Model

Description

Direction

Channels

Fiber

PDF

DL401/402

 T1/E1 Transceiver

1

1 or 2

 PDF

DL403/403A

 4 Channel T1/E1 Transceiver

4

1 or 2

 PDF

DL404/404A

 T3/E3 Transceiver

1

1 or 2

 PDF