Northern Telecom DNC-50 Installation Manual page 155

148 Installing a -48 Vdc Power Distribution System
Figure 17-5
Bus Bar Positions and Wire Coding
Not Shown:
Table 17-A
CONVERTER REQUIREMENTS
SYSTEM SIZE ONE CONVERTER
IN CABINET #
2 Cabinets 1,2
3 Cabinets 1,2,3
4 Cabinets 1,2
5 Cabinets 1,2,3,4,5
6 Cabinets 1,2,3,4,5,6
7 Cabinets 1,2,3,4,5
8 Cabinets 1,2,3,4,5,6,7,8
Practice 450-1011-201
White
R
e
d
Red: Red wire carrying -48 V
Black: Black wire carrying -48 V Return
White: White wire carrying converter balance signal
Green wire carrying system ground
B
l
a
c
k
TWO CONVERTERS
IN CABINET #
-
-
3
-
-
6
-
450-0507
PEC CODE
NT4G13AK
NT4G13AL
NT4G13AM
NT4G13AN
NT4G13AP
NT4G13AQ
NT4G13AR