iPECS eMG80
System DECT Installation Guide
Issue 1.3
15
3.3.1 Pin Assignment
Table 3.3.1-1 WTIB 4
Connector
Label
PIN number
Signal name
Function
Note
RJ11
WTI1
1, 6
Unused/reserved
Cell1
2
RX+(GND)
Receive Data
3
TX-(+30V)
Transmit Data
4
TX+(+30V)
Transmit Data
5
RX-(GND)
Receive Data
WTI2
The same as the above contents
Cell2
WTI3
The same as the above contents
Cell3
WTI4
The same as the above contents
Cell4
Table 3.3.1-2 Base Station
Connector
Label
PIN number
Signal name
Function
Note
RJ11
MJ1
1, 6
Unused/reserved
2
TX+(GND)
Transmit Data
3
RX(+30V)
Receive Data
4
RX(+30V)
Receive Data
5
TX-(GND)
Transmit Data
NOTE
Using unshielded twisted-pair cable (more than CAT3), wire the Base Station RJ-11 to
the termination point/MDF for connection to a WTIB4.
Tag or number wiring for maintenance.
3.3.2 Connectors, Switch and LED Functions
The following table shows the relation between modular connector and associated cell numbers.
Table 3.3.2-1 Connector Functions
Connector
CELL Number
MJ1-1(WTIB4)
Cell 1
MJ1-2(WTIB4)
Cell 2
MJ1-3(WTIB4)
Cell 3
MJ1-4(WTIB4)
Cell 4
The 4 LEDs mounted on iPECS eMG80 WTIB4 provide diagnostic information for status of the
board. The following table shows the meaning of the different LED status indicators
