5
Installing the POTS Splitter Wiring
The local loop ends at the punchdown block or NID. Wiring must be connected from the
customer premises (CP) side of the punchdown block or NID to the DSL jack. Typically,
the punchdown block is installed in commercial locations and the NID is installed in
residential locations.
The following is an example of a punchdown block.
A
B
C
D
DSL/POTS
From Local
Loop
Wiring to
DSL Jack
Bridge Clip
Punchdown Block
97-15349
Jumper
Wiring to
POTS Splitter
for POTS
Demarcation Point
Customer Premises
"
Procedure
1. Access the punchdown block or NID.
2. Disconnect the POTS access wiring from the local loop.
!
WARNING:
Do not continue unless the DSL access line from the local loop has been
disconnected at the NID or punchdown block. Refer to
Important Safety
Instructions
,
page 10.
Green (T1) and Red (R1) are the standard pair wiring colors used in the next two
NID illustrations for Tip (T1) and Ring (R1). Your wiring may differ.
