Specifications

LBI-39101
30
diagram. Figure 11 shows the rear panel and serves as a
guide to the desired table(s).
Table 12 – CEC/IMC Audio Lines
(female DB-25 labeled "LINES 1-4")
PIN NAME USE *
1 LINE_1_IN+
Line 1
2 LINE_1_IN-
balanced input
3 no connection
4 LINE_2_IN+
Line 2
5 LINE_2_IN-
balanced input
6 no connection
7 LINE_3_IN+
Line 3
8 LINE_3_IN-
balanced input
9 no connection
10 LINE_4_IN+
Line 4
11 LINE_4_IN-
balanced input
12 no connection
13 no connection
14 LINE_1_OUT+
Line 1
15 LINE_1_OUT-
balanced output
16 no connection
17 LINE_2_OUT+
Line 2
18 LINE_2_OUT-
balanced output
19 no connection
20 LINE_3_OUT+
Line 3
21 LINE_3_OUT-
balanced output
22 no connection
23 LINE_4_OUT+
Line 4
24 LINE_4_OUT-
balanced output
25 no connection
* With respect to the Enhanced Audio Enclosure. For example,
pins 1 and 2 are Enhanced Audio Enclosure line inputs; audio
signals on these inputs originate from the CEC's/IMC's CIM
line outputs. Also see Figure 5.
Table 13 – Call Director
(female DB-9 labeled "CALL DIR")
PIN NAME USE
1 ON_HOOK_NO
output;
see pin 6 and Table 8
2 CD_HOOK_SENSE_IN
3 CD_JACK_SENSE_IN inputs; see Table 8
4 PS_GND_IN
5 CALL_DIRECTOR_IN- ½ CD bal. line input
6 ON_HOOK_COMMON common for pin 1
7 CALL_DIRECTOR_OUT+
CD balanced
8 CALL_DIRECTOR_OUT-
line ouput
9 CALL_DIRECTOR_IN+ ½ CD bal. line input
Table 14 – Boom/Gooseneck Microphone
(female DB-9 labeled "B/G MIC")
PIN
NAME
USE
1
AGND
mic audio shield
2*
PS_GND_IN
ground for pin 3
3*
B/G_MIC_SENSE_IN
mic connected/not
connected sense input
4
PS_GND_IN
ground for pin 6
5
B/G_MIC_IN_GND
mic audio ground
for pin 9
6
B/G_PTT_IN
PTT input; see pin 4
7
no connection
8
no connection
9
B/G_MIC_IN
mic audio input;
see pin 5 and Table 6
* Jumper pins 2 and 3 on mating connector.