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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-04
Chapter 1 Cisco ASR 903 Router Overview
Cisco ASR 903 Router Features
Network Timing Interfaces
The RSP supports the following network timing interfaces:
• BITS input/output port—RJ48 jack
• 1 PPS input and output—Mini coax connectors
• 2.048 or 10 MHz input and output—Mini coax connectors
• Time of Day (ToD) or 1 PPS input or output port—Shielded RJ45 jack
Network timing interfaces support redundancy in a redundant RSP configuration. Network timing
interfaces on a redundant RSP remain in operation while the RSP is in hot standby mode.
RSP Interfaces
Figure 1-3 summarizes the interfaces on the RSP module.
Figure 1-3 RSP Interfaces Summary
For more information about installing the RSP, see RSP Installation, page 3-10. For more information
about the RSP LEDs, see RSP LEDs, page 5-7.
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
RUDY RSP
MEM TOD BITS MGMT
ENET
1PPS
IN
1PPS
OUT
1OMHZ
OUT
1OMHZ
IN
CONSOLE
SYNC
ACT
PWR
STAT
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