AT&T MERLIN LEGEND Installation & Maintenance Manual page 160

Installation
10. On the printer side of the inside wiring, punch down the DIW
cord onto a 102 or 103 connecting block.
Plug one end of a D8W cord into the 102 or 103 connecting
11.
block and the other end into a Z3A2 ADU.
12. Connect one end of an RS-232 cable to the Z3A2 ADU and
the other end to the printer.
13. Plug the 2012D transformer into a wall outlet.
14.
Set the printer options for use with the SMDR feature.
For the AT&T 572 printer, set the options on the printer
according to Table 3-26. (See the user's guide supplied
with the printer for further information.)
For the AT&T 475/476 printer, set the DIP switches on the
printer according to Table 3-27. (See the user's guide
supplied with the printer for further information.)
Connect a PC to the Control Unit
A PC with MS-DOS* 3.3 or higher can be used for programming
and maintenance of the system. The connection of the PC to the
CU depends upon whether or not the distance between the two
is less than 50 feet.
CAUTION:
To prevent damage from electrostatic discharge (ESD),
avoid touching leads, connectors, pins, and other
components. Use a properly grounded wrist strap.
* Registered trademark of Microsoft Corporation.
3-52 The Printer and the
PC