Tally Port
The switcher supports 24 fixed tallies on each female DB25 connector. Each tally is fully configurable.

| Specification | Value | 
|---|---|
| Input Voltage | 24VAC(rms)/40VDC | 
| Maximum Current | 120mA | 
| Impedance | <15 ohm | 
| 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 | 17 | 
| 18 | 18 | 
| 19 | 19 | 
| 20 | 20 | 
| 21 | 21 | 
| 22 | 22 | 
| 23 | 23 | 
| 24 | 24 | 
| 25 | Common | 
