Product manual

Installation instructions, Modular cabinet power cabling
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
121
4. Connect cable TRENB 101 03 to the piggy-back faston of power cable TRENB 101 01 (see figure
83).
5. Connect power cable TRENB 101 01 to the DC source.
Note:
There are two sets of PW1, PW2 and PW3 terminals; one for backplane powering and one for external
powering.
The positive pole of the external DC source is connected to the ground of the modular cabinet via the
backplane.
Fig. 83 Cable diagram of powering the modular cabinet and 7 CLUs/CLU-Ss/SLUs by
an external source
C
L
U
C
L
U
***
C
L
U
X102
X112 red
X1 13 black
Red
Black
Red
Black
TRENB 101 01
TRENB 101 05
48 Vdc
From external
source (PBX)
Back
plane
To
other
CLUs,
CLU-Ss
or SLUs
PW-BP
PW1
PW2
PW3
PW-EXT
PW4
PW5 PW6 PW7
MCCB
PW3 PW2
PW1
Ground bridge
TRENB 101 03
068
+
−
+−
* Or CLU-S/SLU
(TSRNB 101 33)
REX-CAB0013