GRASS VALLEY XCU, User Manual

Page: 53 / 62

XCU eXchangeable Control Unit User’s Guide (v1.6) 53
Chapter 6 - Connectors and signals
6.2.8 Signalling connector
6.2.9 Intercom connector
Pin Description
1 Preview output ext. (relay
contact < 10

)
2 Call output ext. (relay contact
< 10

)
3 ISO input ext. (dry contact)
4 On Air input ext. (dry contact)
5 Call input ext. (dry contact)
6 Audio 1 level (analog input
voltage from 0 to 5 V)
7 5 V (Operating Control Panel)
1
15
Microphone impedance >200

sensitivity range: -70 to -28 dBm

Signal at pin 2 of audio input is in phase with signal at pin 2 of the audio output.

Shield of cable to the pin marked housing.
SubD 15-pin male
connector
Pin Description
8 Housing
9 Preview output ext. return
10 Call output ext. return
11 ISO input ext. return
12 On Air input ext. return
13 Call input ext. return
14 Audio 2 level (analog input
voltage from 0 to 5 V)
15 GND
Pin Description
1 Prod out (4-wire out, 2-wire
in/out)
2 Prod in (4-wire only)
3 Prod in shield (4-wire only)
4 Eng in (4-wire only)
5 Eng out (4-wire out, 2-wire in/
out)
6 Prog in (4-wire only)
7 Prog in shield (4-wire only)
8 Housing
1
15
Shield of cable to the pin marked housing.
SubD 15-pin female
connector
Pin Description
9 Prod out return (4-wire out, 2-
wire in/out)
10 Prod in return (4-wire only)
11 Eng in shield (4-wire only)
12 Eng in return (4-wire only)
13 Eng out return (4-wire out, 2-
wire in/out)
14 Prog in return (4-wire only)
15 Housing