Verilink DIU 2130 (880-503297-001) Product Manual Uživatelský manuál stáhnout pdf (Strana 17)

DIU 2130 Overview

Verilink

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Descrambler

The DIU’s receive-side logic multiplexer contains a descrambler. If

the DS0 customer data is scrambled at the transmitting end, the

descrambler restores the original data before sending it to the data

equipment.

Table 1-1 Scramble Option Status

Serial FIFO Buffer

The receive-side FIFO buffer has the same function as the FIFO

buffer on the transmit side.

Data Driver

The data driver converts the outgoing data and clock signals to the

interface format required by each data port. Depending on the

customer data equipment connected to the DIU, the following may

be used:

•

V.35

•

RS-449

•

EIA 530

Point “A” Point “B” Validity

Off Off Valid

On Off Invalid

Off On Invalid

On On Valid

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 100 101

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Verilink DIU 2130 (880-503297-001) Product Manual Uživatelský manuál Strana 17