7.1. AFNOR/IRIG-B NFS87500 .............................................................................................. 87
7.2. DESCRIPTION OF DCF AND TDF TIME CODES ........................................................... 90
7.3. POLARISED MINUTE PULSES ...................................................................................... 92
8. APPENDIX C – MAINTENANCE ............................................................................. 94
8.1. CARD REPLACEMENT + IMPULSION CARD POWER SUPPLY .................................... 94
8.2. MICROCONTROLLERS REPLACEMENT ....................................................................... 95
8.3. OUTPUT CARDS ADDRESSES SWITCHES .................................................................. 96
8.4. TOP AND IRIG-B DCLS TIME CODE OUTPUT SIGNALS .................................................. 97
8.5. SUPERVISION PROTOCOLS ......................................................................................... 98
8.5.1. Syslog messages catalogue ................................................................................... 98
9. APPENDIX D – TROUBLESHOOTING ................................................................... 99