User's Manual
•  For performance and safety reasons, only power supplies listed for use with telephone 
equipment  by  a Nationally  Recognized Testing Laboratory  (NRTL)  should be  used with 
equipment. 
•  Refer to the installation section of the appropriate instruction manual for the unit you 
are installing for: 
o  Cabling information 
o  Proper connections 
o  Grounding information 
•  All wiring external to the product(s) should follow the provisions of the current edition 
of the National Electrical Code. 
Warning:  These  units  contain  no  user  serviceable  components.  Only 
authorized  Service  Personnel  should  service or  repair  these  units. "Use  only 
isolated Class 2 Power Source, Rated 48V dc 5.0A Minimum." 
!










