LBI-39101

INTERCONNECTING THE EQUIPMENT

Table 7 Enhanced Audio Enclosure-To-CEC/IMC Call Director Audio Signal Descriptions

TYPE

 

INPUT /

 

 

USE

 

OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Patched Radio

 

Input

 

Radio audio from CIM TX channel/line 4. During a CD telephone patch, this audio is heard

 

 

 

 

 

 

 

at the telephone.

 

 

 

 

 

 

 

CD/Operator Mic

 

Output

 

Telephone/operator mic audio to CIM RX channel/line 4. This audio is heard at the radio.

 

 

 

 

 

 

 

 

Table 8 Enhanced Audio Enclosure-To-Call Director Control & Audio Signal Descriptions

 

 

 

 

 

NAME

 

INPUT /

USE

 

OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON-HOOK N.O.

 

 

 

 

Optional – Normally-open relay contact (Form-A). Closure generated when the

 

 

 

 

console disconnects the CD from the CEC/IMC. Used to put CD on-hook, if an input

(pin 1) and

 

 

 

 

 

 

 

Output

exists. The relay remains energized for approximately 1.2 seconds. This value is

ON-HOOK COMMON

 

 

fixed in the firmware and cannot be changed. Relay contact rating:

(pin 6)

 

 

 

 

 

 

 

 

 

 

0.75 A @ 26 Vdc, 500 Vrms isolation from ground @ 60 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

CD HOOK SENSE IN

 

Input

Active low when the CD is placed off-hook. Typically connects to a dry contact

(pin 2) *

 

 

(SPST switch, Form-A relay, etc.) from Call Director.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Optional – Active low when a handset is plugged into the CD. This handset overrides

CD JACK SENSE IN

 

Input

all audio connections to the Enhanced Audio Enclosure. The operator talks directly

(pin 3) *

 

 

to the phone via the handset instead of using the console’s headset or mic/speaker.

 

 

 

 

 

 

 

 

 

 

 

 

Typically connects to a dry contact from Call Director.

 

 

 

 

 

GROUND (pin 4) *

 

n/a

 

Signal ground for CD HOOK SENSE IN and CD JACK SENSE IN sense inputs.

 

 

 

 

 

 

 

 

CD IN

 

 

 

 

 

Audio from the CD (telephone mic). This audio is heard by a radio in patch

 

 

Input

operation, or by operator headset in normal operation. 600-ohm balanced input:

(pins 5 and 9)

 

 

 

 

 

 

 

 

 

 

-26 dBm to -14 dBm, typically -20 dBm.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CD OUT

 

 

 

 

 

Radio/operator mic audio to the CD (telephone receiver). This audio is heard by the

 

 

Output

telephone. 600-ohm balanced output:

( pins 7 and 8)

 

 

 

 

 

 

 

 

 

 

-11 dBm to +1 dBm, typically -5 dBm.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*GROUND (pin 4) is common for CD HOOK SENSE IN (pin 2) and CD JACK SENSE IN (pin 3) This ground is not isolated from chassis ground.

CALL

DIR

CD HOOK SENSE IN

CD JACK SENSE IN

GROUND

NOTE:

1.VIEWED FROM BACK OF ENHANCED AUDIO ENCLOSURE OR WIRING SIDE OF MATING CONNECTOR.

1 ON-HOOK N.O.

6 ON-HOOK COMMON

2

7

3 HI/+LO/- CD OUT

8

4

9

HI/+

CD IN

5

LO/-

 

Figure 10 Call Director Interface Connector At Enhanced Audio Enclosure

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Ericsson LBI-39101A manual Type Input USE Output, Name Input USE Output

LBI-39101A specifications

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