3com 3CNJPSE24 User Manual download pdf (Page 26)

Appendix B — Technical Specifications

B-2 Ethernet Power Supply User s Guide

Electrical Specifications

Input voltage 90 to 264VAC (47-63Hz)

Input current at 110VAC 4 Amperes Max

Total output power 200 Watts Max

Output power, per port 16.8 Watts* (typ.)

Nominal output voltage, per

port

44 - 57 VDC

* The output available per port may be lower depending on the

power budget, which is controlled by the power management

software module in the unit.

Ethernet Interface

Input (Data In): 24 Ports;

Ethernet 10/100BASE-TX

RJ-45 female socket

Output (Data & Power Out):

24 Ports; Ethernet 10/100

BASE-TX, and 48 VDC

RJ-45 female socket, with

DC voltage on pins 7/8 and

4/5

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 39 40

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3com 3CNJPSE24 User Manual Page 26