Moxa’s commitment to being a reliable serial connectivity provider is reflected in our long-term commitment 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 Mini PCI Express Serial Card with 2.5 kV Capacitive Isolation, -40 to 85°C Operating Temperature

Serial Interface
Comm. Controller
– 16C550C compatible
Bus
– Mini PCI Express
Connector
– DB9 connector
FIFO
– 128 bytes
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
– 2.5 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 7/8/8.1/10/11 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Server 2022
Linux driver
– Linux kernel 4.x
– Linux kernel 5.x

Performance parameters
Input current
– 714 mA @ 3.3 VDC

Physical properties
Dimensions
– 30 x 50.95 mm (1.18 x 2 in)

Environmental conditions
Operating temperature
– -40 to 85°C (-40 to 185°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: 1 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
– 2.412,169 hours
Standards
– Telcordia (Bellcore) Standard TR/SR