Specifications
LBI-39101
33
Table 19 – Unselect Speakers –Three Total
(male DB-9 labeled "UNSEL SPKRx"*)
PIN NAME USE
1
UNSELECT_SPEAKER_
x_OUT
high-impedance
speaker audio output
2
USEL_SPEAKER_
x_OUT_ GND
ground for pin 1
3 no connection
4 +12V
speaker amp 12 Vdc
5 +12V
power; see pins 7 & 8
6 no connection
7 PS_GND_IN
speaker amp
8 PS_GND_IN
power grounds
9 no connection
*"x" = unselect speaker number (1, 2 or 3)
Table 20 – Operator Footswitch
(female DB-9 labeled "OPER FT. SW.")
PIN NAME USE
1 no connection
2 PS_GND_IN ground for pins 4 & 6
3 no connection
4 MONITOR_PTT_IN
monitor PTT (enable)
input; see pin 2
5 no connection
6 B/G_PTT_IN
B/G PTT input;
see pin 2
7 no connection
8 no connection
9 no connection
Table 21 – Supervisor Footswitch
(female DB-9 labeled "SUPER FT. SW.")
PIN NAME USE
1 no connection
2 PS_GND_IN ground for pins 4 & 6
3 no connection
4 MONITOR_PTT_IN
monitor PTT (enable)
input; see pin 2
5 no connection
6 SUPER_PTT_IN
Supervisor PTT
input; see pin 2
7 no connection
8 no connection
9 no connection
Table 22 – Optional RS-422 Input/Output
(female DB-9 labeled "I/O")
PIN NAME USE
1 no connection
2 no connection
3 no connection
4 TX_RS485_DATA_OUT+ ½ serial data output
5 RX_RS485_DATA_IN+ ½ serial data input
6 no connection
7 no connection
8 TX_RS485_DATA_OUT- ½ serial data output
9 RX_RS485_DATA_IN- ½ serial data input