Filter
Top Products
10 CHAPTER 1: 3COM ETHERNET POWER SOURCE OVERVIEW
Overview The power source is designed for use with a standard
10BASE-T/100BASE-TX Ethernet network over standard TIA/EIA-568,
Category 5 cable. The DC operating power for the data terminal units is
fed through the unused pairs (7/8) and (4/5).
You can order the EPS in either of these models:
■ 12 Ethernet ports
■ 24 Ethernet ports
Features The EPS has the following hardware features:
■ Remote power feeding of Ethernet terminals
■ 12 or 24 ports of combined 10BASE-T/100 BASE-TX data and power
■ Shielded RJ-45 input/output connectors
■ Universal 85-264VAC 50/60Hz input
■ Power feeding over 7/8 and 4/5 spare twisted pairs of Category 5
UTP/STP cable
■ Independent overload and short-circuit protection for each port
■ Port status LED indicators
■ Power on/off command for each port
■ RS-232 monitoring and control serial port
■ FLASH memory for field firmware upgrades
■ Standard 19” 1.5U rack mounting with hardware
■ –24 VDC connector for an external DC power supply