Paradyne HotWire 5246 Manual de usuario

HotWire 5246 Remote Termination Unit (RTU)

Customer Premises

Installation Instructions

Document Number 5246-A2-GN10-00

October 1997

Before You Begin

An optional POTS (Plain Old Telephone Service) splitter is available for the 5246 RTU.

When a POTS splitter is installed, the telephone and 5246 RADSL (Rate Adaptive

Digital Subscriber Line) RTU can function at the same time over the same pair of

copper wires. In order to confirm the RTU installation, the POTS splitter should be

installed first. To install a POTS splitter, refer to the appropriate POTS splitter

document:

Document Number Document Title

5030-A2-GN10

HotWire 5030 POTS Splitter Customer Premises

Installation Instructions

5034-A2-GN10

HotWire 5034 Indoor POTS Splitter Customer Premises

Installation Instructions

Wiring and Cables Needed

The following wiring and standard connectors are used with this product:

New or existing unshielded twisted-pair wiring (CAT3 or better). The CAT3 wiring

must meet EIA/TIA-568 specifications with 24 AWG (.5 mm) or 26 AWG (.4 mm).

Standard RJ11 wall jack.

Standard Ethernet 8-pin, non-keyed modular plug for a PC or workstation. An

Ethernet straight-through or crossover cable is used. Refer to

Installing the RTU,

page 8, for Ethernet cable details.

Package Checklist

Verify that your package contains the following:

Model 5246 Remote Termination Unit (RTU)

DSL interface cable with RJ11 modular plugs

Power cord with power transformer

Ferrite choke

Warranty card

Refer to

Cables & Connectors,

page 14, for standard pin numbers.

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:

HFrom the demarcation point to the CP POTS splitter, and

HFrom 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

Central

Office

(CO)

Demarcation

Point

Local Loop

HUB

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.

DSL Access without a POTS Splitter

When the 5246 RTU is installed without a POTS splitter, a second telephone wiring pair

is needed for DSL access.

97-15345-01

Punchdown

Block or NID

DSL

Jack RTU

Customer Premises (CP)

POTS

DSL

Ethernet

Crossover

Cable Ethernet

Cable

Central

Office

(CO)

Demarcation

Point

Local Loop

HUB

New Wiring Connections Existing Wiring (POTS)

End-user

Systems

DSL - Digital Subscriber Line POTS - Plain Old Telephone Service

NID - Network Interface Device RTU - Remote Termination Unit

Network

Service

Provider

(NSP)

Installing the DSL Access Wiring

The local loop terminates at the punchdown block or NID. Wiring must be connected

from the customer premises side of the punchdown block or the NID to the DSL jack.

Typically, the punchdown block is installed in commercial locations and the NID is

installed in residential locations.

"Procedure

1. Access the punchdown block or NID. Disconnect the DSL access pair 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 16.

A punchdown block is used without a POTS splitter in the following example.

ABCD

DSL

Access

from Local

Loop

Wiring to

DSL Jack

Bridge Clip

Punchdown Block

97-15348

Demarcation Point

Customer Premises

Green (T1) and red (R1) are the standard wiring colors used in the next two

illustrations.

In the next example, a NID is used without a POTS splitter. It includes an existing

POTS line and a second pair installed for DSL access. The pair for the POTS line

does not need to be disconnected unless a POTS splitter is going to be installed.

DSL/POTS

Access from

Local Loop

Telephone Network Interface Device (NID)

Ground

Tip

(Green)

Ring

(Red)

97-15439-01

Existing POTS

Wiring to

Telephone

Demarcation Point

Customer Premises

DSL Pair

POTS Pair

2. 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.

Tighten both terminal screws with a flat-blade screwdriver.

DSL/POTS

Access from

Local Loop

Wiring to

DSL Jack

Telephone Network Interface Device (NID)

Ground

Tip

(Green)

Ring

(Red)

97-15438-01

Existing POTS

Wiring to

Telephone

Demarcation Point

Customer Premises

DSL Pair

POTS Pair

DSL Jack Installation

The 5246 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 jack.

The RJ11 6-pin jack uses the center two pins. For pin assignments, refer to

Cables &

Connectors

, page 14.

97-15343-0

DSL

RJ11

Jack

Central

Office

Punchdown

Block or NID

Customer Premises

POTS/DSL

Local Loop

Demarcation Point DSL

Twisted-pair

Wiring

"Procedure

1. Wiring can be run from the punchdown block or NID to a new or existing wall jack.

Match the pair colors on both ends.

2. Label the DSL jack.

97-15300a

RJ11 Wall Jack

3. At the demarcation point, reconnect the DSL access wire pair to the local loop.

Refer to

Installing the DSL Access Wiring

, page 4

Tighten both terminal screws

with a flat-blade screwdriver.

Installing the RTU

Place the 5246 RTU on a flat surface with clearance for the rear connectors.

"Procedure

1. Use the RJ11 6-pin cable for the DSL connection. Insert one end of the cable into

the jack labeled DSL. Insert the other end into the wall jack labeled DSL.

97-15300

DSL

Jack

POWER ETHERNET

DSL

HotWire RTU

2. Use an 8-pin cable for the Ethernet connection. Insert one end of the cable into the

jack labeled ETHERNET.

HUse a straight-through cable and connect the other end to an Ethernet hub, or

97-15303

Ethernet

Hub

Ethernet

Line

POWER ETHERNET DSL

HotWire RTU

Ethernet

Cable

HUse an Ethernet crossover cable and connect the other end to a PC with an

Ethernet Network Interface Card (NIC).

97-15303a

Ethernet

Line

POWER ETHERNET DSL

PC with Ethernet

Network Interface

Card

HotWire RTU

Ethernet

Crossover

Cable

For RTU cable pin assignments, refer to

Cables & Connectors

, page 14.

496-14952

97-15303a

Ethernet

Line

POWER ETHERNET DSL

HotWire RTU

Ferrite

Choke

3. Place the supplied ferrite

choke on the Ethernet

cable as closely as possible

to the RTU. Pass the

Ethernet cable through

the ferrite choke twice,

creating a loop as shown.

4. Close the two halves

around the cable and

snap the ferrite choke

shut. Press down on the

plastic latch to secure

the ferrite choke in place

around the cable.

5. Insert the power cord’s round end into the jack labeled POWER. Plug the

transformer into an AC outlet.

The following illustration displays examples of two power supply models.

97-15626

POWER ETHERNET DSL

HotWire RTU

Power

Jack

Transformer

The RTU hardware installation is now complete. When the power cord is installed, the

RTU goes through a power-on self-test.

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