ADC HDU-409 Lists 1 Manuel D’Utilisation

Page de 44
LTPH-UM-1234-01
 PG-Flex 
Deployment
HDU-409 Lists 1, 2, and 3
April 30, 2003
 7
PG-F
LEX
 D
EPLOYMENT
 shows a typical HDU-409 List 2 or List 3 installation for the 
PG-Flex subscriber carrier system. For each doubler installed between the 
PG-Flex Central Office Terminal (COT) and Remote Terminal (RT), two 
auxiliary power pairs are required between the COT and RT. A maximum of 
two doublers may be installed in a PG-Flex system.
Figure 2.
Typical HDU Installation with PG-Flex
PG-Flex
RT
HDSL
HDU-409
Doubler
HDSL
PG-Flex
COT
9,000' 26 AWG
12,000' 24 AWG
9,000' 26 AWG or 12,000' 24 AWG (without Doubler)
9,000' 26 AWG
12,000' 24 AWG
Span 1
Auxiliary Power Pairs
Span 2
H0079-A