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Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
OL-23778-01
Chapter 1 Introduction
Hardware Description
Figure 1-1 Cisco ASR 901 Router—Front View

Cisco ASR 901 Router Ethernet Version Front View

Figure 1-2 shows the front view of the Cisco ASR 901 router with each interface module.
The front panel of the Cisco ASR 901 router, ethernet version has the following components:
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
Ethernet ports
SFP ports
Chassis: Single LED for multiple conditions
282341
SYSTEM
CONSOLE
BITS
1 PPS
MGMNT
TOD
10 MHz
T1/E1 ALARM
B
A
+
-
+
-
24V - 60V
3A
COMBO SFP
NG-MRW
GE

3

12

2
1

11

6

7

8

10 9

5

4

1ToD Port 7BITS Port
2Management Port 8MINI-Coax Connector (1PPS)
3Power LED 9MINI-Coax Connector (10MHZ)
48 SFP Ports 10 Alarm
58 GE Ports 11 16 T1/E1 Ports
6Console Port 12 Power Connector