Huawei Quidway AR 28 Series User Manual

Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications
Huawei Technologies Proprietary
2-18
Item Description
Operation temperature
0°C to 40°C (32°F to 104°F)
Relative humidity
(noncondensing)
5% to 90%
 Note:
SDRAM (synchronous dynamic random-access memory): As the primary memory,
stores data for communication with CPU during system operation.
Flash memory: As the primary file storage media, stores application programs,
anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
2.7 Differences between AR 28 Series Routers
Table 2-15 Differences between AR 28 Series Routers
Model
Fixed LAN
interface
Fixed WAN interface SIC slot MIM slot
AR 28-09 1
1 (synchronous/
asynchronous serial
interface)
2 1
AR 28-10 1
1 (synchronous/
asynchronous serial
interface)
2 1
AR 28-11 2
1 (synchronous/
asynchronous serial
interface)
2 1
AR 28-12 2
2 (synchronous/
asynchronous serial
interface)
2 1
AR 28-13 2 1 (CE1/PRI interface) 2 1
AR 28-14 2 1(CT1/PRI interface) 2 1
AR 28-30 1 0 0 3
AR 28-31 2 0 0 3
AR 28-40 0 0 0 4
AR 28-80 0 0 0 8

Huawei Quidway AR 28 Series Specifications

General

Brand	Huawei
Model	Quidway AR 28 Series
Category	Network Router
Language	English