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Chapter 1: Overview
Port Numbering
28
Table 4. Link and Activity Status LEDs for 40Gbps QSFP+ or 100Gbps
QSFP28 Transceivers (Continued)
State
Flashing Amber
Off
The LED states for breakout cables are described in Table 5.
Table 5. Link and Activity Status LEDs for 10Gbps Breakout Cables
State
Solid Amber
Flashing Amber
Off
The transceiver ports are numbered 25, 29, 33, and 37. Table 6 on
page 29 lists the port numbering system for the ports when the switch is
operating in a stack with the VCStack feature:
Description
The transceiver is transmitting or receiving
data at 40Gbps.
Possible causes of this state are listed
here:
- The transceiver slot is empty.
- The transceiver has not established a
link to a network device.
- The LEDs are turned off. To turn on the
LEDs, use the eco-friendly button.
Description
At least one of the four ports on the
breakout cable has established a 10Gbps
link to a network device.
At least one of the four ports on the
breakout cable is sending or receiving
data.
Possible causes of this state are listed
here:
- The transceiver slot is empty.
- None of the ports on the breakout cable
have established links to network
devices.
- The LEDs are turned off. To turn on the
LEDs, use the eco-friendly button.
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