Panasonic CPC-EX User Manual

Chapter 4. Trunks and Lines

 Section 300-Installation

4-10

DBS Manual - Revised April 2000

DBS-2.3/9.2-300

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.

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

-

+