Cisco VCO/4K Mechanical Assemblies page 85

NOTE 1
Jumper settings for JP1 through JP8 are as follows:
Pin 1 and 2
Pin 2 and 3
jumper removed Allows ring to float
The default jumper settings are pins 1 and 2.
Figure 20 shows the wiring plan for the BNC I/O module for the Four Span E1 card.
DIN
Figure 20: Wiring for BNC I/O Module (Four Span E1)
Ties ring to DC ground
Ties ring to AC ground
Span 1
.
TX1
.
RX1
P1
.
TX3
.
RX3
Span 3
BNC I/O Module
Span 2
.
TX2
.
RX2
.
TX4
.
RX4
Span 4
I/O Modules 1-25