Cervoz Mini-PCI Express 2xRS-232+2xRS-232/422/485 Module – MEC-COM-M154


Cervoz – MEC-COM-M154 – Mini-PCI Express 2xRS-232+2xRS-232/422/485 Module | Mini PCI Express cards

SKU: MEC-COM-M154 Category: Tag:



  • Single-Lane (x1) PCI-Express with throughput up to 2.5Gbps
  • Fully compliant with PCI-Express Base Specification Rev. 1.1
  • Top serial transmission performance up to 921.6 Kbps baud rate
  • FIFO 128 Bytes, 15 KV ESD protections on board
  • H/W, S/W automate flow control supported
  • RS-232/422/485 mode selectable by DIP switches setting
  • Each port supports 5V or 12V power output by jumper setting


MEC-COM-M154 is a serial communication card for embedded PC. The card follows the Mini PCI-e standard which is complaint with PCI Express x 1 classification and small form factor (30.00 x 50.95 mm). This board fits in any host computer that has Mini PCI-e card slots.
Top Performance
MEC-COM-M154 has 2x RS-232 and 2x RS-232/422/485 serial ports, each individual port supports 921.6 Kbps baud rate. The combination features 15KV ESD protection, FIFO 128 Bytes, HW/SW automated flow control and extended operating temperature which enhances the board’s reliability and performance.
High Usability
MEC-COM-M154 is designed with flexibilities for many different applications. The Serial RS-232/422/485 mode can be configured by DIP switches, the power output can be configured by jumper. The accessories (bracket, connection / power input cable) are included in the standard package.



GeneralPCI-Express RevisionPCI-Express Base Specification Rev 1.1
Electromechanical Revision
PCI-Express Mini Card Electromechanical
Rev. 1.1
HardwareControllersOXPCIe954 (16C550C compatible)
BusSingle-Lane (x1) PCI-Express with throughput up to 2.5Gbps
Interface (Connector)RS-2322 (DB9 male)
RS-232 / 422 / 4852 (DB9 male)
Serial Line ProtectionESD Protection15 KV on board
Serial Port PowerVoltage Select5V or 12V
PerformanceBaud RateAsynchronous baud rates up to 921.6 Kbps
Serial Communication ParametersData Bits5, 6, 7, 8
Stop Bits1, 1.5, 2