Paradyne Hotwire 5620 RTU User manual
TM
1
Hotwire5620 RTU Customer Premises
Installation Instructions
Document Number 5620-A2-GN10-30
December 1998
Before You Begin
The Hotwire5620 RTU (Remote Termination Unit) interoperates with the Hotwire
8510 DSL Card in the DSLAM (Digital Subscriber Line Access Multiplexer) system.
An optional POTS (Plain Old Telephone Service) splitter is available for the Hotwire
5620 RTU. 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
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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 8, for Ethernet cable details.
2
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
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.
A POTS splitter blocks out the DSL signal and allows the POTS frequencies to pass
through. At the customer premises, the RADSL RTU and a telephone can function
simultaneously over the same pair of copper wires when either:
HA Hotwire 5030 or 5038 POTS Splitter is installed near the demarcation point for all
telephones on the same POTS line as DSL,
or
HA Hotwire 5038 Distributed POTS Filter is installed on each telephone on the same
POTS line as DSL.
DSL Access with a Hotwire 5030 or 5038 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).
The Hotwire 5030 POTS splitter is designed for outdoor or indoor installation. The
Hotwire 5038 POTS Splitter is designed for indoor use only.
When a Hotwire 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.
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.
3
98-16105
Punchdown
Block or NID
DSL
Jack RTU
Customer Premises (CP)
DSL
Ethernet
Crossover
Cable Ethernet
Cable
or
Central
Office
(CO)
Demarcation
Point
Local Loop
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) Hub or
Router
New Wiring Connections Existing Wiring (POTS)
DSL Access with a Hotwire 5038 Distributed POTS Splitter
When a Hotwire 5038 Distributed POTS Splitter is used, one 5038 Distributed POTS
Splitter is installed as a filter for each telephone on the same POTS line as DSL.
98-15815-01
RTU
Customer Premises (CP)
Central
Office
(CO)
Local Loop
POTS
Splitter To End-user
Systems
DSL – Digital Subscriber Line POTS – Plain Old Telephone Service
NID – Network Interface Device RTU – Remote Termination Unit
POTS
Splitter
POTS
Splitter
Network
Service
Provider
(NSP)
Demarcation
Point
Punchdown
Block or NID
POTS/DSL
Optional
4
DSL Access without a POTS Splitter
When the Hotwire 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
or
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)
5
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.
!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 17.
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
6
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.
In the following example, a NID is used without a POTS splitter. It includes an
existing POTS line and a second pair installed for DSL access.
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
97-15300a
RJ11 Wall Jack
or
7
The Hotwire 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
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 5
.
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 15.
8
Installing the Hotwire 5620 RTU
Place the Hotwire 5620 RTU on a flat surface with clearance for the rear connectors.
Procedure
1. Use the supplied RJ11 6-pin interface 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
If the Hotwire 5620 RTU is installed on the same line as POTS, a Hotwire 5038
Distributed POTS Splitter can be used as a filter. One Hotwire 5038 Distributed
POTS splitter is installed as a filter for each telephone, as shown below. To install
the Hotwire 5038 Distributed POTS splitter, refer to
Hotwire 5038 Distributed
POTS Splitter Customer Premises Installation Instructions.
98-15813
Distributed
POTS Splitter
Line from
RJ11 Wall Jack
PHONE
LINE DSL
PHONE
LINE DSL
PHONE
LINE DSL
Line from
RJ11 Wall Jack
Distributed
POTS Splitter
Distributed
POTS Splitter
Customer
Premises (CP)
Hotwire
RTU
9
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,
or
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 a PC with an
Ethernet Network Interface Card (NIC) installed.
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 15.
496-14952
97-15303c
Ethernet
Line
POWER ETHERNET DSL
Hotwire RTU
Ferrite
Choke
10
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
or
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.
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