Alpha Technologies AlphaNet Series External DOCSIS Analog - Manual (Page 27)

27 745-419-C0-002, Rev. B
2.0 Transponder Installation, continued
2.9 Local and RF Connectors
The Local connector allows the technician to communicate with the transponder and power
supply through a PC’s RS-232 serial port.
The RF connector is the primary I/O port to the CMTS.
Fig. 2-10, Local Port Fig. 2-11, RF Connection
2.10 Verify Transponder Operation
During initial transponder power-up, the RDY LED will be on solid.
• Once the reset is complete, the RDY LED will fl ash at a ½ sec ON, ½ sec OFF rate.
• The RX LED will now be ON, fl ickering OFF occasionally, indicating a link with the CMTS
has been established.
• The TX LED will be off (idle state), but will fl icker on when transmitting data to the CMTS.
AT C/D
AT A/B AUX PWR
LOCAL
RX
TX
1 1
LCL
RDY
RF
D
Tra