Installation Guide

Table Of Contents
9. Connect the power lugs to the power supply module.
Connect the -48V wire to the negative terminal and the 0V wire to the positive terminal.
NOTE
The DC return must be isolated from the chassis ground (DC-I) when making connections to the power supply.
FIGURE 29 DC power supply
1. DC power lug 1 2. DC power lug 2
10. Plug the other end of the cable into the power source.
NOTE
Do not connect the device to the network until the IP addresses are
congured.
For information about power supply LED patterns, refer to Interpreting power supply module LEDs on page 80.
For NEBS-compliant installation with AC and DC
For the NEBS-compliant installation of the Extreme device with AC and DC systems, use a copper ground wire of at least 2 American
Wire Gauge (AWG). The ground wire should have an agency-approved crimped 2-hole lug (provided with the device) attached to one
end, with the other end attached to building ground.
The connector must be crimped with the proper tool, allowing it to be connected to both ground screws on the enclosure. Before
crimping the ground wire into the provided ground lug, ensure the bare copper wire has been cleaned and antioxidant is applied to the
bare wire.
Providing power to the device
ExtremeRouting SLX 9850-8 Hardware Installation Guide
9035475-02 Rev AA 63