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Hewlett-Packard EtherTwist Hub PLUS

Hub

EtherTwist Hub PLUS
EtherTwist Hub PLUS
EtherTwist Hub PLUS
EtherTwist Hub PLUS
HP p/n 28638

HP p/n 28638

Basic Information

Manufacturer
Hewlett-Packard
Model
EtherTwist Hub PLUS
╰ Also known as
28688B
Device Type
Hub
Release Year
1990

Rack Mounting

Rackmountable
Yes
Rack Units
1U

Power

Power Supply
Internal

Fixed Interfaces

Data Interfaces

Qty Speed Protocol / Signaling Interface Notes
1x 10 Mbps Ethernet DA-15
—
1x → 12x 10 Mbps Ethernet RJ-21 (Telco/Amphenol) RJ-45 (8P8C)
—
1x 10 Mbps Ethernet BNC
—

Management Interfaces

Qty Type Interface Pinout Notes
1x Console DB-25 —
—

Change History

Updated TheSerialPort 2026-04-10 14:39
  • Network Interface: Changed Breakout qty
  • Network Interface: Changed Breakout interfaces
  • Network Interface: Changed Notes
  • Photo: Changed Caption
Updated ben 2026-03-10 23:58
  • Also known as: (empty) → 28688B
Created ben 2026-03-10 23:57
  • Created
  • Added Network Interface: 1x 10Mbps Ethernet DA-15
  • Added Network Interface: 1x 10Mbps Ethernet RJ-21 (Telco/Amphenol)
  • Added Network Interface: 1x 10Mbps Ethernet BNC
  • Added Management Interface: 1x Console DB-25
  • Added Photo: Photo of Hub: Hewlett-Packard EtherTwist Hub PLUS
  • Added Photo: Photo of Hub: Hewlett-Packard EtherTwist Hub PLUS
  • Added Photo: Photo of Hub: Hewlett-Packard EtherTwist Hub PLUS
  • Added Photo: Photo of Hub: Hewlett-Packard EtherTwist Hub PLUS
  • Added Photo: Photo of Hub: Hewlett-Packard EtherTwist Hub PLUS

Submitted by TheSerialPort on March 10, 2026