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What Does the HotWire RADSL RTU Do?
The 5246 RTU is a component in the DSL Access System. This system provides
high-speed Internet or corporate LAN access over traditional twisted-pair copper
telephone wiring.
DSL Access with a POTS Splitter
Copper pairs run from the central office (CO) to the customer premises (CP) to create
the local loop. The local loop terminates on the customer premises at the demarcation
point in a punchdown block or network interface device (NID).
When a POTS splitter is used at both ends of the local loop, wiring is connected:
H
From the demarcation point to the CP POTS splitter, and
H
From the demarcation point to the DSL jack.
97-15346-01
Punchdown
Block or NID
DSL
Jack
RTU
New Wiring Connections
Existing Wiring (POTS)
Customer Premises (CP)
DSL
Ethernet
Crossover
Cable
Ethernet
Cable
or
Central
Office
(CO)
Demarcation
Point
Local Loop
HUB
CP
POTS
Splitter
DSL - Digital Subscriber Line
POTS - Plain Old Telephone Service
NID - Network Interface Device
RTU
- Remote Termination Unit
POTS
End-user
Systems
Network
Service
Provider
(NSP)
NOTES:
— PC is used to represent any end-user system with an Ethernet connection and
DSL-based service.
— Network Service Provider (NSP) is used to represent any Internet Service
Provider (ISP) or internal LAN administrator.
