JJ‑E20611‑S1 Specifications
SIIG Quad‑Serial PCIe Expansion Card
Manufacturer: SIIG, Inc.
Manufacturer Model: JJ‑E20611‑S1
Product Line: SIIG DP Cyber Serial Adapters
Product Series: DP Cyber 4‑Port RS‑232 PCIe Card
Product Type: Serial Interface Expansion Card
Product Name: SIIG 4‑Port Serial (RS‑232) PCIe Card
KEY FEATURES:
Serial Ports: 4 × RS‑232 (DB‑9) external serial ports
Host Interface: PCI Express ×1 (PCIe)
UART Support: Standard 16C550/16C650‑compatible
Supported Speeds: Up to 115.2 kbps per port (standard serial rates)
Hardware Flow Control: RTS/CTS, DTR/DSR supported
Software Flow Control: XON/XOFF supported
Dual‑profile bracket design: includes both full‑height and low‑profile brackets for flexible installation
Designed for connecting legacy serial devices (POS systems, modems, barcode scanners, industrial equipment, CNC/PLC, etc.)
PERFORMANCE:
Dependable serial communication for legacy or industrial peripherals
Supports standard serial communication parameters (data bits, parity, stop bits)
Compatible with common serial port software and drivers
ENVIRONMENTAL & RELIABILITY:
Designed for desktop, workstation, and industrial PC environments
Compliant with applicable safety, emissions, and environmental standards
Operating Temperature: Typical commercial range
Relative Humidity: Standard non‑condensing range
Standard Manufacturer Warranty: Limited (varies by vendor/region)
PHYSICAL:
Form Factor: PCI Express ×1 plug‑in card
Connectors: 4 × DB‑9 external serial ports
Approximate Dimensions: Standard PCIe card length × low‑profile bracket width
Weight: Lightweight expansion card

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