Verilink QUAD T1 (880-503345-001) Product Manual Manual do Utilizador descarregar pdf (Página 33)

Configuration

Verilink QUAD T1 User Manual 3-7

Table 3-4 FDL Configuration Options

Timing Menu

The SCM maintains a timing table for all of the modules in each

shelf of a node. When a module is optioned to receive clock from

the shelf, this table determines the transmit clock source. It is used

by each QUAD T1 module in the shelf, as well as all QUAD DATA

modules. Use the

Timing Menu

to select between using the timing

table maintained by the SCM or using an independent clock source

on the QUAD T1 module.

The

Timing Menu

is accessed by using the

command on the

Configuration Menu

. See Figure 3-4.

NOTE:

receive clock from shelf

receive clock from shelfreceive clock from shelf

receive clock from shelf

is set to

yes

yesyes

yes

, the timing table

contains global values for all cards in the shelf that have

receive clock from shelf

receive clock from shelfreceive clock from shelf

receive clock from shelf

set to

yes

yesyes

yes

Menu Option Description Instructions

) FDL standard Selects which (or both) type of

ESF standard will be supported

through FDL messages.

Choose from support for Bellcore 54016

standard, ANSI T1.403, or both. Use

54016

54016 54016

54016

if a

connection to an AT&T T1 is involved.

) PRM C/R bit Selects handling of the

Command/Response bit

signalling used in Performance

Response Messages.

Select

none

nonenone

none

to disable responses to C/R bit

messages. Select

user

useruser

user

to allow telco access to

both telco and user ESF registers. Select

telco

telcotelco

telco

limit telco access to telco registers only.

) send/rcv LLB

BOP

Determines whether the module

will send and respond to line

loopback commands in the FDL

portion of ESF framing.

Normally this option is set to

Yes

YesYes

Yes

to enable

sending and responding to BOP (Bit Oriented

Protocol). Select

NoNo

to disable loopbacks.

NoNo

might be selected if the product is used inside a

network provider "cloud".

) send/rcv PLB

BOP

Determines whether the module

will send and respond to

payload loopback commands in

the FDL portion of ESF framing.

Normally this option is set to

Yes

YesYes

Yes

to enable

sending and responding to BOP (Bit Oriented

Protocol). Select No to disable loopbacks.

NoNo

might be selected if the product is used inside a

network provider "cloud".

) send/rec LLB

62411

Determines whether the module

will send and respond to line

loopback commands sent in the

T1 payload (in the DS0s).

Normally this option is set to

Yes

YesYes

Yes

NoNo

might be selected if the product is used

inside a network provider "cloud".

X) exit this menu Exits the

FDL Configuration

Returns to the

Configuration Menu

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