Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications
Huawei Technologies Proprietary
2-13
2.4.3 System Description
Table 2-10 System description of the AR 28-30/28-31
Item AR 28-30 AR 28-31
Fixed interface
1 AUX port
1 console port
1 LAN (Ethernet) interface
1 AUX port
1 console port
2 LAN (Ethernet)
interfaces
Slot 3 MIM slots
Processor MPC8245 300 MHz
Boot ROM 512 KB
SDRAM
Default: 128 MB
Max.: 256 MB
Flash 32 MB
Physical dimensions (H x
W x D)
44.4 x 442 x 413 mm (1.7 x 17.4 x 12.4 in.)
Weight 8 kg (17.6 lb)
Input
voltage
AC
Rated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 85 VAC to 270 VAC; 47 Hz to 63
Hz
Max. power 80 W
Operating temperature
0°C to 40°C (32°F to 104°F)
Relative humidity
(noncondensing)
5% to 90%
Note:
SDRAM (synchronous dynamic random-access memory) functions as the primary
memory.
Flash memory: As the primary file storage media, stores application programs,
anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.