Clear-com HX System Frames User Manual download pdf (Page 57)

A FOR-22 interface connects to an Eclipse HX matrix frame through the two RJ-45

connectors on its rear panel.

The top RJ-45 is for the first channel of the interface module. The lower RJ-45 is for the

second channel.

The user side of the FOR-22 for each channel appears on a DB-9M connector on the rear of

the IMF-3 or IMF-102 frame. Each channel is identical. The following sections describe how

to wire for the various types of inputs and outputs available on the DB-9M connector:

• External audio devices.

• Call signal input.

• Relay contacts.

Note:

Shielded CAT5 cable should be used, where possible.

External audio devices

Connect external audio devices to the FOR-22 ports through the two DB-9M connectors

labeled “I/O” on the rear panel. Both the audio input and the audio output are transformer

isolated.

Tip: For more information on the various level ranges available on the input and output, see

the FOR-22 manual.

Call Signal Input

The Call Signal input is used to receive a call/logic input signal from an external device and

send it to the matrix. The voltage across the pins required to receive a call signal ranges

from 4 - 50V; + / - AC. The input will draw between 4 and 8 mA.

Relay Contacts

Each FOR-22 interface channel features a relay that is associated with the logical call signal

output of a port. A relay’s function depends on the function assigned to the FOR-22 port

through the EHX configuration software. A relay can be assigned to operate with any label in

the system: when that label is activated (either by a talk, listen, or both, as set from the

configuration program), the relay will activate.

Tip: For more information about configuring a relay, see EHX Help.

The relay can be used to activate an external device, such as an applause light in a studio, a

cue light, or a security-door lock. The relays feature both normally open and normally

closed contacts. The contacts are rated at 1 A at 24 VDC; they are not designed for

switching mains AC line voltage.

Eclipse HX Matrix Frame Installation Guide

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Clear-com HX System Frames User Manual Page 57