical port

The device supports Gigabit SFP and 10000 Gigabit SFP+ transceivers. For specific specifications of optical modules, see Appendix A Device Appearance and Hardware Specifications.

 

2-2 Schematic diagram of the appearance of Gigabit SFP optical module

 

2-3 Schematic diagram of the appearance of the 1000 Gigabit SFP+ optical module

 

1. Install and connect optical modules

 

Installation Steps:

(1)     Remove the dust cover on the Ethernet optical interface.

(2)     Remove the dust cap of the optical module and align the end of the optical module without the handle with the optical module to the optical interface, and insert the optical module into the optical interface.

(3)     Remove the dust cap of the fiber optic connector and wipe the end face of the fiber optic connector ferrule clean with dust-free paper dipped in absolute alcohol.

(4)     Confirm the Rx and Tx ports on the optical module, insert the two fiber connectors at one end of the fiber into the Rx and Tx ports of the optical module respectively, and then insert the two fiber connectors at the other end of the fiber into the Tx and Rx ports of the opposite device respectively.

2.7  Connect the power cord

 

2.8  Post-installation inspection

The inspection after the installation of the equipment is very important, whether the installation is firm, whether the grounding is good or not, and whether the power supply is matched or not, which will be directly related to the normal use of the equipment. The basic inspection items are as follows:

·     Whether there is enough heat dissipation space around the equipment and whether the installation is stable.

·     All screws are properly fastened.

·     Whether the specifications of the external power supply are consistent with the requirements of the equipment.

·     The equipment protects the correct and reliable connection of the ground wire and power cord, and the contact is good.

 

3 Log in to the device

3.1  The device is powered on

3.1.1  Check before powering up

The following checks should be carried out before powering on the device:

·     Whether the power cord and the protective ground wire are connected correctly.

·     Whether the specifications of the external power supply are consistent with the requirements of the equipment.

·     Whether the cable connection is correct and whether the PC or terminal is turned on and set correctly.

·     If the device also has an interface module installed, you need to make sure that the interface module is installed correctly.

 

3.1.2  The device is powered on

Turn on the power supply system switch that provides power to the equipment.

3.1.3  Check after powering on

Once the device is powered on, it is necessary to check:

(1)     Whether the indicator light on the front panel of the device is displayed normally. For an explanation of the status of the front panel indicators, see "Appendix B Indicator Light Introduction".

(2)     After the device is powered on, the ventilation system starts to work, and the sound of the fan rotation can be heard, and the air is discharged from the vent hole of the device.

3.2  Common login methods

Login through the management interface: This login method can be configured and managed through username and password authentication by entering the IP address in the browser.

4 Hardware replacement

 

4.1  Replace the interface module

If you need to replace the interface module, please turn off the power supply of the device to stop the interface module from working, and then replace it, please follow the following steps to complete the disassembly of the service board:

(1)     Power off the device.

(2)     Use a Phillips screwdriver to unscrew the hand screws on the interface module counterclockwise.

(3)     First, pull the interface module along the socket rail for a short distance, then hold the bottom of the interface module with one hand, and slowly pull the interface module horizontally out of the interface module slot with the other hand, and keep the interface module properly.

(4)     The disassembled interface module should be placed on the anti-static workbench with the board side up or placed in an anti-static bag.

(5)     If the interface module is no longer installed in this slot, install the false panel.

4.2  Replace the optical module

 

During the process of disassembling the optical module, do not touch the gold finger part of the module directly with your hand, as the gold finger position is shown in the figure below.

4-1 Optical module gold finger

 

The method of replacing the optical module is as follows:

(1)     Before disconnecting the fiber optic connector, turn off the device to ensure the light source is turned off.

(2)     Press and hold the clip on the LC connector to remove the LC connector connected to the optical fiber from the optical module, and then put a protective cap on the LC connector.

(3)     Pull the handle of the optical module to be removed until it is horizontal, and then slowly pull the optical module outward.

(4)     Insert the dust cap into the removed optical module and place the optical module in the bag.

If the interface is no longer equipped with other optical modules, cover the dust cover. Install the new optical module. For the installation steps of optical modules, see "1. Install and connect optical modules”。