DocumentationNumber 3PCI2-0903 Manual Chapter1 3
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
Specifications
Bus: PCI bus (33MHz/32-bit) +5V bus power.
Slot: Requires one PCI slot
Dimensions: 4.79 x 3.77 in (12.16 x 9.57 cm) card edge
(Mounting bracket: 1.23 x 12.06 x 0.85 cm)
I/O Connections: Two 9-pin male D-sub (DB9M) connectors
OS Supported: Windows 95, 98, 2000, XP
Baud rates: 460.8K baud maximum - RS-232/422/485
UARTs: 16C950 (128-byte FIFO TX and RX buffers)
16C550 compatible
Character length: 5,6, 7 or 8 bits
Parity: Even, odd or none
Stop bits: 1, 1.5, or 2
RS-232 Data Lines Drivers/Receivers:
Transceiver Device: SP211H (or equivalent)
High level output voltage: 5.0 V minimum
Low level output voltage: −5.0 V minimum
Output current limited to: ±25mA
Input high threshold voltage: 1.7 V maximum
Input low threshold voltage: 0.8V minimum
Device will withstand: ±15 V
RS-422/485 Driver/Receiver:
Transceiver Device: SP491 (or equivalent)
Differential driver output voltage: 1.5 - 5 V
Differential input high-threshold voltage: 0.2 V maximum
Differential input low-threshold voltage: −0.2 V minimum
Automatic RS-485 Driver Control Timing:
Driver is enabled by Tx input buffer data. Driver remains
enabled until all data in Tx buffer is sent.
Receiver Biasing:
4.7K pull-up/pull-down for 32 standard (12-15K) nodes
Provision for custom biasing (R14, R13, R16, R17)