8
4.4
D25 connector
The main and antenna connectors are recessed into the base of the phone cradle.
The D25 connector contains all required I/O connections to charge the satellite phone and access the serial
port and audio connection.
Cradle main connector (D25 male) part number -
Multicomp 8FTM25P-30N1-FEC (or equivalent)
Mating connector (D25 female) part number -
Multicomp 5502-25SA-01-F1 (or equivalent)
Connector pinouts:
Pin
Function
Input to/output from
phone cradle
Notes
1
Do not connect
2
Do not connect
3
Do not connect
4
Do not connect
5
RI
Output
6
Power -
Input
7
GND
Signal GND
8
Data RX
Output
9
DTR
Input
Flow control
10
RTS
Input
Flow control
11
GND GPO
Output
12
MIC +
Input
13
SPK +
Output
14
Do not connect
15
Do not connect
16
DCD
Output
RS232 flow control
17
Do not connect
18
DSR
Output
RS232 flow control
19
PWR +
Input
20
GND DATA
21
SAT TX
Input
22
CTS
Output
23
GPO
General Purpose Output;
this is used as an output in
custom applications of the
phone cradle.
24
MIC
Input
25
SPK -
Output
Shell
Chassis ground
