Adtran 7000 Series Bedienungsanleitung PDF herunterladen (Seite 2)

NetVanta 7000 Series Dual FXS/FXO Voice Interface Module P/N 1200692L1

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Quick Start Guide

COMMANDS

impedance [600c | 600r | 900c | 900r]

Configures the AC impedance of the FXS or FXO interface. Use

the no form of this command to return to the default value of 600c.

600c Specifies an impedance of 600Ω + 2.16 µF

600r* Specifies an impedance of 600Ω

900c Specifies an impedance of 900Ω + 2.16 µF

900r Specifies an impedance of 900Ω

loopback [analog |digital]

Activates a loopback on the FXS or FXO Module. Use the no form

of this command to deactivate the loopback.

analog Initiates a loop back toward the T1 network side

of the connection after passing through analog

filters in the voice codec

digital Initiates the same loopback before passing

through analog filters in the voice codec.

rx-gain [-12.0 to 6.0] (configure in 0.1 dB increments)

Defines the receive gain characteristics on the FXS or FXO

interface. Receive gain determines the amplification of the

received signal before transmitting out the FXS or FXO interface,

By default, the rx-gain is -3.0 dB.

signal [loop-start | ground-start]

Configures the signaling mode for the FXS interface. The default is

loop-start.

loop-start Bridges the tip and ring to indicate an off-hook

(seizing the ling) condition.

ground-start Applies resistance to the tip conductor of the

circuit to indicate an off-hook condition.

* Indicates default values

test [loop | ring-ground | tone]

Provides manual control of the FXS or FXO interfaces for testing.

Use the no form of this command to deactivate the test.

loop Enables a 2-wire “hook switch” on the FXS or

FXO interface that controls the DC current flow.

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