Clear-com FOR-22 User Manual download pdf (Page 11)

Vitec Group Communications

FOR-22 Dual 4-Wire Interface Instruction Manual

2-3

Figure 2-2: IMF-102 Interface Frame Rear Panel

For more information on the IMF-102 interface frame, refer to the

Interface Module Frames Instruction Manual in the Eclipse manual set

(part no. 810313Z).

INSTALLING THE FOR-22 IN AN INTERFACE

FRAME

IMF-3 INTERFACE FRAME

This section describes how to install an FOR-22 unit in an IMF-3

frame. There are certain options available on the FOR-22 that can be

changed before installation. The audio output level can be set to

different ranges depending on the type of input is being driven. The

input of a channel can have a bridged pad added to allow higher input

levels.

To install the FOR-22 interface module in the IMF-3 interface frame:

1. Select a slot to install the interface in.

2. Remove the blank plate covering the slot.

3. Set any necessary Audio Output Level Jumpers.

4. Set any necessary Audio Input Level modifications.

5. Slide the FOR-22 in the slot and ensure that the card is fully seated.

6. Tighten the FOR-22's front panel mounting screws.

IMF-102 INTERFACE FRAME

The IMF-102 interface frame contains two slots for installing interfaces.

Interfaces are installed horizontally in one rack unit (1 RU) of a

standard Electronics Industry Association equipment rack.

You install the FOR-22 interface in an IMF-102 interface frame as you

would install an interface in an IMF-3 interface frame.

AUDIO OUTPUT LEVEL JUMPER

The audio output is transformer isolated. There is a jumper field for

each channel that allows three basic operating levels depending on

what type of external input is being driven. The following levels can be

produced by each channel:

• Line level ------------------------- 0.0 dBu at 600 ohms

• Clear-Com IFB level ------------ -15 dBu at 200 ohms

CH.A

Marix

CH.A

I/O

CH.B

Matrix

CH.B

I/O

CH.A

Marix

CH.A

I/O

CH.B

Matrix

CH.B

I/O

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Clear-com FOR-22 User Manual Page 11

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