The FA chassis model is provided with a single AC PSU, which can provide up to 120 W power. A
three-pin AC connector is provided on the router faceplate as shown in the following figure.
Figure 7: Cisco ASR 901S Series Aggregation Services Router
—
Bottom View (A901S-2SG-F-AH)
Cable gland interface
4
LEDs
1
AC power input (three-pin)
5
SFP ports
2
Dust caps
6
Copper port
3
For details about the power specifications, see
Table 9: Power Specifications, on page 83
.
The following table provides the list of interface ports supported on Cisco ASR 901S Series Aggregation
Services Router.
Table 3: Interface Ports Supported on the Cisco ASR 901S Series Aggregation Services Router
Description
Chassis PID
4 external SFP ports + 1 gland interface for internal ports, DC power supply
A901S-4SG-F-D
3 external SFP ports + 1 external copper (Cu) port + 1 gland interface for internal ports,
DC power supply
A901S-3SG-F-D
2 external SFP ports + 2 external Cu ports + 1 gland interface for internal ports, DC power
supply
A901S-2SG-F-D
3 external SFP ports + 1 gland interface for internal ports, AC PSU, 1 sec holdover for 1
power over Ethernet plus (POE+) port
A901S-3SG-F-AH
2 external SFP ports + 1 external Cu port + 1 gland interface for internal ports, AC PSU,
1 sec holdover for 1 POE+ port
A901S-2SG-F-AH
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
OL-29732-01
9
Introduction
Cisco ASR 901S Series Aggregation Services Router: Top and Bottom View