Installation guide
SV-COM-C25 Installation, Configuration, and Testing   
16-8    SkyView System Installation Guide - Revision R 
SV-COM-425 – Pinout (Male D15) 
Pin 
Function 
Notes 
1 
MICROPHONE IN 
SV-INTERCOM-2S Pin 25 
2 
MICROPHONE / PTT 
GROUND 
See diagram below. 
3 
SV-COM-PANEL 
ENABLE 
To SV-COM-PANEL Pin 6 
4 
GROUND OUT 
Do not connect 
5 
PTT IN 
SV-INTERCOM-2S Pin 12 
or 
Push Button Normally Open (PBNO) 
to Ground (Pins 4, 11, or 15) 
6 
DATA TX to SV-COM-
PANEL 
To SV-COM-PANEL Pin 4 
7 
SV-COM-PANEL 
POWER 
To SV-COM-PANEL Pin 1 
8 
POWER IN 
10-30V DC @ 5A 
9 
PHONES GROUND 
SV-COM-425 Pin 2 
SV-INTERCOM-2S Pin 1 
Shielded Cable – shield of Pin 10 
10 
PHONES OUT 
SV-INTERCOM-2S Pin 14 
Shielded Cable – center conductor of 
Pin 10 
11 
GROUND OUT 
Do not connect 
12 
GROUND IN 
Connect to Ground Bus 
13 
SV-COM-PANEL 
GROUND 
SV-COM-PANEL Pin 2 
14 
DATA RX from SV-
COM-PANEL 
SV-COM-PANEL Pin 5 
15 
GROUND OUT 
Do not connect 
Table 54 - SV-COM-PANEL Male D15 Pinout 
The following figure depicts how a single SV-COM-C25 is connected to an SV-INTERCOM-2S. 










