1-4
Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
OL-23778-01
Chapter 1 Introduction
Hardware Description
Figure 1-2 Cisco ASR 901 Router Ethernet Version Front View

Cisco ASR 901 Router Rear View

Figure 1-3 shows the rear view of the Cisco ASR 901 router including the orientation of the following
components:
Two blowing fans
Mounting point for the 2-hole lug. For more information, see the Connecting the Chassis Ground
and Power, page 3-5
Figure 1-3 Cisco ASR 901 Router—Rear View
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 Power Connector
6Console Port
SYSTEM
CONSOLE
BITS
1 PPS
MGMNT
TOD
10 MHz
ALARM
B
A
+
-
+
-
24V - 60V
3A
COMBO SFP
NG-MRW-E
GE
USB
3
2
1
6
7
8
5
4
10 9
300097
11
1Fan
2Grounding Point Lug
282342
2
1