NPT-1020 Installation and Maintenance Manual
Connection Data
ECI Telecom Ltd. Proprietary
8-30
Pin
Name
Function
Direction
Wire color
4
RB2
Channel 2, Rx, wire B
Input
Red/Black
5
RA3
Channel 3, Rx, wire A
Input
Orange
6
RB3
Channel 3, Rx, wire B
Input
Orange/Black
7
RA4
Channel 4, Rx, wire A
Input
Yellow
8
RB4
Channel 4, Rx, wire B
Input
Yellow/Black
9-18
---
Not connected
---
---
19
TA1
Channel 1, Tx, wire A
Output
Brown/White
20
TB1
Channel 1, Tx, wire B
Output
Red/White
21
TA2
Channel 2, Tx, wire A
Output
Orange/White
22
TB2
Channel 2, Tx, wire B
Output
Yellow/White
23
TA3
Channel 3, Tx, wire A
Output
Green/White
24
TB3
Channel 3, Tx, wire B
Output
Blue/White
25
TA4
Channel 4, Tx, wire A
Output
Violet/White
26
TB4
Channel 4, Tx, wire B
Output
Light Gray/White
27-36
---
Not connected
---
---
N
OTE
: Only 8 of 18 pairs of wires are used for SM_CODIR_4E interfaces.
8.13.6
Connection Data for SM_OMNI_E Interfaces
The SM_OMNI_E supports four 2W/4W channels, each with one pair of wires in 2W mode or two pairs of
wires in 4W mode. The following table lists the pin assignment for a typical connector and the color of the
wire connected to the corresponding pin in the cables offered by ECI for connecting the tributary connector
and a distribution frame.
Table
8-18: SM_10E/EM_10E SM_OMNI_E connector, pin assignment
Pin
Name Mode Function
Direction
Wire color
1
RA1
4 W
Channel 1, Rx, wire A
Output
Brown
2 W
Channel 1, wire A
Bidirectional
2
RB1
4 W
Channel 1, Rx, wire B
Output
Brown/Black
2 W
Channel 1, wire B
Bidirectional
3
RA2
4 W
Channel 2, Rx, wire A
Output
Red
2 W
Channel 2, wire A
Bidirectional
4
RB2
4 W
Channel 2, Rx, wire B
Output
Red/Black
2 W
Channel 2, wire B
Bidirectional