Cisco ASR 903, Installation Manual, Page: 32 / 200

Interface Label
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 11
Figure 15: Cisco A900-RSP3C-200-S Interfaces
Interface Label
GNSS module slot (optional) 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 11
For more information about installing the RSP, see Installing an RSP Module . For more information about
the RSP LEDs, see RSP LEDs .
GNSS Module (A900-CM-GNSS)
The GNSS module is present on the RSP3 modules. It is a pluggable module that allows direct interface with
the external antenna.
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
22
Overview
GNSS Module (A900-CM-GNSS)