RadioFrame Networks Inc RFU7 Manual Do Utilizador
Troubleshooting
28
Network Chassis Unit
The front of the Network Chassis Unit (NCU) contains eight RJ45 ports and one
EIA-232 9-pin serial port. The back of the NCU has eight RJ45 ports, two BNC
ports, and an SMB port. Each port is described in the following table.
EIA-232 9-pin serial port. The back of the NCU has eight RJ45 ports, two BNC
ports, and an SMB port. Each port is described in the following table.
NCU front ports
Description
RJ45 Port 1
iSC—iDEN installations only
RJ45 Port 2
Ethernet LAN—network installations only
RJ45 Ports 3-8
additional Ethernet LANs
EIA-232 9-pin serial port for debugging—Customer Service Representative use only
NCU back ports
RJ45 Ports 1-8
ACUs—up to 8 ACUs may be connected to the NCU
5MHz/1PPs IN
BNC connector for timing interface
5MHz/1PPs OUT
BNC connector for timing interface
GPS ANT
GPS antenna connection
Each card installed in the front and back of the NCU has two LEDs: Power (top)
indicates power, and Status (lower) indicates the status of the card. Each RJ45
port has two LEDs: Link (right) indicates Ethernet connectivity, and Activity
indicates power, and Status (lower) indicates the status of the card. Each RJ45
port has two LEDs: Link (right) indicates Ethernet connectivity, and Activity