RAD Data comm Modular Access Device with Integrated Router, E1/T1 FXO Voice Interface

FCD-IPMInstallation and Operation Manual Chapter 5 Setup Menu

Default ABCD to the T1

Select this parameter to specify signaling bits that are not in use for the on/off hook or for the polarity (if enabled). Those bits will be transmitted towards T1.

Polarity (polarity reversal, also known as Wink Start Reversal)

When polarity is configured as Enabled, the polarity signal is received from T1 either on the B bit (while the on/off hook from T1/E1 parameter is configured to

A bit or A bit inverted), or on the A bit (while the on/off hook from T1/E1 parameter is configured to B bit or B bit inverted).

FXO Voice Interface

VOICE PARAMETERS: ( Device name - FCD-IPM , I/O1 Voice)

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1.TX/RX gains

2. Coding law : [∝ LAW]

3.On/off hook from the T1 on : [A bit]

4.Ring Detection to the T1 on: [A bit]

5.	Default ABCD to the T1	: [0000]
6.	Polarity	: [Disabled]
7.	Signaling Feedback	: [Disabled]
8.	Out of Service method	: [Forced Idle]

ESC - Return to previous menu

Choose one of the above:

Figure 5-52. FXO Voice Interface

RX/TX Gains

Select this parameter to specify the nominal input level of the receive and transmit paths for each voice port. The input level range is –10 to +5 dBmm.

Coding Law

Select this parameter to specify the companding law to be used by the voice channels. The values are:

∝ Law Coding for T1 links.

Interface Parameters Menu 5-45