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Livingston Enterprises PortMaster 2i (U)

Terminal Server

Basic Information

Manufacturer
Livingston Enterprises
Model
PortMaster 2i (U)
╰ Also known as
PM-2i-U
Device Type
Terminal Server

Rack Mounting

Rackmountable
Yes
Rack Units
2U

Power

Power Supply
Internal

Fixed Interfaces

Data Interfaces

Qty Speed Protocol / Signaling Interface Notes
5x 128 kbps ISDN BRI (U) RJ-45 (8P8C)
—
1x → 5x 128 kbps ISDN BRI (U) RJ-50 (10P10C) —
—
1x 115.2 kbps TIA-232 (RS-232)TIA-423 (RS-423) DB-25
—
1x 10 Mbps Ethernet BNCDA-15RJ-45 (8P8C)
—

Links

Change History

Updated TheSerialPort 2026-04-10 13:45
  • Network Interface: Changed Interfaces
  • Deleted Network Interface: 1x 10Mbps
  • Deleted Network Interface: 1x 10Mbps
Updated TheSerialPort 2026-04-10 11:55
  • Network Interface: Changed Interfaces
Updated TheSerialPort 2026-04-10 11:54
  • Network Interface: Changed Breakout qty
  • Network Interface: Changed Notes
Updated TheSerialPort 2026-04-04 22:09
  • Network Interface: Changed Notes
Updated TheSerialPort 2026-04-04 22:08
  • Model: PortMaster 2R #1 → PortMaster 2i (U)
  • Also known as: PM-2R → PM-2i-U
  • Status: Draft → Published
  • Submitted by: (empty) → TheSerialPort
  • Added Network Interface: 5x 128kbps ISDN BRI (U) RJ-45 (8P8C)
  • Added Network Interface: 1x 128kbps ISDN BRI (U) Proprietary
  • Network Interface: Changed Quantity
  • Deleted Network Interface: 1x 2.048Mbps DB-25

Submitted by TheSerialPort on April 4, 2026