12713020-002-2 Revision D – April 2004 SSU-2000 User’s Guide 53
Product Overview
SDU-2000 Synchronization Distribution Unit
Figure 1-12. Front View of the SDU-2000 Expansion Shelf
The SDU-2000 Expansion shelf is designed to be compatible with international
environmental, safety and electromagnetic compliance (EMC) standards for
–48/60 vDC powered telecommunication transmission equipment installed in
telecommunication centers with inside telecom signal connections. The farthest
Expansion shelf may be located up to 200 feet (61 meters) from the SSU-2000 main
shelf.
Figure 1-13. Rear VIew of the SDU-2000 Expansion Shelf