User`s guide

6
WARNING
1. The DC source should come from an external adapto
r or 12
to 48 VDC source (not from DC mains) by using a transfer
device.
2. This unit should
be installed or set up by a qualified service
person.
3. The 12 to 48 VDC power input is used for product version
2.0 and later. Prior versions use 12 to 30 VDC.
Schematic