RFL Communications 21 Sub-MUX Specifikace stáhnout pdf (Strana 174)

Page 13–8

FOCUS System Manual

Repeat Steps 6–10 for channel B.

13.5.1 E & M Signaling Test

The signaling information is sent transparently

along with the voice information on the same DS0

channel. On the P2 Signaling terminal block on

the V4W rear interface do the following:

Jumper B to M on one end for channel A, then

on channel B. This jumper may already be

installed at the factory depending on your

configuration requirements.

The E LED on the appropriate channel should

also light. A contact closure should be

detected between E & G for the appropriate

channel.

Once you have completed testing each channel,

remember either to turn off any loop backs you

executed with FCS or to disconnect any cable

loop backs.

13.6 Drawings

Schematics are available upon request.

Component location drawings are at the end of

this chapter.

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