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Livingston Enterprises PortMaster Synchronous Office Router (T1/E1)

Router

Basic Information

Manufacturer
Livingston Enterprises
Model
PortMaster Synchronous Office Router (T1/E1)
╰ Also known as
OR-HS
Device Type
Router

Power

Power Supply
Internal

Fixed Interfaces

Data Interfaces

Qty Speed Protocol / Signaling Interface Notes
1x 115.2 kbps TIA-232 (RS-232)TIA-423 (RS-423) RJ-45 (8P8C)
—
1x 10 Mbps Ethernet DA-15RJ-45 (8P8C)
—
1x 2.048 Mbps DS1 (T1)E1Frame RelaySwitched 56TIA-530 (RS-530)V.35X.21 DB-25
—

Management Interfaces

Qty Type Interface Pinout Notes
1x Console RJ-45 (8P8C)
—

Links

Change History

Updated TheSerialPort 2026-04-10 14:04
  • Network Interface: Changed Interfaces
  • Deleted Network Interface: 1x 10Mbps
Updated TheSerialPort 2026-04-05 15:22
  • Added URL: Configuration Guide: http://www.bitsavers.org/pdf/livingstonEnterprises/950-1201B_Configuration_Guide_for_Portmaster_Products_Dec95.pdf
Updated TheSerialPort 2026-04-05 14:50
  • Model: Office Router (ISDN) #1 → PortMaster Synchronous Office Router (T1/E1)
  • Also known as: OM-U → OR-HS
  • Status: Draft → Published
  • Submitted by: (empty) → TheSerialPort
  • Added Network Interface: 1x 2.048Mbps DS1 (T1)/E1/Frame Relay/Switched 56/TIA-530 (RS-530)/V.35/X.21 DB-25
  • Added Network Interface: 1x 115.2kbps TIA-232 (RS-232)/TIA-423 (RS-423) RJ-45 (8P8C)
  • Deleted Network Interface: 1x 128kbps RJ-45 (8P8C)

Submitted by TheSerialPort on April 5, 2026