Paradyne Hotwire 5620 User manual

Hotwire5620 RTU Customer Premises

Installation Instructions

Document Number 5620-A2-GN10-10

August 1998

Before You Begin

An optional POTS (Plain Old Telephone Service) splitter is available for the Hotwire

5620 RTU (Remote Termination Unit). When a POTS splitter is installed, the telephone

and 5620 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

5038-A2-GN10

Hotwire 5038 Distributed POTS Splitter Customer

Premises Installation Instructions

Package Checklist

Verify that your package contains the following:

Model 5620 Remote Termination Unit (RTU)

DSL interface cable with RJ11 connectors

Power cord with power transformer

Two ferrite chokes

Warranty card

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 Hotwire

5620 RTU,

page 6, for Ethernet cable details.

What Does the Hotwire RADSL RTU Do?

The Hotwire 5620 RTU is a component in the Hotwire 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).

97-15346-02

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)

When a POTS splitter is used at both ends of the local loop, wiring is connected:

From the demarcation point to the CP POTS splitter, and

From the demarcation point to the DSL jack.

NOTES:

— End-user system is used to represent any PC with an Ethernet connection and

DSL-based service.

— Network Service Provider (NSP) is used to represent any Internet Service

Provider (ISP) or remote LAN access provider.

DSL Access without a POTS Splitter

When the 5620 RTU is installed without a POTS splitter, a second telephone wiring pair

is needed for DSL access.

97-15345-02

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 an RJ11 wall

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.

!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 13.

2. Disconnect the DSL access pair from the local loop. 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

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.

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

(Green)

Ring

(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.

97-15343-0

DSL

RJ11

Jack

Central

Office

Punchdown

Block or NID

Customer Premises

POTS/DSL

Local Loop

Demarcation Point DSL

Twisted-pair

Wiring

RTU

97-15300a

RJ11 Wall Jack

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.

3. Reconnect the DSL access pair

at the punchdown block or NID.

Refer to

Installing the DSL

Access Wiring

, page 4

Tighten

both terminal screws with a flat-

blade screwdriver.

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

Cables &

Connectors

, page 11.

Installing the Hotwire 5620 RTU

Place the 5620 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.

97-15300-01

DSL

Jack

POWER ETHERNET

DSL

Hotwire RTU

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

cable into the jack labeled ETHERNET.

Use a straight-through cable and connect the other end to an Ethernet hub,

97-15303-01

Ethernet

Hub

Ethernet

Line

POWER ETHERNET DSL

Hotwire RTU

Ethernet

Cable

Use an Ethernet crossover cable and connect the other end to the Ethernet

Network Interface Card (NIC) in the PC.

97-15303b

PC with Ethernet

Network Interface

Card

Ethernet

Line

POWER ETHERNET DSL

Hotwire RTU

Ethernet

Cable

For RTU cable pin assignments, refer to

Cables & Connectors

, page 11.

496-14952

97-15303c

Ethernet

Line

POWER ETHERNET DSL

Hotwire RTU

Ferrite

Choke

3. Place the large 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. Attach the ferrite

choke on the power cord as closely as possible to the RTU. Pass the power cable

through the ferrite choke twice, creating a loop as shown.

97-15796

POWER ETHERNET DSL

Hotwire RTU

Power

Jack

Ferrite

Choke

6. 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.

7. Plug the transformer into an AC outlet. The RTU hardware installation is now

complete. When the power cord is installed, the RTU goes through a power-on

self-test.

Power-On

When power is applied, the RTU performs self-diagnostics and the PWR LED is on.

The self-diagnostics includes a power-on self-test. During the power-on self-test, all of

the LEDs turn on for one second.

TST DSL ETHERNET

ALMPWR

98-15835

Power – green

Alarm – red

Test – yellow

Digital Subscriber Line – green

Ethernet Link – green

5620

Refer to

Troubleshooting,

page 10, for LED indications requiring action.

Status LEDs

All of the LEDs turn on and off during the power-on self-test. After a successful

self-test, the LEDs should appear as indicated in BOLD in the Condition column below.

LED Condition Status

PWR ON RTU has power.

ALM OFF

No active alarms.

An alarm condition exists.

TST OFF

No active tests.

The TST LED is on during the power-on self-test and

during a test initiated by the NSP.

DSL Blinking

OFF

RTU is establishing the active DSL link. The LED blinks

on and off about five times per second.

The DSL link is now active and ready to transmit and

receive data.

The DSL link has not been established.

ETHERNET ON

OFF

The Ethernet 10BaseT connection to the Ethernet hub or

PC is active.

No Ethernet 10BaseT device is detected.

Troubleshooting

LED Symptom Action

All LEDs remain on. The RTU is not functional. If the LEDs remain on after five

minutes, contact the NSP.

ALM LED remains

on. The power-on self-test may have failed. Unplug the unit and

reapply power. If the alarm LED is still on, contact the NSP.

ALM and TST

LEDs are on. Firmware download may be in progress. If the LEDs remain on

after five minutes, contact the NSP.

DSL LED is off. Verify that the DSL cable is securely installed on both ends. If

the problem continues, contact the NSP.

DSL LED continues

to blink after the

power-on self-test.

The RTU is attempting to establish the DSL link. If the DSL

LED continues to blink for more than five minutes, contact the

NSP.

DSL LED is on and

there is no data

transmission.

The DSL link has been established but there is no data

transmission. First, verify the Ethernet connection. If the

problem persists, contact the NSP.

DSL and Ethernet

LEDs are on and

there is no data

transmission.

The DSL and Ethernet links have been established but there is

no data transmission. If the problem continues, contact the

NSP.

Ethernet LED is off. Verify that the Ethernet 10BaseT cable is securely installed at

both ends, and at least one PC is connected and powered on.

Verify that the correct straight-through or crossover cable is

installed. Refer to

Installing the Hotwire 5620 RTU,

page 6.

PWR LED is off. Check that the power cord is securely installed on both ends.

If no LEDs are on, the power supply may be defective. Test the

outlet to verify power. If the problem persists, contact the NSP.

If other LEDs are on, the PWR LED may be burned out. Unplug

the unit and reapply power; watch all LEDs during the

power-on self-test to verify if the PWR LED is functioning.

TST LED is on. A test initiated by the NSP may be active. Wait five minutes.

If the TST LED does not go off, contact the NSP.

Increasing the Number of End-User Systems

A single PC is attached to the Hotwire 5620 RTU using an Ethernet crossover cable. To

increase the number of PCs, connect all PCs to an Ethernet hub using a

straight-through cable.

The 5620 RTU can support up to 32 PCs. Verify any planned changes with the NSP.

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