5
3. Locate the DSL pair of T1/R1 connectors on the customer premises side of the
NID or punchdown block. Attach the wiring that will be connected to the DSL jack.
DSL/POTS
Access from
Local Loop
Wiring to
DSL Jack
Telephone Network Interface Device (NID)
Ground
Tip
T1
(Green)
Ring
R1
(Red)
97-15438-01
Existing POTS
Wiring to
Telephone
Demarcation Point
Customer Premises
DSL Pair
POTS Pair
The 5620 RTU connects to the local loop via wiring from the demarcation point to
an RJ11 wall jack. The DSL twisted-pair wiring from the local loop terminates at a
new or existing wall jack. It may be necessary to install a standard single RJ11 jack
or replace a single jack with a double RJ11 wall jack.
97-15343-02
DSL
RJ11
Jack
Central
Office
Punchdown
Block or NID
Customer Premises
POTS/DSL
Local Loop
Demarcation Point
DSL
Twisted-pair
Wiring
RTU
