6 Chapter3 DocumentationNumber 3PCI2-0903 Manual
B&BElectronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&BElectronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Selection of Operating ModeThe hardware address and IRQ is set by the Windows Operating
System using driver information files and the Plug and Play OS.
The Operating Mode is set using Jumpers, Device Manager Driver
Settings and by your cable connections and software.
Set the Jumpers
Set JP1 and JP2 Jumpers to match your Operating Mode.
Port 1 (bottom connector)
Port 1
Jumpers RS-232 RS-422
4-Wire RS-485
4-Wire RS-485
2-Wire
JP1Top 232
(Right) 422/485
(left) 422/485
(left) 422/485
(left)
JP1Middle -----
Noeffect TXENABLE
(right) TXSD
(left) TXSD
(left)
JP1 Bottom -----
Noeffect RXENABLE
(right) RXENABLE
(right) RXSD
(left)
Table1–Port1(nearbus)Jumper/ModeTable
Port 2 (top connector
)
Port 2
Jumpers RS-232 RS-422
4-Wire RS-485
4-Wire RS-485
2-Wire
JP2Top 232 422/485
(left) 422/485
(left) 422/485
(left)
JP2Middle -----
Noeffect TXENABLE
(right) TXSD
(left) TXSD
(left)
JP2 Bottom -----
Noeffect RXENABLE
(right) RXENABLE
(right) RXSD
(left)