Connections; Input/Output Rear Connector - Midland 70-3350 User Manual

13 C
ONNECTIONS

13.1 Input/Output rear connector

The following table outlines the connections from the rear Input/Output (DB25) connector:
N. Signal name
AUX OUT
1
-
2
EXT SPEAKER
3
FLAT UN-SQ RX AUDIO
4
DE-EMPH-SQ RX AUDIO
5
RX MUTE INPUT
6
TX AF IN
7
PTT OUTPUT
8
9 EXTERNAL PTT
10 SELCAL VALID
11 RSSI LEVEL
12 CDS SIGNAL
13 HANG UP
14 GND
15 GND
16 EXT SPEAKER +
17 Spare 2
Spare 1
18
Output 12V 100 mA max.
19
Backlight control input
20
INPUT/OUTPUT 2
21
INPUT/OUTPUT 1
22
External alarm input
23
24 Emergency switch - input
25 Ignition sense input
Faulty connections may seriously damage your radio. Before connecting any device, consult the service manual
and your CTE International technical office.
13
25
Rev. 2.0 on 1 March 2004
Notes
Not connected
Grounded
Grounded
Additional contact for special use
Additional contact for special use
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