ADTRAN 550 user manual TX Prms, Lbo

Chapter 7. Module Terminal Menus

CONFIGURATION All of these configurable parameters depend on whether the port is connect- ed to a Primary Rate ISDN circuit or a Channelized T1 circuit—dedicated or switched.

PRT

Read security: 5

Identifies the port number.

PORT NAME

Write security: 3; Read security: 5

Accepts any alphanumeric name up to 16 characters long to uniquely iden- tify each port.

FRAME

Write security: 2; Read security: 5

Matches the frame format of the circuit to which it is connected (available from the network supplier).

CODE

Write security: 2; Read security: 5

Matches the line code of the circuit to which it is connected (available from the network supplier).

TX YELLOW

Write security: 3; Read security: 5

Enables and disables yellow alarm transmissions.

TX PRMS

Write security: 3; Read security: 5

Enables and disables PRM data transmissions on the facility data link (FDL). The PRM data continues to be collected even if TX PRMS is disabled (possible only with ESF format).

LBO

Write security: 2; Read security: 5

Depends on whether the circuit is provisioned for DS1 by the telephone company.

LB ACCEPT

Write security: 3; Read security: 5

Sets unit to accept or reject the in-band loop up and loop down codes as defined in ANSI T1.403. This is a line loopback.

PULSE DENSITY

Write security: 3; Read security: 5

When ON, the ATLAS 550 monitors for ones (1s) density violations and inserts a one (1) when needed to maintain ones at 12.5%.

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