AT&T MERLIN LEGEND Release 3.0 System Programming And Maintenance Manual page 21

System Requirements
Depending on how you connect the PC to the control unit, you will also need
the following items:
Direct local connection, with the PC within 50 feet of the control unit.
Either a 355AF modular adapter (if there is a male connector on the
interface cable) or a 355A modular adapter (if there is a female
connector on the interface cable)
A 4-pair modular cord (D8W)
Direct local connection, with the PC more than 50 feet from the control
unit.
355AF adapter
EIA crossover cable
Two Z3A2 Asynchronous Data Units (ADUs)
ADU crossover cable
400B2 power adapter
2012D transformer
BRIA-4P adapter and 102 connecting block or 103 connecting
block
248B adapter
8-position wall jacks
4-pair plug-ended cable
D8W cords
D6AP power cord
EIA-232-D cables
Modem (local or remote) connection
A modem that supports 1200- or 2400-bps connections
System Programming and Maintenance (SPM) 3