Installing a 300 W DC Power Supply in a Summit X460
Series Switch
CAUTION
Make sure that the DC power supply circuit is not overloaded. Use proper over-current protection, such as
a circuit-breaker, to prevent over-current conditions. You may use up to a 30-Amp breaker.
To install a DC power supply in a Summit X460 switch, perform the following tasks in the order listed:
1 Prepare the power cables and ground cable by attaching the provided connection lugs to the cables
(see
"Preparing the Cables" on page
2 Insert the power supply into the Summit X460 series switch (see
page
230.)
3 Connect the ground (see
4 Have a qualified licensed electrician connect the power supply to the DC source voltage (see
"Connecting the Power Supply to the DC Source Voltage" on page
5 Energize the DC circuit.
Required Tools and Materials
You need the following tools and materials to install or remove a 300 W DC power supply in a
Summit X460 series switch:
Two spade terminals (Tyco part number 328281 or equivalent) for connecting the input power cables
●
(provided)
One ring terminal (Tyco part number 2-320561-4 or equivalent) and screw with captive lock washer
●
(type 6-32 UNC) for connecting the ground wire (both provided)
#14 AWG copper cable for grounding the power supply and connecting the power supply to the DC
●
power source
A DC power cord is not included with the 300 W DC power supply. You must provide the #14 AWG
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 power supply)
●
Connection lugs for power and ground and a screw for connecting the ground wire are shipped with
the power supply.
Summit Family Switches Hardware Installation Guide
Installing a 300 W DC Power Supply in a Summit X460 Series Switch
230).
"Connecting the Ground Cable" on page
"Installing the Power Supply" on
231).
232).
229