DXS-3227, DXS-3227P, DXS-3250 and DXS-3250E EWS User Guide
P ro blems
No connection and the
port LED is off
Possible C aus e
Incorrect ethernet cable,
e.g., crossed rather than
straight cable, or vice
versa, split pair (incorrect
twisting of pairs)
Fiber optical cable con-
nection is reversed
Bad cable
Wrong cable type
Page 392
Sol u t io n
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