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Cisco Systems 2509

Terminal Server

Basic Information

Manufacturer
Cisco Systems
Model
2509
Device Type
Terminal Server
Release Year
1994

Rack Mounting

Rackmountable
Yes
Rack Units
1U

Power

Power Supply
Internal

Fixed Interfaces

Data Interfaces

Qty Speed Protocol / Signaling Interface Notes
1x 115.2 kbps TIA-232 (RS-232) HD68
Uses CAB-OCTAL-ASYNC cable, splits into 8x DB-25
1x 10 Mbps Ethernet DA-15
—
2x 2.048 Mbps TIA-232 (RS-232)TIA-449 (RS-449)TIA-530 (RS-530)V.35X.21 Proprietary
—

Management Interfaces

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

Links

Change History

Updated TheSerialPort 2026-04-08 15:19
  • Network Interface: Changed Speed value
  • Network Interface: Changed Speed unit
  • Network Interface: Changed Protocol / signaling
  • Network Interface: Changed Notes
Updated ben 2026-02-23 02:31
  • Device type: Router → Terminal Server
Updated ben 2026-02-22 13:25
  • Network Interface: Changed Notes
Updated ben 2026-02-22 03:05
  • Added URL: CAB-OCTAL-ASYNC pinout: https://www.cisco.com/c/en/us/support/docs/dial-access/asynchronous-connections/14958-24.html
Updated ben 2026-02-22 02:57
  • Model: 2501 #1 → 2509
  • Status: Draft → Published
  • Submitted by: (empty) → TheSerialPort
  • Added Network Interface: 1x 115.2kbps EIA-232 (RS-232) HPDB68

Submitted by TheSerialPort on