Specifications – B&B Electronics 3PCI2 User Manual
Page 8
Documentation Number 3PCI2-0903 Manual
Chapter 1
3
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
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:
±
25 mA
Input high threshold voltage:
1.7 V maximum
Input low threshold voltage:
0.8 V 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)