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9-11
D-620003-0-20 Rev J
CONFIDENTIAL
Troubleshooting
{EF17}RAU 1 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF18}RAU 2 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF19}RAU 3 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF20}RAU 4 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF21}RAU 5 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF22}RAU 6 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF23}RAU 7 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF24}RAU 8 disconnected
Check Cat-5/5E/6 cable for shorts/opens, especially on new install. Try another
EH port. If no fault is reported flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU. Use “Clear All Disconnect
Status” command to clear fault, or physically connect the RAU.
{EF25}Port 1 UL RF path loss is too high
CAT-5 cable is poorly terminated, re-crimp the connector; no RF uplink is
detected at all.
Check Cat-5E/6 cable loss, especially on new install. Check Cat-5 Extender, if
present. If fault present on all EH ports, replace the EH. Otherwise, try another
EH port. If no fault is reported, flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU.
{EF26} Port 2 UL RF path loss is too high
CAT-5 cable is poorly terminated, re-crimp the connector; no RF uplink is
detected at all.
Check Cat-5E/6 cable loss, especially on new install. Check Cat-5 Extender, if
present. If fault present on all EH ports, replace the EH. Otherwise, try another
EH port. If no fault is reported, flag the previous port as unusable and replace
the EH when possible. Otherwise, replace the RAU.
Table 9-2
Faults Reported by the Expansion Hub (continued)