Pin Out Connections - Motorola DCS StarTac Service Manual

DCS 1800 StarTAC CELLULAR TELEPHONE
Data B-
Figure 1: Main Battery Contacts
The J3 Butt Plug connector has pin outs as listed below. Note that the pin numbering is from right to left as viewed
from the front of the phone; see above figure.
1- RF Ground
2- RF In/Out
3- RF Ground
4- Battery Feedback
5- Manual Test Line
6- RS232 Tx (Charger & External comms)
7- RS232 Rx (Charger & External comms)
8- Audio In
18
StarTAC
B+ Thermistor
Figure 3: J3 Pin Out
15 1
9- Audio Out / On-Off
10- Battery Ground
11- Uplink
12- Downlink
13- DSC _EN_B
14- External B+
15- Ground
68P09304A85
B- Data Thermistor B+
Figure 2: Auxiliary Battery Contacts
ETrbl5
19/07/97