Ports

The GPI and tally ports are located on the 1RU Audio Breakout Unit.



GPI Port

The switcher supports 24 GPI I/Os on a female DB25 port.



Note: The GPI port are located on the first 1RU Audio Breakout Unit (ABM 1). The GPI ports on the remaining 1RU Audio Breakout Units are not available for use.
Table 1. GPI I/O Pinouts
Pin Signal
1 GPI I/O 1
2 GPI I/O 2
3 GPI I/O 3
4 GPI I/O 4
5 GPI I/O 5
6 GPI I/O 6
7 GPI I/O 7
8 GPI I/O 8
9 GPI I/O 9
10 GPI I/O 10
11 GPI I/O 11
12 GPI I/O 12
13 GPI I/O 13
14 GPI I/O 14
15 GPI I/O 15
16 GPI I/O 16
17 GPI I/O 17
18 GPI I/O 18
19 GPI I/O 19
20 GPI I/O 20
21 GPI I/O 21
22 GPI I/O 22
23 GPI I/O 23
24 GPI I/O 24
25 Ground

Tally Port

The switcher supports 16 fixed tallies on a female DB25 port.



Note: The Tally port is located on the first 1RU Audio Breakout Unit (ABM 1). The Tally ports on the remaining 1RU Audio Breakout Units are not available for use.
Table 2. Tally Rating
Specification Value
Input Voltage 24VAC(rms)/40VDC
Maximum Current 120mA
Impedance <15 ohm
Table 3. Tally Pinouts
Pin Tally #
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 Common
18 Common
19 Common
20 Common
21 Common
22 Common
23 Common
24 Common
25 Common