1-11
Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter1 Cisco ASR 903 router Overview
CiscoASR 903 router Features
Figure1-6 RSP Interfaces Summary
For more information about installing the RSP, see “RSP Installation” section on page3-13. For more
information about the RSP LEDs, see “RSP LEDs” section on page 5-8.
Interface Modules
In addition to the ports provided on an RSP, the CiscoASR 903 router supports the following interface
modules:
Gigabit Ethernet SFP Interface Module, page1-12
Gigabit Ethernet RJ45 Interface Module, page1-13
10 Gigabit Ethernet XFP Interface Module, page1-14
T1/E1 Interface Module, page1-16
OC-3 Interface Module, page 1-16
Note For information about supported interface modules, see the Release Notes for the Cisco ASR 903 Series
Aggregation Services Router.
The Cisco ASR 903 router interface modules are a field-replaceable units.
Label Interface
1 USB memory port
2 USB console port
3 Console port
4 1 PPS input timing port
5 1 PPS output timing port
6 10 MHz input timing port
7 10 MHz output timing port
8 Time of Day (ToD) timing port
9 BITS timing port
10 Ethernet management port
MEM TOD BITS MGMT
ENET
1PPS
IN
1PPS
OUT
1OMHZ
OUT
1OMHZ
IN
CONSOLE
SYNC
ACT
PWR
STAT
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