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_D
½ serial data output
5
RX_RS485_
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