RadioFrame Networks Inc DH2 User Manual
Method of Procedure
Operations and Maintenance
Operations and Maintenance
122
RFN_3.1 Beta
Indication
Corrective Action
Reset the breaker and measure the load through the
breaker using a current measuring device.
breaker using a current measuring device.
Does the current exceed 80% of the rating of the breaker?
If yes, remove and replace the breaker with a breaker that
meets the 80% rule.
meets the 80% rule.
Note: Maximum rating of the shelf is 30 amps and per CB
position is 30 amps.
position is 30 amps.
Do not exceed the CB/plant ratings.
If current does not exceed 80% rating and breaker does not
trip, troubleshooting is complete.
trip, troubleshooting is complete.
7.3.3 RadioFrame
System
RadioFrame Networks equipment and components are not field repairable. Do
not attempt to repair RFN equipment and components in the field. RFN
components are individually tested prior to shipment. Should a failure occur
replacement boards must be inserted and the RFS re-booted.
not attempt to repair RFN equipment and components in the field. RFN
components are individually tested prior to shipment. Should a failure occur
replacement boards must be inserted and the RFS re-booted.
This section describes troubleshooting information for each component of the
RadioFrame System: NCU, ACU, RFU, and URU. If the provided solutions do
not resolve the problem, refer to the Field Guide to the RadioFrame System for
further troubleshooting information. If none of the provided solutions resolve the
problem, contact the Customer Assistance Center (TAC) at (425) 424-7620.
RadioFrame System: NCU, ACU, RFU, and URU. If the provided solutions do
not resolve the problem, refer to the Field Guide to the RadioFrame System for
further troubleshooting information. If none of the provided solutions resolve the
problem, contact the Customer Assistance Center (TAC) at (425) 424-7620.
7.3.3.1
Network Chassis Unit
NCU front ports
Description
Port 1 (RJ45)
iSC—iDEN installations only
Port 2 (RJ45)
Ethernet LAN—network installations only
Ports 3-8 (RJ45)
additional Ethernet LANs
EIA-232 9-pin serial port
for debugging—Customer Service use only
NCU back ports
Ports 1-8 (RJ45)
ACUs—up to 8 ACUs may be connected to the NCU
5MHz/1PPs IN
BNC connector for timing interface