Mid-Span Power Hub 24-Port User’s Guide 1-1
1
Introduction

Functions and Features

The BL-69524ENT, Enterasys Networks’ 24-port Mid-Span Power Hub, supports
applications in which AC power is difficult to access, such as VoIP phones, wireless LAN
access points, or IP network cameras.
The Enterasys 24-port Mid-Span Power Hub acts as a “patch panel” and adds ~48VDC to
unused (non-data) wires in standard Category 5, 5e, or 6 Ethernet cable. The power unit
delivers both data and power over a single standard Ethernet cable.
Main features of the 24-port Mid-Span Power Hub:
Fully hot-swappable module banks
Remote power feeding; powered devices receive power over the Ethernet cable
Centralized power distribution; one powered device can be connected to a single
in-line unit
IEEE 802.3af standard powering scheme
Acts as a normal patch panel and places ~48 VDC on unused Ethernet pins
Total power available: 15.6 W per port per IEEE specification
Automatic power-control circuitry to detect a powered device before providing
power
Fused power surge protection

Port Indicators

Each port has its own LEDs, which display the following:
Detect/Power Forwarding (blue)
Power from Chassis (green)
For information on Troubleshooting, refer to Table 3-1 on page 3-1.