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Circuit-Switched Telephony SolutionsHomeworx™Host Digital Terminal GR-303 344 Homeworx™Digital Network Interface Unit 348 Homeworx™Clocking and Timing Slot Interchange Unit 350 Homeworx™

Circuit-Switched Telephony Solutions

Homeworx™Host Digital Terminal (GR-303) 344 Homeworx™Digital Network Interface Unit 348

Homeworx™Clocking and Timing Slot Interchange Unit 350

Homeworx™Protection Switch and Test Unit 356

• Provides point-to-multi-point transport system

• Up to 3072 call reference values (CRVs) per HDT

• Multihosting capacity, up to 4 hosts

• Accommodates 2-28/DS1/Inputs at the network interface

• GR-303 switch interface

• 1024 x 1024 full access, non-blocking DS0 cross-connect capability

• Supports a maximum of 672 DS0 transport capacity over a HFC network

• All active electronic circuits are packaged on field-replaceable plug-in modules, supports a total

The primary components which make up the Homeworx HFC transport system are as follows:

• Host Digital Terminal (HDT): Provides telephony interface between Switching Network and HFC

Transport Network

• Integrated Services Unit (ISU): Provides modem interface to coaxial distribution network and service

interface to customers.

• Network Element Management: Provides primary interface between Homeworx System components

and customer Operations Systems (OSs)

HDT Module Types

Application

Digital Network Interface Unit (DNIU) 8 – 7 quad-DS1 modules + 1 protection moduleProtection Switch & Test Conversion Unit (PSTU) 1 – no protection since not service-affecting

Clock & Timeslot Interchange Unit (CTSU) 2 – 1 active, 1 standby/protection module

Coax Master Unit (CXMU) 6 – 3 active, 3 standby/protection modules

Shelf Control Unit (SCNU) 2 – 1 active, 1 standby/protection module;

Power Supply Unit (PWRU) 2 – 2 load-sharing modules

COMBINED RF &

TELEPHONY ON COAX

OPTICAL NODE

Optical XMT/RCV

HDT CENTRAL OFFICE/HEADEND

TEL/

VID RX

TEL/

VID TX

L H

R X R X R X R X T

/ C M

P / C M

C S U P R T

C S U M A I N

P T U

D I U P R T

D I U

D I U

D I U

D I U

D I U

D I U

D I U

C M U P R T

C M U M A I N

C M U P R T

C M U M A I N

C M U P R T

C M U M A I N

S N P R T

PWRU LDS

COT

DCS

50-750 MHz VIDEO SOURCE AND 5-49 MHz VIDEO CONTROL INFORMATION RECEIVERS

COMBINED DOWNSTREAM VIDEO RF 620-774 MHz UPSTREAM VIDEO INFORMATION 5-45 MHz

PWRU

S N M A I N

SPLITTER/COMBINER

Host Digital Terminal

The primary function of each HDT module is as follows:

• DNIU: Provides GR-303 interface to the digital network

• PSTU: Provides the switching function for DNIU

• CTSU: Provides the DS0 timeout grooming capability and all system synchronization functions

• CXMU: Provides the modem functionality and RF interface to the HFC transport system

• SCNU: Provides all OAM&P functions in the system

• PWRU: Converts -48 VDC from a central office battery into the required HDT shelf voltage

Physical Characteristics

Maximum Amount of Hosts:

Protection Switch Time:

Timeslot Interchange:

COAXIAL LINE INTERFACE

RF SPECIFICATIONS

Number of Coaxial Outputs:

Number of Coaxial Inputs:

Impedance:

Maximum Bandwidth per CXMU:

Tunable RF Modem Frequency Range

28 (672 DS0s)1.544 Mbps ±130 ppmper GR-499

100 OHMs

0 - 655 ftExternal BITS, Line, InternalAmphenol (plug)

SLC-96, SF, ESFGR-3034Less than 50 msec on all HDT cards

1024 x 1024 64 Kbps TSI

3 Tx wrk CXMUs, 3 Tx protect CXMUs

3 Rx wrk CXMUs, 3 Rx protect CXMUs

75 OHMs

6 MHz upstream and downstream (240 DS0s)

• Each DNIU plug-in unit provides termination for 4DS1 network lines

• The DNIU can also interface to a digital network element (DNE), such as a channel bank or DS1

cross-connect system to deliver non-switched services

• Six LEDs on the front of the DNIU: (Fail, Active, LPBK-A, LPBK-B, LPBK-C, LPBK-D)

• 7 working and 1 protect cards per HDT (GR-303)

• 2-28 DS1 Inputs at the network interface

Digital Network Interface Unit

For additional information and assistance in system configuration, please contact ADC.

Plug-in card to the HDT-DNIU labeled slots

5 watts per unit (maximum)

28 DS1 lines per HDTGR-303

450 ft maximum

50 pin (GR-303)

140 BTU/hour, maximum32°F to 95°F (0°C to 35°C)32°F to 120°F (0°C to 50°C)40°F to 158°F (40°C to 70°C)

20% to 80%

5% to 95%

UL 94 V-1 or better

Clocking and Time Slot Interchange Unit

The CTSU plug-in unit provides the clocking and timeslot interchange functions for the HDT One CTSU provides the clocking functions required for normal system operation A second CTSU can also be installed and used as a back-up unit in case the first unit should fail There are two LEDs on the front of the CTSU.

