Comtech EF Data CDM-625A - Manual (Page 25)

CDM-625A Advanced Satellite Modem MN-CDM625A
Table of Contents Revision 3
xvii
B.9 VersaFEC-2 ACM and CCM ................................................................................................. B–16
B.9.1 VersaFEC-2 ACM Latency ...................................................................................................................... B–19
B.10 Uncoded Operation (No FEC) ............................................................................................. B–20
APPENDIX C.
AUPC (AUTOMATIC UPLINK POWER CONTROL) ................................... C–1
C.1 AUPC Overview ................................................................................................................... C–1
C.2 Setting AUPC Parameters .................................................................................................... C–2
C.2.1 Target Eb/No ............................................................................................................................................. C–2
C.2.2 Max Range ................................................................................................................................................. C–2
C.2.3 Alarm .......................................................................................................................................................... C–3
C.2.4 Demod Unlock ........................................................................................................................................... C–3
C.3 Compensation Rate ............................................................................................................. C–3
C.4 Monitoring ......................................................................................................................... C–4
APPENDIX D.
CARRIER ID (DVB-CID METACARRIER ® ) ........................................ D–1
D.1 Overview ........................................................................................................................... D–1
D.2 About MetaCarrier ............................................................................................................. D–1
D.3 Functional Description ....................................................................................................... D–2
D.4 Configuring the CDM-625A for Carrier ID Operation ............................................................ D–3
D.4.1 Enabling Carrier ID Operation ................................................................................................................. D–3
D.4.1.1 Enabling Operation via the CDM-625A Front Panel and VFD ........................................................ D–3
APPENDIX E.
CLOCK MODES AND DROP AND INSERT (D&I) ...................................... E–1
E.1 Overview ............................................................................................................................ E–1
E.2 Transmit Clocking ............................................................................................................... E–1
E.2.1 Internal Clock ............................................................................................................................................. E–1
E.2.2 TX Terrestrial.............................................................................................................................................. E–2
E.2.3 RX Loop-Timed, RX=TX ............................................................................................................................. E–2
E.2.4 RX Loop-Timed, RX<>TX (Asymmetric Loop Timing) ............................................................................ E–2
E.2.5 External TT with ST = RX Satellite ............................................................................................................ E–2
E.3 Receive Clocking ................................................................................................................. E–4
E.3.1 Buffer Disabled (RX Satellite) ................................................................................................................... E–4
E.3.2 Buffer Enabled, TX=RX (TX Terrestrial or Int (SCT) Clock) ..................................................................... E–4
E.3.3 Buffer Enabled, RX<>TX (TX Terrestrial or Int (SCT) Clock) ................................................................... E–4
E.4 X.21 Notes .......................................................................................................................... E–6