Extreme x250e-24t Installation Instruction

Summit Family Switches Hardware Installation Guide

Have a qualified licensed electrician connect the PSU to the DC source voltage (see 

Energize the DC circuit.

You need the following tools and materials to install or remove a Summit X650 DC PSU:

●

Two spade terminals (Tyco part number 130496 or equivalent) for connecting the input power cables 
(provided)

●

One ring terminal (Tyco part number 130496 or equivalent) and screw with captive lock washer 
(type M3.5) for connecting the ground wire (both provided) 

●

#12 AWG stranded copper cable for grounding the PSU and connecting the PSU to the DC 
power source

A DC power cord is not included with the Summit X650 DC PSU. You must provide the #12 AWG 
stranded copper cable. Recommended insulation colors are:

■

Red for the –48V connection (–)

■

Black for the –48V RTN connection (+)

■

Green or green with yellow stripe for the ground connection

●

Connection hardware appropriate to the installation site:

■

Hardware for connecting the power wires to the DC source

■

Hardware for connecting the ground wire to the site grounding point

●

Stripping tool

●

Crimping tool for attaching the lug to the ground wire

●

#1 Phillips screwdriver

●

Torque screwdriver and wrench or torque driver with attachments for tightening screws and nuts 

●

ESD-preventive wrist strap

●

Thermal protective gloves (required for removal of a PSU)

Connection lugs for power and ground and a screw for connecting the ground wire are shipped with 
the power supply.

A ring terminal and two spade terminals are provided with the PSU. You need a crimping tool to attach 
the terminals to the power and ground cables.

To prepare the cables:

On each wire, strip 0.25 inch of insulation from one end.

Insert the stripped wire end all the way into the barrel of the terminal (

) and crimp the 

terminal securely to the wire.