Data Link Layer Protocols

802.1Q, Ethernet, PPPoE Server / Client, PPP, MP

Network Layer Protocols

IP, ICMP, IP Fast Switch, DHCP Client / Server / Relay, ARP, Proxy ARP

Routing Protocols

Static Routing, OSPF, RIP v1/v2, Policy Routing

Application Layer Protocols

Telnet, SSH, FTP Server / Client, TFTP, File system, NTP, Configuration function, SNMP, RMON

Security Characteristics

AAA, RADIUS, Huawei-TACACS, Firewall, ASPF, NAT, ACL, L2TP, GRE, IPSec, IKE, PKI

QoS

RED/WRED, CAR, GTS, LR, PQ, CQ, WFQ, CBQ, RTPQ, LLQ

Reliability Functions

VRRP, Backup Center

Interface

Console port (CON)

10/100M Ethernet LAN interface

10/100M Ethernet WAN interface

ADSL2+ over POTS interface

AR 18-21

1

4 (Layer 2)

1

-

AR 18-22

1

4 (Layer 2)

2

-

AR 18-22S-8

1

8 (Layer 2)

2

-

AR 18-22-24

1

24(Layer 2)

2

-

AR 18-21A

1

4 (Layer 2)

1

1

Processor

MPC8247

MPC8248

BCM

MPC8241

SDRAM

64MB

128MB

64M

Flash

8MB

16MB

8M

Encryption chip

NONE

YES

NONE

VLAN management

Support

Max power consumption

10 W

20 W

Power supply

Input

Rated voltage range: 100 VAC to 240 VAC; 50 Hz or 60 Hz

Max voltage range: 90 VAC to 264 VAC; 50 Hz or 60 Hz

Current: 0.5 A to 1 A

Rated voltage range: 100 VAC to 240 VAC; 50 Hz or 60 Hz

Max voltage range: 90 VAC to 264 VAC; 50 Hz or 60 Hz

Output

Voltage: 12 VDC

Current: 4 A

Physical dimensions (H x W x D)

180 x 300 x 45 mm

225 x 300 x 42 mm

80 x 300 x 45 mm

205 mm X 435 mm X 42 mm

Weight

1 kg (2.2 lb)

2.1kg(4.6lb)

1 kg (2.2 lb)

3.0kg (6.6 lb)

Operating temperature

0C to 40C (32F to 104F)

Relative humidity (noncondensing)

5% to 90%