Moxa’s commitment to being a reliable provider of serial connectivity is demonstrated by our long-term dedication to serial products and service availability. Our PCI Express, Universal PCI and PCI serial cards are designed for industrial applications and include models that operate reliably over a wide temperature range.

4-Port RS-422/485 Low-Profile PCI Express Card with 4 kV Surge Protection, 2 kV Electrical Isolation, DB9 Connector Cable, 0 to 55°C Operating Temperature

Serial Interface
Comm. Controller
– 16C550C compatible
Bus
– PCI Express 1.0
Connector
– DB44 socket
FIFO
– 128 bytes
Max. Number of cards per PC
– 8
Number of ports
– 4
Serial standards
– RS-422
– RS-485
Baud rate
– 50 bps to 921.6 kbps (supports non-standardised baud rates)
Data bits
– 5, 6, 7, 8
Stop bits
– 1, 1.5, 2
Parity
– None
– Even
– Odd
– Space
– Mark
Flow control
– None
– XON/XOFF
Isolation
– 2 kV
Surge
– 4 kV

Serial signals
RS-422
– Tx+, Tx-, Rx+, Rx-, GND
RS-485-4w
– Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w
– Data+, Data-, GND

Serial software functions
Windows driver
– Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10/11 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64)/2022, Windows Embedded CE 5.0/6.0, Windows XP Embedded
Linux drivers
– Linux Kernel 5.x
– Linux Kernel 4.x
– Linux Kernel 3.x
– Linux Kernel 2.6.x
– Linux Kernel 2.4.x
UNIX driver
– Solaris 10
– UnixWare 7
– SCO OpenServer 5
– SCO OpenServer 6
Arm®-based platform support
– Linux Kernel 5.x / 4.x

Performance Parameters
Input Current
– 3,414 mA @ 3.3 VDC

Physical Characteristics
Dimensions
– 67.21 x 103 mm (2.65 x 4.06 in)

LED interface
LED indicators
– Built-in Tx, Rx LEDs for each port

Environmental conditions
Operating temperature
– 0 to 55°C (32 to 131°F)
Storage temperature (in packaging)
– -20 to 85°C (-4 to 185°F)
Relative humidity
– 5 to 95% (non-condensing)

Standards and certifications
EMC
– EN 55032/35
EMI
– CISPR 32, FCC Part 15B Class B
EMS
– IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
– IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
– IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV
– IEC 61000-4-5 Surge: Power: 2 kV; Signal: 4 kV
– IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
– IEC 61000-4-8 PFMF

Declaration
Environmentally friendly product
– RoHS, CRoHS, WEEE

MTBF
Time
– 433.077 hrs.
Standards
– Telcordia (Bellcore) Standard TR/SR