Model: MC-1-M (2U)
Doc. Ref. no. : m05/om/101
Issue no. 14
User’s Manual
Page 4 of 103
10.2.3 Time Zone Offset Commands………………………………………………………. 54
10.2.4 LCD Display Parameters Commands……………………………………………… 55
10.2.5 COM2 Serial Time Frame Command………………………………………………. 56
10.2.6 Event Command……………………………………………………………………… 56
10.2.7 Additional Event’s Command……………………………………………………….. 56
10.2.8 Ethernet Default Command…………………………………………………………. 57
10.2.9 Password Change Command……………………………………………………….. 58
10.2.10 Miscellaneous Command……………………………………………………………. 59
10.2.11 Antenna Cable Propagation Delay command…………………………………….. 60
10.2.12 Manual Time Setting command…………………………………………………….. 60
10.2.13 Example to illustrate unit commands……………………………………………….. 62
11. Timing Outputs – Serial, IRIG-B / IEEE 1344, NTP…………………………………………….. 65
11.1
Timing Output – Serial………………………………………………………………………. 65
11.1.1 NMEA-0183 RMC Time frame output……………………………………............. 65
11.1.2 T-Format Time frame output………………………………………………………… 65
11.1.3 NGTS Time frame output……………………………………………………………. 66
11.2
Timing Output – IRIG-B / IEEE 1344 C37.118-2005……………………………………… 67
11.2.1 Introduction……………………………………………………………………………. 67
11.2.2 Time Code Output……………………………………………………......………….. 67
11.2.2.1
Standard IRIG-B Output………………………………………………… 68
11.2.2.2
Abstract of IRIG-B Time Code…………………………………………. 68
11.2.2.3
IRIG-B AM & IRIG-B DCLS signals…………………………………… 68
11.2.2.4
IRIG-B IEEE 1344 Extension…………………………………………... 69
11.2.2.5
Generated IRIG-B Time Codes………………………………………... 70
11.2.2.6
Selection/configuration of IRIG-B Time Codes………………………. 70
11.2.2.7
Connecting IRIG-B Time Code………………………………………… 71
11.2.2.7.1
Connecting IRIG-B DCLS………………………………. 72
11.2.2.7.2
Connecting IRIG-B AM………………………………….. 72
11.3
Timing Output – NTP…………………………………………………………………………. 72
11.3.1 NTP Introduction……………………………………………………………………… 72
11.3.2 GPS Master Clock NTP Output……………………………………………………... 73
11.3.3 NTP Client Synchronization…………………………………………………………. 74
11.3.4 NTP Hierarchical Time Distribution…………………………………………………. 75
12. Relay and Pulse Outputs…………………………………………………………………………….. 78
12.1
Relay Contact Outputs………………………………………………………………………. 78
12.2
Pulse Outputs…………………………………………………………………………………. 79
12.2.1 1PPS Output………………………………………………………………………….. 79
12.2.2 Event Output (PPM/PPH)………………….………………………………………… 79
12.2.3 Additional Event Outputs (Programmable Pulse Outputs)……………………….. 79
13. Ethernet Communications: Telnet, SNMP……………..…………………………………………. 80
13.1
Telnet …………………………………………………………………………………………… 80
13.2
SNMP……………………………………………………………………………………………. 81
13.2.1 SNMP Addressing……………………………………………………………………. 81
13.2.2 Protocol Detail……………………………………………………………………....... 81
13.2.3 SNMP Operation……………………………………………………………………… 82
13.2.4 SNMP Traps…………………………………………………………………………. 87
