B&B Electronics Computer Accessories 3PCISD4A User Manual
Documentation Number 3PCISD4x-3903 Manual
Appendix B
B-1
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Appendix B: Jumper Mode Tables
Port A Jumper Settings Mode Table
Jumpers
Port A (1)
RS-232 RS-422
4-wire
RS-485
4-wire
RS-485
2-wire
JP1
(4 Jumpers)
232 422 422 422
JP3A
MODE
232
422/485 422/485 422/485
JP3B RX
not used
422
422
485
JP3C TX
not used
422
485
485
JP3D (SD/RTS)
(typical)
not used
not used
RTS/SD
SD
RTS/SD
SD
JP3E - Term
120
Ω
(typical)
not used
IN/OUT
OUT
IN/OUT
OUT
IN/OUT
OUT
JP5 Clock
(x4 or x1)
(typical)
*4/*1
*1
*4/*1
*1
*4/*1
*1
*4/*1
*1
How to use the table: The left vertical column shows the jumpers
for port A. The right 4 vertical columns show the position setting of
the jumper at the left for RS-232, RS-422 or 4-wire RS-485 or 2-wire
RS-485 modes.
for port A. The right 4 vertical columns show the position setting of
the jumper at the left for RS-232, RS-422 or 4-wire RS-485 or 2-wire
RS-485 modes.
NOTES:
Refer to the Setup section for explanations of the RTS/SD,
Termination and Clock settings. All ports share the Clock setting.
Termination and Clock settings. All ports share the Clock setting.
RS-485 Mode: The SD/RTS jumpers should be set to automatic SD
unless your software requires RTS Control.
unless your software requires RTS Control.
Note that termination should only be used in systems with both high
baud rates (>19200) and over several thousand feet of cable.
baud rates (>19200) and over several thousand feet of cable.
Information on RS-422 and RS-485 communications can be found in
the B&B Electronics RS-422/485 Application Note (available on our
Website).
the B&B Electronics RS-422/485 Application Note (available on our
Website).
B-2
Appendix B
Documentation Number 3PCISD4x-3903 Manual
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph 353-91-792444 – Fax 353-91-792445
B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph 353-91-792444 – Fax 353-91-792445
Port B Jumper Settings Mode Table
Jumpers
Port B (2)
RS-232 RS-422
4-wire
RS-485
4-wire
RS-485
2-wire
JP2
(4 Jumpers)
232 422 422 422
JP4A
MODE
232
422/485 422/485 422/485
JP4B RX
not used
422
422
485
JP4C TX
not used
422
485
485
JP4D (SD/RTS)
(typical)
not used
not used
RTS/SD
SD
RTS/SD
SD
JP4E - Term
120
Ω
(typical)
not used
IN/OUT
OUT
IN/OUT
OUT
IN/OUT
OUT
JP5 Clock
(x4 or x1)
(typical)
*4/*1
*1
*4/*1
*1
*4/*1
*1
*4/*1
*1
How to use the table: The left vertical column shows the jumpers
for Port B. The right 4 vertical columns show the setting of the
jumper at the left for RS-232, RS-422 or 4-wire RS-485 or 2-wire
RS-485 modes.
for Port B. The right 4 vertical columns show the setting of the
jumper at the left for RS-232, RS-422 or 4-wire RS-485 or 2-wire
RS-485 modes.
NOTES:
Refer to the Setup section for explanations of the RTS/SD,
Termination and Clock settings. All ports share the Clock setting.
Termination and Clock settings. All ports share the Clock setting.
RS-485 Mode: The SD/RTS jumpers should be set to automatic SD
unless your software requires RTS Control.
unless your software requires RTS Control.
Note that termination should only be used in systems with both high
baud rates (>19200) and over several thousand feet of cable.
baud rates (>19200) and over several thousand feet of cable.
Information on RS-422 and RS-485 communications can be found in
the B&B Electronics RS-422/485 Application Note (available on our
Website).
the B&B Electronics RS-422/485 Application Note (available on our
Website).