Panasonic CPC-EX - Manual (Page 58)

Chapter 4. Trunks and Lines Section 300-Installation
4-10 DBS Manual - Revised April 2000 DBS-2.3/9.2-300
Installation
1. Install the G-TRK/8 or DID card in a trunk slot.
2. Connect the power supply by cabling the positive side to the SG
connector on CN2 (Figure 4-4).
Note: Use cables that are 18 AWG or larger to connect the power supply
to the DBS.
Figure 4-4. -48Vpower supply installation
3. Ground the positive side of the -48V power supply to the building
ground.
Note: Resistance to ground must be 10 Ohms or less, and the ground
cable must be 18 AWG or larger.
4. Install power-surge protectors between the wall outlet and the -48V
power supply.
5. Use a standard 50-pin cable to connect the trunks from the MDF to the
main trunk connector CN1.
6. Use a test set to verify the polarity of the trunk.
SG
R G
SYN R G +24V Z0 G N D C Z2 B M Z1 Z3 R E2 Z4 R E1 -48V
-48V Pow erSupply
R ecom m end:
Tellabs-8001
Tellabs-8002
C N 2
C N 11
C N 12
C N 5
C N 13
C N 3
C N 14 C N 15
C N 1
C N 1
C N 2 C N 4
-
+