• Two serial ports, each configurable as RS-422 or RS-485
• Speeds to 460.9 Kbps
• Auto enable/disable of RS-422/485 transmitter
• Full or half duplex supported.
• Universal PCI connector compatible with 3.3V and 5V systems
• MD1 Low Profile board fits 2U racks without riser card
• Full modem control and hardware and software flow control
• Windows 95, 98, Me, NT 4, 2000, XP, DOS, OS/2, and Linux supported.
• 5 year warranty by Quatech

Low Profile Universal PCI
RS-232 Serial Card:
DSCLP-200/300 Dual Port

Quatech RS-232 UPCI boards completely meet the PCI 2.3 specification for Universal connectivity and Low Profile boards, as well as all other aspects of the specification so that you can be certain that every Quatech Universal PCI board will function properly and perform reliably in your system. Serial port connection are made via an onboard DB-25F connector with cables that fan out to two DB-9F connectors.

The new Low Profile PCI footprint was designed to provide greater flexibility for embedded systems, thin-clients, and desktop and server environments.

The boards are mechanically similar to standard PCI boards, but use a shorter board and a different mounting bracket.They are designed to fit into systems as low as 3.350" without using riser cards. The boards are built on 32-bit addressing, and can be used in standard PCI backplanes or with specialized Low Profile PCI brackets. Quatech's RS-232 boards are built using the smallest (MD1) Low Profile board specification, which allows them to be used in even the smallest size systems without riser cards.

PCI 2.3 requires that all plug-in cards support 3.3V signaling. However, many systems still use 5V signaling. To accommodate both system types, Quatech Low Profile boards also use a Universal PCI connector compatible with both 3.3V and 5V signaling. This means that they can be used with current equipment, and will not need to be replaced as systems are upgraded. It also means that a single serial board solution can be used across a diverse network comprised of many different types of computer.

Each port on the board can be configured as either RS-422 or RS-485 for full or half-duplex communication. It is implemented with an automatic RS-422/485 transmitter enable/disable function that permits the hardware itself to regulate data flow by only driving lines while actively transmitting--providing increased speed and convenience over the older software controlled method.

Price Ea.

See below for hardware-only.

SKU and Prices

 DSCLP-200/300 with caable and two DB-9F connectors: $199

Options & Stuff

 PDF Data Sheet
 Quatech Product Selection Matrix Guide
 Standard Quatech Drivers Download
 PDF Manual Download
 Show pinout of DB-9F connector.

Detailed Specifications

• Bus Interface: 32-bit, 33 MHz PCI Bus specification 2.3 compliant
• OS Support: Windows CE/9x/Me/NT/2000/XP, DOS, OS/2, and Linux
• Data Rate: 460.9 Kbps (max)  About baud rate specifications
• Connector: One DB-25F on board edge; included cable leads to two DB-9F connectors.
• Transceiver: SP3491 or compatible
• Drivers:
  Differential Voltage: +/- 3.3V
  Transition time (TLH): 52 ns (typ)
  Transition Time (THL): 60 ns (typ)
• Receive Buffers:
  Differential Input Threshold: +/- 0.2V
  Voltage Range: -7V to +12V common mode input
  Transition Time (THL-TLH): 65 ns (typ)
• Power Requirements: +3.3V, 260 ma (typ)
• Size:
  MD1 Board: 63.55 mm height x 119.91 .m width. Fits 2U Rack.
  Low Profile PCI Bracket: 79.20 mm high (standard PCI bracket also included)
• Environment: Operating: 0°C to 70°C. Storage: -50°C to 80°C.
  Humidity: 10% to 90%
• Certifications: CE, FCC Class B