E And M Interface Module Pinouts; Management Ethernet Port Pinout - Cisco ASR 903 Installation Manual

E and M Interface Module Pinouts

Note The X.21, V.35, RS-485, EIA-449, EIA-530, and IRIG-B standards are not currently supported by software.
E and M Interface Module Pinouts
Table 39: RJ45 Front End Pinout
Pin
1
2
3
4
5
6
7
8

Management Ethernet Port Pinout

A single management copper ENET port supporting 10/100/1000Base-T operation exists on each RSP. There
is no direct access to the CPU of the other RSP. It uses a standard RJ45 jack.
Note
This is not a data plane port.
The table below summarizes the Management Ethernet port pinout.
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
174
Signal Description
SIG_BA T_N48V 48V signaling
battery
M_SIG_IN Signaling input
RING_AUDIO_IN Ring, audio input
R I N G _ A U D I O _ I N _ O U T Ring, audio
input/ouput or
output
T I P _ A U D I O _ I N _ O U T Tip, audio
input/output or
output
TIP_AUDIO_IN Tip, audio input
E_SIG_OUT Signaling output
S I G _ G N D _ R E T U R N Signaling ground
return
Type 1 2 3
— SB SB
M
R
R1
T1
T
E
SG
— SG
Troubleshooting
5 Usage
—
Not used in 2-wire
mode
4-wire mode: Output
2-wire mode: InOut
Not used in 2-wire
mode
—