Figure 5 - Udc Pin-Out - Ericsson GE LBI-38378C Maintenance Manual

LBI-38378
PIN
1 GROUND
3 UDC RX AUDIO
4 SWBATT
5 EXT PTT
6 TX DATA
7 RX DATA
8 SPARE
9 UDC VOLT
10 T/R
11 UDC MUTE
12 EXT MIC HI
13 EXT EMER
34 UDC DISCR
10
TABLE 2 - UDC PIN FUNCTIONS
NAME

Figure 5 - UDC Pin-Out

INPUT OR
OUTPUT
-------
Output
Output
Input
Input
Output
-------
Output
Output
Input
Input
Output
USE
Case Ground
Test Point For Speaker Audio
Switched Accessory Power
External Microphone PTT Input
For Programming
For Programming
Option/Accessory Sense Pin
Low = Transmit, High = Receive
Low = Audio Muted
External Microphone Audio Input
Lanyard Connection
Test Point For RX Audio