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Green PCB with two DB9 ports and gold PCIe x1 edge connector

Syba

Syba SI-PEX15037 2-port serial DB9 RS-232 PCIe x1 expansion card

SKU CH-VK88-D2HC4 MPN SI-PEX15037

Adds two RS-232 serial ports via a PCIe x1 slot, includes low-profile brackets, and supports 50 bps to 16 Mbps per port

  • TypePCI Express to Serial Port Card
  • External Ports2 x Serial Ports
  • Operating Systems SupportedAll Windows OS
  • FeaturesFully Compliant with PCI-e Base Specification, Revision 1.0a
  • Weight0.35 lb.
  • Package Contents2 x Serial Ports PCI-e Controller Card 2 x Single port Low P
  • Adds two DB9 serial ports for legacy devices
  • PCIe x1 interface fits modern motherboards
  • 16 Mbps per port handles high-speed serial gear
  • Low-profile and full-height brackets included
  • WCH CH382 controller supports power-management states

Two DB9 serial ports on PCIe x1

The Syba SI-PEX15037 adds two RS-232 DB9 ports through a single PCI Express x1 lane. It uses the WCH CH382 controller and provides 16C450/550/Extended 550 compatible UARTs with full modem control and hardware or software flow control. Speeds range from 50 bps to 16 Mbps per port. The card is fully compliant with PCI-e Base Specification Revision 1.0a and supports D1, D2, D3hot and D3cold power states.

Low-profile and full-height brackets included

The package supplies two single-port low-profile brackets and one full-height bracket that mounts both ports. This lets the card fit either a slim server chassis with one external port or a full-tower case with two. A driver mini CD and a user manual are also provided for installation on all supported Windows operating systems.

PCIe x1 interface with 100 MHz reference clock

The card connects through a standard PCIe x1 slot and uses a 100 MHz differential common reference clock. It does not support remapping of I/O address or IRQ, so system resources must be available as assigned. At 0.35 lb the board is lightweight and places no unusual mechanical load on the slot.

Points forts

  • Adds two DB9 serial ports for legacy devices
  • PCIe x1 interface fits modern motherboards
  • 16 Mbps per port handles high-speed serial gear
  • Low-profile and full-height brackets included
  • WCH CH382 controller supports power-management states

Caractéristiques

BrandSYBA
ModelSI-PEX15037
TypePCI Express to Serial Port Card
External Ports2 x Serial Ports
Operating Systems SupportedAll Windows OS
FeaturesFully Compliant with PCI-e Base Specification, Revision 1.0a
PCI-e Multi Function Peripheral Controller with x1 Lane Interface
Support for D1, D2, D3hot and D3cold
Utilizes 100-Mhz Differential PCI-e Common Reference Clock
Supports PCI-e Power Management
Serial Port:
2 16c450/550/Extended 550 Compatible UARTs
Supports RS232 Modes
Bi-directional Speeds from 50bps to 16Mbps/Port
Full Serial Modem Control
Supports Hardware, Software Flow Control
5, 6, 7, 8 and 9-bit Serial Format Support
Support MODEM Modem Signals CTS, DSR, RI, DCD, the DTR, RTS, Convert RS232 Level
Even, Odd, None, Sp
Weight0.35 lb.
Package Contents2 x Serial Ports PCI-e Controller Card
2 x Single port Low Profile Brackets
Full Bracket for 2 COM Ports
User Manual
Driver Mini CD
Poids d’expédition0.14 kg
Dimensions du colis180 × 150 × 48 mm

Questions sur cet article

Will the CH382 controller or its 16C450/550 compatible UARTs need firmware updates or component replacement over time?

The card uses a WCH CH382 controller with 16C450/550 compatible UARTs that have no field-updatable firmware and no user-replaceable components.

At sustained load, does the PCIe x1 lane bandwidth or the 16 Mbps per port UART ceiling limit throughput first?

Each serial port tops out at 16 Mbps, which is well below the PCIe x1 lane capacity, so the UART ceiling is the first limit you will hit.

With no onboard fan, how much heat does the card add inside a chassis running all day?

The passively cooled CH382 controller draws minimal power through the PCIe x1 slot and adds negligible heat during continuous operation.

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