1. Draft Sealed DSLAM Architecture
Qwest Serving Wire Center
Customer
Premises
Feeder (F1)
Distribution (F2)
MDF
FDI
POTS
POTS/ADSL
TERMINAL
Voice
Switch
Drop N I D
In & Out
cable between
pedestal and FDI
Notes
Louvered
Pedestal
1) The DSLAM will have three
5’ cables terminated with
710 splice connectors or
3M MS2 splice modules
ADSL/POTS
Power/DS1
Ground
2) Maximum heat dissipation =
45 Watts/DSLAM
3) Power draw range =
max +/- 135 vdc to
min +/- 65 vdc
Shelf
24 Port
DSLAM
Hard splice connector
ATM
Switch
DS1 N I U
HDSL
Power Pairs
Power
Shelf
jumpers
ADSL - Asymmetric Digital Subscriber Line
ATM - Asynchronous Transfer Mode
DSLAM - Digital Subscriber Line Access Multiplexer
FDI - Feeder Distribution Interface
HDSL - High-bit-rate Digital Subscriber Line
MDF- Main Distribution Frame
NID - Network Interface Device
NIU - Network Interface Unit

2. Two DSLAM Pedestal Proposal

3. Four DSLAM Pedestal Proposal