Ac Power Specifications; Fan Tray - Cisco ASR 903 Installation Manual

Cisco ASR 903 router Features
Table 1-2
Maximum input voltage
Output voltage
Wire gauge for DC input power connections
Power dissipation

AC Power Specifications

Table 1-3
Part number
Input power specification
Input voltage
Minimum input voltage
Maximum input voltage
Minimum output voltage
Maximum output voltage
Power dissipation

Fan Tray

The fan tray modules supported on the router are:
•
•
The fan tray has the following hardware features:
•
•
•
•
•
For more information about air flow guidelines, see
how to install the fan tray, see
tray, see
Cisco ASR 903 Router Hardware Installation Guide
1-6
B E TA D R A F T - C I S C O C O N F I D E N T I A L
DC Power Supply Specifications
AC Power Supply Specifications
A903-FAN, Figure 1-4
A903-FAN-E, Figure 1-5
It provides side-to-side forced air cooling
It provides redundant fans
It is field replaceable
It contains status LEDs
It contains an alarm port with four external alarm inputs
Installing the Fan Tray, page
"LED Summary" section on page 5-8
Chapter 1 Cisco ASR 903 router Overview
-72 VDC
+12 VDC
12 AWG minimum for -48/-60 VDC.
8 AWG minimum for 24 VDC.
Connector accepts 8 AWG maximum.
600 W
A900-PWR550-A
115VAC/ 230VAC
85/264 VAC
85 VAC
264 VAC
12V
12.4V
600 W
Air Flow Guidelines, page
3-10. For a summary of the LEDs on the fan
2-11. For instructions on
OL-25178-03