Zhone 5216 用户手册
3
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.
97-15608
Punchdown
Block or NID
DSL
Jack
RTU
New Wiring Connections
Existing Wiring (POTS)
Customer Premises (CP)
DSL
Ethernet
Crossover
Cable
Central
Office
(CO)
Demarcation
Point
Local Loop
CP
POTS
Splitter
POTS
End-user System
DSL - Digital Subscriber Line
POTS - Plain Old Telephone Service
NID - Network Interface Device
RTU
- Remote Termination Unit
Network
Service
Provider
(NSP)
NOTES:
— End-user system is used to represent any PC on the customer premises 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.