Ericsson LBI-39101A manual Name

LBI-39101 ENHANCED AUDIO ENCLOSURE CONNECTOR PIN-OUTS

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

Table 23 – Personal Computer RS-232 Input/Output

(female DB-9 labeled "PC")

PIN	NAME	USE
1	no connection
2	TX_PC_DATA_OUT	serial data output
3	RX_PC_DATA_IN	serial data input
4	no connection
5	PS_GND_IN	ground for pins 2, 3 & 8
6	no connection
7	no connection
8	POWER_STATUS_OUT	power-up status output
9	no connection
Table 24 – Dispatch Keyboard Serial Input/Output
	(female DB-9 labeled "KBD")
PIN	NAME	USE
1	+5V_KB_OUT	keyboard dc power
		output
2	RX_KEYBOARD_	serial data input
	DATA_IN	(data from keyboard)
3	TX_KEYBOARD_	serial data output
	DATA_OUT	(not used)
4	PS_GND_IN	ground for pins 1, 2 & 3
5	no connection
6	no connection
7	no connection
8	no connection
9	no connection

* See Table 9 for wire color coding.

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