Figure 56: Front View Of The 19-Way Gpio Connector (2110 Only); Table 44: Pinouts Of The 19-Way Gpio Connector (2110 Only) - Codan 2110 series Reference Manual

Connectors
Pinouts of the 19-way GPIO connector (2110 only)
The 19-way connector provides an interface for an automatic antenna tuner, modem,
crosspatch, telephone interconnect, morse key, external speaker and battery charger.

Figure 56: Front view of the 19-way GPIO connector (2110 only)

Table 44:
Pin no. Function
A
B
C
D
E
F
G
H
J
K
L
M
N
P
354
Pinouts of the 19-way GPIO connector (2110 only)
Line audio
Line audio
Morse
RS232 Tx data
RS232 Rx data
PTT
Power and signal ground
Speaker (+) audio bridging
Protected, switched supply
from battery
Speaker (–) audio paired with
J
Power in for charging battery Input
Antenna control
Input/output Signal level
Input 300 mV p–p (ALC threshold)
I/P approx. 50 k bridging
Output 1 V p–p (20 dB above AGC)
600  load maximum
Input Active low
Output RS232
Input RS232
Input Active low
0 V DC
1 W into 4 
Output
Output 12 V DC nominal
10 to 15 V DC range
1 A maximum
1 W into 4 
Output
15.5 V DC approx.
1 A maximum, current
limiting
Input 3.3 V DC logic
5 V DC maximum
Input/output 3.3 V DC logic
5 V DC maximum
Manpack Transceiver 2110 series Reference Manual