Code Operated Matrix Switch
18
Before you begin, follow standard procedures for
grounding any accumulated static electricity, to
prevent damage to the circuits of the main and
expansion boards. Also, shut off the Switch’s power
by unplugging the wall-mounted transformer.
1. Remove the cover of the Switch.
2. Make sure you have set Ports 0 through 5
properly for DTE or DCE operation. Refer
to
Section 3.2
of the manual for details.
3. Install the standoffs in the two holes that run
along the midline of the main board.
4. Insert the Expansion Board’s row of RS-232
connectors into the row of holes at the rear of the
Switch. Make sure the connector that projects
from the bottom of the Expansion Board is seated
firmly in the socket of the main board.
5. Screw the 8 screwlocks into the holes along the
row of expansion ports. Also set screws into the
standoffs.
6. Set the baud rate, parity, word size, flow
control, and break-detection capacity with DIP
Switch Banks SWH through SWK. Use the chart
on the next page.
7. Set each expansion port for DTE or DCE
operation with the DIP shunts. For precautions
and more information on shunts, see
Section
3.2
(page 8)
.
8. Replace the cover of the Switch.
9. Connect your additional devices to the Switch.
10. Plug the wall-mounted transformer into its
AC socket.
Appendix B: Installing the
4-Port Expansion Card
(BACK)
(FRONT)
INDIVIDUAL PORT SWITCHES
(PORTS 5 THRU 8)
PORT 8
PORT 7
PORT 6
PORT 5
SWK
OFF
SWJ
OFF
SWI
OFF
SWH
OFF
PORT 5
DTE
DCE
PORT 6
DTE
DCE
PORT 7
DTE
DCE
PORT 8
DTE
DCE
The 4-Port Expansion Board
