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Quidway AR 28 Series Routers Installation Manual
Chapter 2 System Specifications
Huawei Technologies Proprietary
2-11
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.
2.4 AR 28-30/28-31
2.4.1 Appearance
1) Power LED (POWER)
2) System LED (SYSTEM)
3) AUX interface (AUX)
4) Console port (CON)
5) SLOT 1 through 3 LEDs (READY/ACTIVE)
6) LAN LED (READY/ACTIVE)
Figure 2-11
Front view of the AR 28-30/28-31
1) Power switch
2) Power socket
3) Grounding screw
4) Fixed LAN interface (10Base-T/100Base-Tx)
5) MIM SLOT1
6) MIM SLOT2
7) MIM SLOT3
Figure 2-12
Rear view of the AR 28-30