B&B Electronics 3PXCC2a Especificaciones descargar pdf (Pagina 26)

AE/LZB 119 1894 R1A INTERCONNECTING THE EQUIPMENT

PAGING

WIRE SECURING SCREWS

LOCATED ON TOP

WIRE ATTACHMENT:

1. UNPLUG TERMINAL BLOCK FROM

MATING CONNECTOR.

2. IF REQUIRED, COMPLETELY

LOOSEN WIRE SECURING SCREW.

3. INSERT WIRE.

4. TIGHTEN WIRE SECURING SCREW.

5. REPEAT FOR OTHER WIRES.

6. RECONNECT TERMINAL BLOCK TO

"PAGING" MATING CONNECTOR.

PAGER AUDIO

INPUT -

PAGER AUDIO

INPUT +

PAGER PTT INPUT

GROUND

Figure 9 – Pager Inputs At Enhanced Audio Enclosure

Relay Outputs (if used)

Form-C relay contacts (single-pole double-throw) are

available from the Enhanced Audio Enclosure for external

device control. Contact connections are made at the screw-

terminal type terminal block on the rear panel labeled

RELAYS

". Even though these relays are also controlled

from the console’s dispatch keyboard, they are not the same

as and they should not be confused with the relays within the

CEC/IMC utilized for auxiliary I/O interfacing.

As shown in Table 24, the first relay (relay 1) is

activated when the console is keyed (PTTed). During the

key, the relay's common and normally-open contacts close

and its common and normally-closed contacts open. The

second relay's (relay 2) common and normally-open contacts

close while <Alt><F10> is depressed at the Dispatch

Keyboard. Like the first relay, this relay's action is

considered "momentarily" as it is only in the active state

when the <Alt><F10> keys are depressed. The third relay's

(relay 3) contacts toggle open/close at an <Alt><F9>

keystroke from the Dispatch Keyboard. The other relays are

not supported by software.

As required, connect the relay contact outputs to

external equipment. See Table 24 and Figure 10.

Specified contact rating for all relays is 0.75 amps at 26

Vdc. Open contact isolation is specified to 500 Vrms at

60 Hz. Isolation between any relay terminal and the

Enhanced Audio Enclosure's ground is also specified to

500 Vrms at 60 Hz.

RELAYS

WIRE SECURING SCREWS

LOCATED ON TOP

WIRE ATTACHMENT:

1. UNPLUG TERMINAL BLOCK FROM MATING CONNECTOR.

2. IF REQUIRED, COMPLETELY LOOSEN WIRE SECURING SCREW.

3. INSERT WIRE.

4. TIGHTEN WIRE SECURING SCREW.

5. REPEAT FOR OTHER WIRES.

6. RECONNECT TERMINAL BLOCK TO "RELAYS" MATING CONNECTOR.

RELAY OUTPUT

TERMINAL 1

RELAY OUTPUT

TERMINAL 18

(See Table 24 for terminal identifications)

Figure 10 – Relay Terminal Block At

Enhanced Audio Enclosure

Call Director (if equipped)

As shown in Figure 1, all C3 Maestro-to-Call Director

interconnections at the console are made at the Enhanced

Audio Enclosure's connector labeled "

CALL DIR

". A Call

Director telephone patch also requires an additional 4-wire

balanced line between the Enhanced Audio Enclosure and

the console’s CIM Audio Board within the CEC/IMC. At

the CEC/IMC, CIM audio channel/line four (4) is used for

Call Director interfacing. CD control data interfacing is

handled over the existing RS-232/RS-422 serial control data

interface between the PC and the CEC/IMC. Therefore, no

additional control data link must be added to support Call

Director patch equipment. Refer to Figures 1, 6, 7 and 11 for

interconnection details and the following discussion on

CEC/IMC line audio line requirements.

Console-to-CEC/IMC Audio Interconnections

All CEC/IMC line audio in to and out of a C3 Maestro

dispatch console system enters and leaves via the DB-25

connector labeled "

LINES 1 - 4

" on the Enhanced Audio

Enclosure's rear panel. If the console is connected to a Call

Director, Line 4 between the Enhanced Audio Enclosure and

the CEC/IMC must be established for CD audio routing

between the console and the CEC/IMC. In this case, the

third unselect speaker audio is not available.

Table 9 describes the audio signals between the

Enhanced Audio Enclosure and the CIM within the

CEC/IMC. The descriptions are relative to the Enhanced

Audio Enclosure. All signals on these 600-ohm pairs have

typical levels between -5 dBm to 0 dBm.

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 47 48

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