Closing The Switcher; Swapping The Serial Ports - Extron electronics CrossPoint Plus 84HV User Manual

Reference Information, cont'd

Closing the switcher

1.
Ribbon cable
Self-latching receptacle
2.

Swapping the serial ports

The CrossPoint Plus switchers are factory configured for RS-232 use. If you want to
use RS-422 and the switcher is configured for RS-232, or if you want to use RS-232
and the switcher is configured for RS-422, do the following:
1.
2.
Key
Figure B-3 — CrossPoint Plus front panel board
CAUTION
3.
4.
Self-latching receptacle
Self-latching receptacle
B-4 CrossPoint Plus Matrix Switchers • Reference Information
Reinstall any cables removed. To plug a self latching cable into the desired
receptacle, align the holes in the connector with the pins in the
receptacle, and press evenly until the receptacle tabs lock into
place.
Place the top cover (CrossPoint Plus 84, 88, 124, and 128) and/or front cover
(all models) in place and replace all the screws removed in Opening the
switcher on page B-2.
Follow the appropriate instructions in Opening the Switcher on page B-2 to gain
access to the interior of your switcher.
Locate the switcher's front panel board (figure B-3).
Label includes
Extron part number &
Software version (Vx.xx)
19-708-01 Vx.xx
Slots for removing IC
with PLCC IC puller
U7
Do not touch the components inside the switcher without being
electrically grounded. Electrostatic discharge (ESD) can damage ICs,
even if you cannot feel, see, or hear it.
On the side of the front panel board that faces the rear of the switcher, locate
the RS-232 ribbon cable. The RS-422 ribbon cable receptacle, which is
normally empty, is located to the left of the RS-232 ribbon cable receptacle.
To remove the cable from the current receptacle, press the two receptacle tabs
outward as shown at the left, and pull up gently on the cable
Ribbon cable
connector to remove it from the receptacle.
Connector
5. To plug the cable into the desired receptacle, align the
holes in the connector with the pins in the receptacle,
and press evenly until the receptacle tabs lock into
Ribbon cable
place.
6. Reinstall the switcher's cover. See Closing the switcher
above.
Pin 1 (red stripe on ribbon cable )
J1 RS-422
receptacle
J2 RS-232
receptacle