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Green PCB PCIe card with serial and parallel ports

SIIG, Inc

SIIG, Inc JJ-E20311-S1 Serial RS-232 & Parallel PCIe expansion card

SKU CH-ZQ6N-7YJD6 MPN JJ-E20311-S1

Adds one RS-232 serial port and one parallel port to a PCI Express system

  • TypeNo
  • Adds RS-232 serial connectivity for legacy devices
  • Provides a parallel port for older printers
  • Uses a single PCI Express slot
  • Combines two legacy interfaces on one card
  • New condition ensures full reliability

One serial and one parallel port

This PCIe expansion card adds a single RS-232 serial port and a single parallel port to a desktop computer. It is built for technicians, industrial users and legacy-equipment owners who must keep older peripherals connected. The card plugs directly into an available PCI Express slot.

Check for a free PCI Express slot

Before ordering, confirm that the motherboard has an open PCI Express slot of any lane width. The bracket occupies one rear expansion opening, so verify that the chassis has a matching cut-out. No external power connector is required.

Fits standard desktop builds

The low-profile bracket suits typical tower and small-form-factor cases. Once installed, the card frees up USB headers and on-board COM headers for other devices. It provides native legacy I/O without adapters or converters.

Points forts

  • Adds RS-232 serial connectivity for legacy devices
  • Provides a parallel port for older printers
  • Uses a single PCI Express slot
  • Combines two legacy interfaces on one card
  • New condition ensures full reliability

Caractéristiques

TypeNo
Poids d’expédition0.45 kg
Dimensions du colis185 × 137 × 33 mm

Questions sur cet article

What cables or adapters come with the JJ-E20311-S1, and what must I source separately?

The card adds one RS-232 serial port and one parallel port to a PCI Express slot; no cables or adapters are mentioned in the product data, so any required cables must be purchased separately.

The model JJ-E20311-S1 appears to be a single version — are there other port-count or bracket options under this part number?

The part number JJ-E20311-S1 identifies a single card with one serial and one parallel port; no alternative port counts or bracket styles are listed for this model.

When installed, what does the RS-232 port actually provide for legacy devices?

The RS-232 port delivers a standard serial interface for older peripherals such as modems, industrial equipment or point-of-sale hardware that still rely on serial communication.

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