Verilink QUAD T1 (880-503345-001) Product Manual Manual de usuario descargar pdf (Pagina 31)

Configuration

Verilink QUAD T1 User Manual 3-5

Table 3-3 Configuration Options

Menu Option Description Instructions

) in service Places ports in or out of

service.

Place ports in service before building circuits to them.

Type “I1” to place port 1 in service, “I2” for port 2, etc.

) frame format Selects the SuperFrame

(SF) method of framing the

T1 signal or the Extended

SuperFrame (ESF) method.

SF is another term for D4

framing—they are

identical.

If a QUAD T1 port connects to a standard T1 circuit

provided by a telephone carrier—select the framing type

that the T1 facility uses.

If using "private copper," select ESF—it offers superior

error checking abilities.

) line coding Selects Alternate Mark

Inversion (AMI) or Binary

Eight Zero Substitution

(B8ZS) as the method of

bipolar coding on the T1

circuit.

If a QUAD T1 port connects to a standard T1 circuit

provided by a telephone carrier—select the line coding

type that the T1 facility uses.

If using "private copper," select B8ZS—it allows

unrestricted use of the full 64K in each DS0.

) line build out Selects attenuation level of

DS-1 transmit signal.

Use 0db when connecting

to a "smart jack" network

termination device.

This option is only applicable to ports with DS-1

interfaces. Ports 1 and 2 of a CIM 3003 are DS-1 ports. All

4 ports of a CIM 3064 present a DS-1 interface.

The QUAD T1 module detects which type of CIM is fitted

at power up and appropriate fields are available or

marked

n/a

n/a n/a

n/a

) equalization Selects the signal boost on

the interface from the CSU

to the customer DSX-1

equipment. Use 0-133 if

the cable to the DSX-1

device is less than 133

feet long.

This option is only applicable to ports with DSX-1

interfaces. Ports 3 and 4 of a CIM 3003 are DSX-1 ports.

All 4 ports of a CIM 3068 present a DSX-1 interface.

The QUAD T1 module detects which type of CIM is fitted

at power up and appropriate fields are available or

marked

n/a

n/a n/a

n/a

) network

density

Selects the density

enforcement technique.

Select

none

nonenone

none

for a T1 port on which B8ZS T1 is used.

Select

12.5%

12.5%12.5%

12.5%

for an AMI T1 facility.

) network

initiated loop

Determines whether the

QUAD T1 module will

respond to received

requests for line

loopbacks (CSU loopback).

Select

yes

yesyes

yes

unless a specific reason exists to dis-allow

loopbacks. A brief burst of errors will occur each time this

option is changed.

If the QUAD T1 module is in a network service provider

environment it may be desirable to inhibit loopbacks.

) alarm declare

time(sec)

Length of time, in

seconds, alarms may exist

before an alarm condition

is declared.

Use zero to disable alarm reporting.

) FDL enable

PRM enable

Enables or disables the

use of the 4K Facilities

Data Link available

only

an ESF T1.

If this option is selected while the framing type is set to

SF, the following message is shown:

WARNING: You are in SF mode configuring an ESF feature

WARNING: You are in SF mode configuring an ESF featureWARNING: You are in SF mode configuring an ESF feature

WARNING: You are in SF mode configuring an ESF feature

See the section "FDL Configuration".

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Verilink QUAD T1 (880-503345-001) Product Manual Manual de usuario Pagina 31

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