PCIe 2/4-port RS-232/422/485 serial adapter with surge suppression

  • Description
  • Specifications
  • Ordering Guide

BS/Ex-2/4 provides reliable, high speed data transfer for PCI Express systems.  These x1 lane PCI Express serial cards offer two or four ports of RS-232/422/485 connectivity and are compatible with any PCI Express slot. Bidirectional data speeds up to 1.8432 Mbps (RS-422/485) ensure fast communications for your industrial and embedded applications.  BS/Ex-2/4 supports three RS-422/485 modes: full duplex (four wire) with RTS/CTS flow control, half duplex (two wire) with auto TxD echo cancellation and multi-drop (four wire) communications.

Controller 17D152 dual UARTs with 64 byte TxD/RxD FIFO buffers
2-port DB-9M on board
4-port DB-37F with DB-9M, DB-25M or DB-9M IO box
Bus PCI Express x1 Lane
# of Ports 2 or 4
Electrical Interface Hardware selectable RS-232/422/485
RS-232 Signals TxD, RxD, RTS, CTS, RI, DTR, DSR, DCD
RS-422/485 Signals TxD+/-, RxD+/-, RTS+/-, CTS+/-
RS-232 Baud Rate 50 bps to 921.6 Kbps
RS-422/485 Baud Rate 50 bps to 1.8432 Mbps
OS Supported QNX® 6.x, Linux, Windows® 2K/XP/XPe/Svr 2003/Vista
Surge Protection IEC 1000-4 compatible on all signals, all ports (optional)
Op. Temp. 0 ~ 70 degC
Storage Temp. -55 ~ 105 degC
Humidity 5 ~ 95% RH
Dimensions 108.6 (W) x 109.2 (H) mm
Regulatory Approvals ICES-003 Class A, FCC Class A, EN50082-2, EN55022 Class A, EN55024


Model Description
BEG001 PCIe 2-port RS-232/422/485 serial adapter with surge suppression
BEG002-01 PCIe 4-port RS-232/422/485 serial adapter with surge suppression and DB-9 cables