Cisco Systems 901 Router User Manual


 
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Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
OL-23778-01
Chapter 1 Introduction
Hardware Description
Two management ports: RS-232 serial console and 10/100 Base-T Ethernet ports
One BITS clock port (RJ45) and 1 ToD port (RJ45)
Two miniature coaxial connectors for 10Mhz and 1PPS timing (input or output). You can use these
interfaces with an external GPS device to send or receive clocking from the router.
Two LEDs for each T1/E1 port
C—indicates out of service or not configured, carrier condition, and loop condition
AL—no alarm, or alarm condition
Two LEDs for each Ethernet port
L—indicates activity, lack of activity, or no link
S—indicates speed (100 or 1000) or off
One System LED:
Solid Green—System Healthy (normal operation)
Solid RED—System Faulty
Cisco ASR 901 Router Front View
Figure 1-1 shows the front view of the Cisco ASR 901 router with each interface module.
The front panel of the Cisco ASR 901 router has the following components:
16 T1/E1 ports, labelled T1/E1 (positions 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,15 and 16)
Eight RJ-45 jacks for copper Ethernet ports, labeled “100/1000” Ethernet.
Eight SFP connectors for optical GE ports
Two miniature coaxial connectors for 10MHZ and 1PPS timing
A single RJ-45 connector for console, labeled “CONSOLE”
A single RJ-45 jack for the BITS interface, labeled “BITS”
A single RJ-45 jack for the ToD interface, labeled “ToD”
A single alarm
Two management ports
The following LEDs
T1/E1 ports
Ethernet ports
SFP ports
Chassis: Single LED for multiple conditions