Connectors
Manpack Transceiver 2110 series Reference Manual 365
Pinouts of the 15-way VP-116 connector on the interface adaptor
The 15-way connector may be used to interface to a VP-116 Voice Privacy Unit.
Figure 66: Front view of the 15-way VP-116 connector on the interface adaptor
Table 52: Pinouts of the 15-way VP-116 connector on the interface adaptor
Pin no. Function Input/output Signal level
1 A rail protected Output +13.6 V nominal
2 A rail protected Output +13.6 V nominal
3 Rx audio (encrypted) Output Approx. 500 mV p–p
(loaded)
4 Rx audio (clear) (600
balanced)
Input Approx. 500 mV p–p
(loaded)
5 Tx audio (encrypted) (600
balanced)
Input Approx. 500 mV p–p
(loaded)
6 Tx audio (clear) Output Approx. 500 mV p–p
(loaded)
7 Not connected
8 Private Select Active low
9 Ground 0 V
10 RS232 Rx data Input RS232
11 Rx audio ground 0 V
12 RS232 Tx data Output RS232
13 Tx audio ground 0 V
14 PTT Input 5 V logic active low
15 PTT Output Active low
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