363-206-285
Page 12 of 12 Issue 3, June 2001
DDM-2000 OC-3 MULTIPLEXER
Installation Safety Instructions
INSTALLATION SAFETY INSTRUCTIONS
1. Read and understand all instructions.
2. Installation and maintenance procedures must be followed and performed by trained
personnel only.
3. All DS1 and DS3 interfaces should not leave the building premises unless connected
to telecommunication devices providing primary or secondary protection, as
applicable.
4. For information on proper mounting instructions, consult 363-206-204,
DDM-2000
OC-3 Multiplexer Installation Manual
, 363-206-208,
DDM-2000 OC-12 Multiplexer
Installation Manual
, or 363-206-310,
DDM-2000 FiberReach Multiplexer Installation
Manual
.
5. Never install telecommunication wiring during a lightning storm.
6. Never install telecommunication connections in wet locations.
7. Never touch uninsulated telecommunication wires or terminals unless the
telecommunication line has been disconnected at the DS1 or DS3 interface.
8. Use caution when installing or modifying telecommunication lines.
SAVE THESE INSTRUCTIONS.