Tp-Link TL-SG3109 Инструкция по эксплуатации онлайн [340/341] 39472

Tp-Link TL-SG3109 Инструкция по эксплуатации онлайн [340/341] 39472
No response from the termi-
nal emulation software
Faulty serial cable
Incorrect serial cable
Software settings
Replace the serial cable
Replace serial cable for a pin-to-pin
straight/flat cable
Reconfigure the emulation software con-
nection settings.
Response from the terminal
emulations software is not
readable
Faulty serial cable
Software settings
Replace the serial cable
Reconfigure the emulation software con-
nection settings.
Self-test exceeds 15 seconds The device may not be cor-
rectly installed.
Remove and reinstall the device. If that
does not help, consult your technical sup-
port representative.
No connection is established
and the port LED is on
Wrong network address in
the workstation
No network address set
Wrong or missing protocol
Faulty ethernet cable
Faulty port
Faulty module
Incorrect initial configuration
Configure the network address in the
workstation
Configure the network address in the
workstation
Configure the workstation with IP protocol
Replace the cable
Replace the module
Replace the module
Erase the connection and reconfigure the
port
Device is in a reboot loop Software fault Download and install a working or previ-
ous software version from the console
No connection and the port
LED is off
Incorrect ethernet cable, e.g.,
crossed rather than straight
cable, or vice versa, split pair
(incorrect twisting of pairs)
Fiber optical cable connec-
tion is reversed
Bad cable
Wrong cable type
Check pinout and replace if necessary
Change if necessary. Check Rx and Tx on
fiber optic cable
Replace with a tested cable
Verify that all 10 Mbps connections use a
Cat 5 cable
Check the port LED or zoom screen in the
NMS application, and change setting if
necessary
Problems Possible Cause Solution
TL-SG3109/TL-SL3428/TL-SL3452 Gigabit Managed Switch Family CLI Reference Guide
Page 339

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