Avaya Using Technician Interface Scripts Instrukcja Użytkownika Pobierz pdf (Strona 717)

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303560-A Rev 00

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ft1_config

Displays configuration details of the FT1/T1 DSU/CSU adapter module. Use this

command to verify the information configured for FT1 operations. The display includes

the following information:

Line Type Frame format used on the T1 line, as follows:

• SF -

Superframe

•

ESF -

Extended superframe

Line Coding Line coding configured for the FT1/T1 DSU/CSU adapter module,

as follows:

• AMI - Alternative Mark Inversion transmits a binary 0 as 0 volts

and a binary 1 as either a positive or negative pulse with the

opposite polarity of the previous pulse. With AMI coding, the

adapter module remains in frame synchronization for 45

consecutive zeros.

•

B8ZS -

Bipolar 8 Zero Substitution

replaces a block of eight

consecutive binary zeros with an 8-bit B8ZS code containing

bipolar violations in the fourth and seventh bit positions of the

substituted code in a transmitted message. When a message is

received, this action is reversed: the B8ZS code is replaced with

eight consecutive binary zeros.

Loop Config Indicates the loopback setting as follows:

• Line Loopback

- Loops received data back onto the T1

transmission path at the point where the T1 interface enters the

FT1/T1 DSU/CSU adapter module.

• Payload Loopback

- Detects and encodes an ANSI Bit-Oriented

Payload Loopback message or an AT&T Payload Loopback

message across the T1 Facility Data Link (FDL). Upon detection

of a Payload Loopback message, the FT1/T1 DSU/CSU adapter

module transmits the received information in the outgoing

direction.

• No Loop -

No loopback is configured on the FT1/T1 DSU/CSU

adapter module.

FDL Configuration Defines the type of Facility Data Link (FDL) configured, as

follows:

•

ANSI403

- ANSI Publication T1.403

•

ATT54016

- AT&T Publication 54016

Primary Tx Clock Defines the type of primary T1 transmit timing source used, as

follows:

•

Loop

- Timing from the T1 port.

•

Local

- Internal timing from the FT1/T1 adapter module.

1 2 ... 712 713 714 715 716 717 718 719 720 721 722 ... 891 892

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