5 8
1VLG5 00007 E
Satellite reference clock
It synchronizes all connected devices using its reference time source. Optional accessories
usually are: antenna, antenna cable, antenna mount and lightning protection kit.
Recommended type of a compact substation clock, TTM 01-G manufactured by TEKRON, sup-
ports accurate GPS (USA) / GLONASS (Russian) clock with sub-microsecond timing that is
used to synchronize protection relays. Key features are:
–
Synchronization of IEEE 1588-2008 (PTPv2) compatible clients via IEEE C37.238-2011 Power
Profile
–
Synchronization of NTP and SNTP compatible clients
–
1x RJ-45 or 1x multi-mode fiber optic interface
Parallel Redundancy Protocol support for ultimate reliability is available in a fully customiza-
ble satellite reference clock NTS 03-G+ manufactured by TEKRON too.
Refer to
Figure 78: Example of satellite controlled clock from Tekron with optional accessories
Summary of Contents for UniGear Digital
Page 1: ... DISTRIBUTI ON SOLUTIONS UniGear Family UniGear Digital Engineering Guide ...
Page 2: ......
Page 3: ... DISTRIBUTI ON SOLUTIONS UniGear Family UniGear Digital Engineering Guide ...
Page 6: ......
Page 10: ......
Page 12: ......
Page 84: ...72 1VLG5 00007 E Figure94 VirtualLANs allocation in HSR PRP networks ...
Page 111: ......
Page 112: ... Visit us www abb com mediumvoltage Document Number 1VLG500007 Rev E ...