NPT-1020 Installation and Maintenance Manual
Connection Data
ECI Telecom Ltd. Proprietary
8-31
Pin
Name Mode Function
Direction
Wire color
5
RA3
Channel 3, Rx, wire A
Output
Orange
Channel 3, wire A
Bidirectional
6
RB3
4 W
Channel 3, Rx, wire B
Output
Orange/Black
2 W
Channel 3, wire B
Bidirectional
7
RA4
Channel 4, Rx, wire A
Output
Yellow
Channel 4, wire A
Bidirectional
8
RB4
4 W
Channel 4, Rx, wire B
Output
Yellow/Black
2 W
Channel 4, wire B
Bidirectional
9-18 ---
Not connected
---
---
19
TA1
4 W
Channel 1, Tx, wire A
Input
Brown/White
2 W
---
---
20
TB1
4 W
Channel 1, Tx, wire B
Input
Red/White
2 W
---
---
21
TA2
4 W
Channel 2, Tx, wire A
Input
Orange/White
2 W
---
---
22
TB2
4 W
Channel 2, Tx, wire B
Input
Yellow/White
2 W
---
---
23
TA3
4 W
Channel 3, Tx, wire A
Input
Green/White
2 W
---
---
24
TB3
4 W
Channel 3, Tx, wire B
Input
Blue/White
2 W
---
---
25
TA4
4 W
Channel 4, Tx, wire A
Input
Violet/White
2 W
---
---
26
TB4
4 W
Channel 4, Tx, wire B
Input
Light Gray/White
2 W
---
---
27-3
6
---
Not connected
---
---
N
OTE
: Only 8 of 18 pairs of wires are used for SM_OMNI_E interfaces.
