Installation Guide

Table Of Contents
b Slide the spade terminal of the positive wire (–48 V RTN) under the captive square washer on the
positive terminal (labeled +).
Figure 153: Connecting the Positive Power Wire to a –48V Source (550 W DC
Power Source)
6 Tighten both screws on the terminal block to 7 inlb (0.79 N m).
7 Snap the cover into place over the terminal block.
8 Connect the cables to the DC source voltage, using hardware appropriate to the installation site and
following local and national electrical codes.
9 Energize the DC circuit.
Leave the ESD strap permanently connected to the rack, so that the strap is always available when you
need to handle ESD-sensitive components.
You can now connect network interface cables to the switch, using the instructions in Connecting
Network Interface Cables on page 220.
Installing Your Extreme Networks Switch
ExtremeSwitching and Summit Switches: Hardware Installation Guide 201