Figure 13: Front View Of The 15-Way Gpio Connector On The Rf Unit (2012 Only) - Codan NGT 2010 RF Technical & Service Manual

NGT—Overview and specifications
Pinouts of the 15-way GPIO connector on the RF unit (2012 only)

Figure 13: Front view of the 15-way GPIO connector on the RF unit (2012 only)

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Table 11: Pinouts of the 15-way GPIO connector on the RF unit (2012 only)
Pin no. Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NOTE
48
15
8
RTS
RS232 Receive data
RS232 Transmit data
Ground
Tx audio (10 kΩ balanced)
External alarm relay contact
(NO or NC depending on
jumper P10)
External alarm relay
common, or 600 Ω balanced
audio
A rail protected
CTS
PTT
Morse
Busy
Quiet (Q) line
System audio unbalanced, or
600 Ω balanced audio
Tx audio (10 kΩ balanced)
The 600 Ω output option is selected by internal links (pins 7 and 14).
Input/output Signal level
Output RS232
Input RS232
Output RS232
0 V
Input 300 mV p–p ALC threshold
Contacts rated 50 V, 1 A
Output Contacts rated at 5 V, 1 A, or
600 Ω audio output
Output +13.6 V nominal
Input RS232
Input 5 V TTL logic active low
Input 5 V TTL logic active low
Output 5 V TTL logic
Input 5 V TTL logic active high
when Fax/Data mode
selected
5 V TTL logic active low
when all other modes
selected
100 Ω audio output 1 V p–p,
Output
or 600 Ω balanced audio
output
Input 300 mV p–p ALC threshold
NGT Transceiver System Technical Service Manual