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Small metal box with two serial ports and an Ethernet jack

Digi International

Digi International 70001992 PortServer TS 2 P MEI 2-port RS-232/422/485 device server

SKU CH-A2TS-R19GA MPN 70001992

Connects two RS-232/422/485 serial devices to a 10/100Base-TX Ethernet network with PoE and powered serial redundancy

  • Product typeOthers
  • Connects serial devices to IP networks via 10/100Base-TX Ethernet
  • Powers the unit over Ethernet using 802.3 af PoE eliminating extra cables
  • Powers attached serial gear through RI or DTR pins on the port
  • Supports RS-232/422/485 interfaces on two independent serial ports
  • Provides redundant power paths with PoE, powered serial and external connector

Digi PortServer TS 2 P MEI serial server

The Digi International 70001992 is a 2-port device server that connects RS-232, RS-422 and RS-485 serial equipment to a 10/100Base-TX Fast Ethernet network. It supports Powered Ethernet (802.3 af) for combined data and power over a single RJ-45 cable. The unit also offers powered serial capability using Ring Indicator or DTR pins alongside a traditional power connector.

Ideal for serial tunneling and COM port redirect

This server suits integrators who need to add network connectivity to legacy serial instruments, PLCs or meters where PoE simplifies cabling. It fits applications requiring TCP/UDP socket communication or COM port redirection over IP. Buyers needing wireless LAN, USB device ports or Gigabit Ethernet uplinks should look at a different product class.

Two serial ports with PoE and powered serial

The decisive specification is the combination of two versatile serial ports supporting RS-232/422/485 with both 802.3 af Powered Ethernet and powered serial (RI/DTR) options. This dual power redundancy allows installation in locations without local AC outlets while maintaining serial device operation during a primary power loss.

How it compares

Measured against everything we stock in Serial & USB Device Servers, at today’s prices. Recalculated every night.

Price $408.99
Pricier than about 56% of the 168 comparable items (median $335.99).

Specifications

Product
Brand nameDigi International
Product typeOthers
Size & build
Shipping weight0.66 kg
Package size273 × 200 × 97 mm

Questions about this item

Does the 70001992 ship with a power adapter or do I need to supply one separately?

The unit supports 802.3 af Powered Ethernet and powered serial via RI or DTR pins, so it can operate from the Ethernet cable or the serial link; a traditional power connector is also present for an optional external supply.

Should I choose the two-port or four-port version of the PortServer TS P MEI for my RS-232/422/485 devices?

This MPN 70001992 is the two-port model; if you need to connect more than two serial devices you would require the four-port variant instead.

What does the 10/100Base-TX rating mean for real-world throughput when tunnelling serial data over the network?

The Fast Ethernet link provides up to 100 Mbps raw bandwidth; actual serial tunnelling throughput will be lower due to protocol overhead and the 232/422/485 line speeds in use.

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