HP J9979A Installation And Getting Started Guide

A-11
Specifications
Twisted-Pair Cable/Connector Pin-Outs
Straight-Through Twisted-Pair Cable for
1000 Mbps Network Connections
1000BASE-T connections require that all four pairs of wires be connected.
Cable Diagram
Note Pins 1 and 2 on connector “A” must be wired as a twisted pair to pins 1 and 2
on connector “B”.
Pins 3 and 6 on connector “A” must be wired as a twisted pair to pins 3 and 6
on connector “B”.
Pins 4 and 5 on connector “A” must be wired as a twisted pair to pins 4 and 5
on connector “B”.
Pins 7 and 8 on connector “A” must be wired as a twisted pair to pins 7 and 8
on connector “B”.
.
Pin Assignments
For 1000BASE-T operation, all four pairs of wires are used for both transmit
and receive.

HP J9979A Specifications

General

Model	J9979A
Category	Switch
Layer	Layer 2
Jumbo Frame Support	Yes
Input Voltage	100 - 240 VAC
Uplink Ports	4
Management	Web, SNMP
Dimensions	44.25 x 30.0 x 4.4 cm
Weight	4.4 kg
Power Supply	Internal
Form Factor	Rack-mountable
Operating Temperature	0°C to 45°C
Operating Humidity	15% to 95% (non-condensing)
Ports	24 x 10/100/1000 ports