Call us: +44 (0)1634 300900 | E-mail:

Diamond Point International

Connect Tech ComSync/PCI-104 Gen3 - Two Port Synchronous PCI-104 Serial Card

RS-232, RS-422, RS-449 Support, Up To 18.432Mbps Per Channel


Connect Tech's ComSync product family has expanded to include a PCI-104 platform option for your synchronous and asynchronous serial communications.

Based on the PCI bus and a compact form factor, this two-channel, multi-protocol serial adapter offers high performance, reliable, synchronous or asynchronous serial communications for your industrial or embedded needs.

Providing the maximum in flexibility, this PCI-104 card allows you to choose from multiple electrical interfaces, protocols and encoding schemes to ensure your hardware solution is ideally suited to your specific application.

ComSync/PCI-104 Gen3 is PCI-104 1.0 compliant and includes a PCI-104 stack-through connector to interface with a PCI-104 card stack. 

All Connect Tech PCI-104 synchronous and asynchronous serial adapters include lifetime warranty and free technical support.

Features and Benefits

  • Two synchronous/asynchronous serial channels
  • Multiple communication protocols supported: RS 232, RS-422, RS-485, HDLC, SDLC, MonoSync, BiSync and Async
  • Operating temperature range of -40°C to 85°C



InterfacePorts: 2 synchronous/asynchronous serial channels
Electrical Interface: RS-232, RS-485
Protocols: HDLC, SDLC, MonoSync, BiSync, Async
Encoding: FM1, FM0, NRZ, NRZI
Serial Clocks: Internal or external

Control Signals:
• 422: RX ±, TX ±, RTS ±, CTS ±, TRxC ±, RTxC ±, SYNC
• 485: TXRX ±, TRxC ±, RTxC, SYNC
Data RatesProgrammable bit rate generator, up to 2.6 Mbps
(different oscillators available for custom bit rates)
OtherHigh Performance: Support for four software programmable DMA channels
Controller: 11 MHz Zilog 85230 ESCC
Connector(s)Two 26-pin 0.100” right angle pitch headers
Optional ribbon cables with female 26 pin IDC to female DB-25 connectors available


ExpansionUniversal PCI-104 1.0 bus - 33MHz/32 bit PCI interface
PCI Addresses: 3 Memory Bars setup by OS
Interrupts: 1, setup by OS
Electrical+5 VDC @ 200 to 400 mA (typ)
(varies with line interface mode and data transmission speed)
MechanicalWidth: 96 mm x 90 mm, 3.55" x 3.775", PC/104 form factor compliant
Conformal CoatingOn request
SoftwareLinux Drivers
Windows Drivers
TemperatureTemperature range (operation): -40 to +85°C
Temperature range (storage): -40 to +85°C
Humidity95% non-condensing
Warranty2 Years

Ordering Details

ComSync/PCI-104 Gen3, 2 port synchronous multi protocol card
Order Online Connect Tech ComSync/PCI-104 Gen3 - Order Online