Installation Guide

When ports are used for stacking they are not available for normal Ethernet connectivity. For more
information about stacking, see Building Stacks on page 136.
•
Management port (10/100/1000-Mbps).
•
Front panel USB port for access to external storage.
•
RJ45 RS-232c serial console port used to connect a terminal and perform local management.
•
LEDs to indicate port status and switch operating conditions. For a description of the LEDs and their
operation, see Summit X770 Series Switch LEDs on page 83.
•
Stack number indicator.
1 = USB port 4 = 40G/10G QSFP+ Ethernet ports
2 = Stack number indicator 5 = Console port
3 = Management port 6 = Stacking ports
The rear panel of the Summit X770-32q switch includes:
•
Five replaceable fan modules
•
Two power supply bays for either AC or DC power supplies (see Summit 550 W AC and DC Power
Supplies on page 107).
•
Two mini-BNC connectors labeled OUT for connecting a Building Integrated Timing Supply (BITS) or
GPS timing source:
•
1 PPS frame output
•
10 MHz output
1 = Fan modules
3 = mini-BNC connectors
2 = Power supply
Summit X770 Series Switch LEDs
The following sections describe the meanings of the LEDs on the Summit X770 series switches.
ExtremeSwitching Switches
ExtremeSwitching and Summit Switches: Hardware Installation Guide 83