Rockwell Automation 1784-PCM4B User Manual

Installation Instruction

s



About This Document

Use this document to install the 1784-PCM4/B cable. This cable
connects the 1784-PCMK/B card to an SLC 5/01t, 5/02t, or 5/03t
processor or a 1747-AIC link coupler for DH485 communication.

Verify Package Contents

Make sure that you have these items before you discard any
packing material.

1784-PCM4/B Cable

RJ45

Connector

If any item is missing or incorrect,
contact your local Allen-Bradley of

Publication 1784-5.21 – January 1997

Two Wedges

fice.

20692–M

1784-PCM4/B Cable2

Attach the Wedges

ATTENTION: You must attach the wedge that is
provided with your cable to the computer. This wedge

!

1. Slide the wedge into the slot on the bottom of the cable’s electronics

pod as shown below.

provides strain relief for the cable and secures the cable to
the computer so the cable is not accidently disconnected.
If you do not use the wedge and the cable disconnects, it
can damage the connector on the cable and the card.

electronics pod

Publication

19875

1784-5.21 – January 1997

1784-PCM4/B Cable 3

2. Position the assembly on the computer so the narrow end of the

wedge is closest to the PCMCIA slot. When you find the best location
for the wedge, use a pencil to mark the location on the computer.

length

of cable from
connector to
electronics
pod is 17.8 cm (7 in.)

19875–M

3. Separate the wedge from the electronics pod.

4. Remove the paper backing from the wedge.

ATTENTION: The adhesive on the wedge is very strong.

Once you remove the protective paper and attach the

!

wedge to the computer, you cannot remove the wedge.
Be sure you are confident about the position of the wedge
before you secure it.

19950

Publication

1784-5.21 – January 1997