Verilink DIU 2130 (880-503297-001) Product Manual - Manual (Page 17)

DIU 2130 Overview
Verilink 1-7
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