Cisco 300 Series Cli Manual page 44
Stackable managed switches
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Also See for 300 Series:
- Cli manual (899 pages) ,
- Administration manual (586 pages) ,
- Quick start manual (72 pages)
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Introduction
PHY Diagnostics
OL-32830-01 Command Line Interface Reference Guide
On all other devices, the four highest ports (e.g. ports 49-52 on SG300-52) cannot
be configured with auto-negotiation.
The following exceptions exist:
•
Copper Ports—PHY diagnostics are only supported on copper ports.
•
FE ports—Only basic tests are supported (no cable length).
•
10G ports—TDR test is supported when the operational port speed is 10G.
Cable length resolution is 20 meters.
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