Verilink PRISM 3060-10 (34-00252.4) Product Manual Manual de usuario descargar pdf (Pagina 27)

T1 NET Configuration 19

T1 NET

Configuration

The T1 NET Configuration screen (Figure 3-8) allows setting the following

network configuration parameters.

Defaults are shown underlined.

Framing Type Selects the framing for the T1 network. The choices are D4 and ESF

Line Code Sets the network side line coding. The choices are AMI and B8ZS

Line Build Out Sets the line build out for the network interface. The choices are 0 dB

, -7.5 dB,

-15 dB, and -22.5 dB.

Timing Sets the timing source to synchronize the unit’s internal timing generators. In all

cases, slips are controlled to occur on frame boundaries at the network and/or

DSX1 ports when timing synchronization is lost. The choices are as follows.

INTERNAL

The unit’s internal frequency standard is used for all timing.

NETWORK

Timing is derived from the network-recovered clock (the most common selection

for most applications).

STATION

Timing is derived from a bipolar- or TTL-compatible clock supplied to the unit

through the rear panel. This field shows the input timing and only appears when

✍

Figure 3-7 T1 NET Configuration Menu

Framing

Type

Line

Code

Line

Build

Out

Timing

ESF

AMI

B8ZS

0 dB

-7.5 dB

-15 dB

-22.5 dB

Internal

Network

T1 DTE

Station

Slot X /Port Y,

(where

X = 3 to 6 and

Y = A or B)

Station

Input

Timing

1.544

MHz

56 K

64 K

(Station

Timing

must be

selected)

Zero

Suppress

Enable

Disable

PRM

Enable

Disable

Alarm

Thresholds

Station

Timing

Selects the

multiplier

(1 - 24)

for the

Input

Timing.

Alarm Reset 030

ES 045

SES 005

LOSS 005

OOFS 005

UAS 000

RAS 000

AISS 000

BPVS 000

T1 NET Configuration

Line Code ............. AMI

Figure 3-8 T1 NET Configuration Screen

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 75 76

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