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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
-
+
Summary of Contents for CPC-EX
Page 12: ...About This Manual Section 300 Installation xii DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 20: ...2 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 30: ...3 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 50: ...4 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 94: ......
Page 96: ...5 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 132: ...6 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 144: ...7 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 204: ...Index Section 300 Installation Index 8 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...