Features

• Maximum 2 cards per HDT

• All clock sources in the HDT are redundant to protect the network against single-point failure

• Provides physical control of all telephony operations

• Terminating point for all LE GR-303/US communications channel messaging

CTSU Clock/Time Slot Unit (GR-303)

For additional information and assistance in system configuration, please contact ADC.

Plug-in card to the HDT-CTSU labeled slots

6 watts per unit (maximum)

140 BTU/hour, maximum32°F to 95°F (0°C to 35°C)32°F to 120°F (0°C to 50°C)40°F to 158°F (40°C to 70°C)

Coax Master Unit

The CXMU provides the modem functionality and RF interface to the HFC transport system It delivers unmatched bandwidth efficiency, trunk group sizing and RF concentration with no additional bandwidth requirements for channel hopping Utilizing QAM and OFDM, it provides more revenue per 6 MHz channel

by supporting any level of POTS type service to any subscriber take rate Superior natural immunity to impulse noise.

Features

• 240 DS0s per modem (64k channels)

• 3 working 3 protect cards per HDT

• 1 to 1 protection (unique to ADC)

• 1024 customer reference values (CRVs) per CXMU

• 6 MHz channel (5 MHz working, 1 MHz guardband) adjustable in 2 MHz steps

• 512 ISU hardware addresses per CXMU

• 3072 phone numbers (CRVs) per HDT

• Two LEDs located on the front of the CXMU (Active and Fail)

CXMU Coax Master Unit

For additional information and assistance in system configuration, please contact ADC.

Plug-in card to the HDT-CXMU labeled slots

16 watts per unit (maximum)

100 ft (30.5 m) maximumSMB

6 MHz per modem; 620-774 MHz

6 MHz per modem; 18-42 MHz useable, 5-45 operational

140 BTU/hour, maximum32°F to 95°F (0°C to 35°C)32°F to 120°F (0°C to 50°C)40°F to 158°F (40°C to 70°C)

20% to 80%

5% to 95%

UL 94 V-1 or better

Shelf Control Unit

Provides all operation, administration, management and provisioning (OAMP) functions in the system Provides monitoring and control functions for the HDT and for other telephony network elements.

Processes all communications between the network element manager and the telephony network elements.

Features

• A second SCNU can be installed to provide protection

• Front LEDs include: Fail, Active, Critical, Major, Minor, ACO

• Front switches include: ACO, Lamp Test, and Reset

SCNU Shelf Control Unit - TR-303

For additional information and assistance in system configuration, please contact ADC.

Plug-in card to the HDT-SCNU labeled slots

8 watts per unit (maximum)

140 BTU/hour, maximum32°F to 95°F (0°C to 35°C)32°F to 120°F (0°C to 50°C)40°F to 158°F (40°C to 70°C)

20% to 80%

5% to 95%

UL 94 V-1 or better

Protection Switch and Test Unit

The protection switch and test unit (PSTU) provides digital network interface unit (DNIU) protection switching functions Should a DNIU failure occur, the SCNU detects the failure and signals the protection DNIU which directs the PSTU to switch the four DS1 lines of the failed DNIU to the protection DNIU.

Features

• One card per shelf

• Less than 50 msec protection switching time on all HDT cards

• Two LEDs located on front of the card (Fail, Active)

PSTU Protection Switch and Test Unit

For additional information and assistance in system configuration, please contact ADC.

Plug-in card to the HDT-PSTU labeled slots

2 watts per unit (maximum)

140 BTU/hour, maximum32°F to 95°F (0°C to 35°C)32°F to 120°F (0°C to 50°C)40°F to 158°F (40°C to 70°C)

20% to 80%

5% to 95%

UL 94 V-1 or better

Power Supply Unit

ADC’s PWRU plug-in unit is a switcher-type power supply that converts -48 VDC power into the voltages needed by the various HDT plug-in units These voltages are distributed to the plug-in units via the HDT shelf backplane Two PWRU units (A and B) are typically installed to share the load and to provide protection in case one unit should fail There are two LEDs on the PWRU front panel that indicate unit status.

Features

• Two, load sharing, PWRUs per HDT

• Each PWRU can support the HDT if the other fails

• The HDT chassis requires two battery feeds, one for each PWRU

PWRU Power Supply Unit

For additional information and assistance in system configuration, please contact ADC.

Plug in card to the HDT-PWRU labeled slot

6 watts per unit (maximum)

140 BTU/hour, maximum32°F to 95°F (0°C to 35°C)32°F to 120°F (0°C to 50°C)40°F to 158°F (40°C to 70°C)

HISU Home Integrated Services Unit

Carrier-class cable telephony is delivered to the customer premise by ADC’s Home Integrated Services Unit (HISU), optimized for service delivery to individual homes The HISU connects to the HFC network

to provide the analog voice and video interface to the subscriber.

This attractive, wall-mounted outdoor enclosure is available in two line or four line versions Powered

by network or local power, with a patent-pending slide switch for field-selectable choice of coax or twisted pair, the HISU offers ultimate flexibility in network design.

Features

• HISU orderable with two or four POTS lines

• One-step provisioning for quick and easy installation

• Remote video on/off control from the NOC

• Configurations support coax or twisted pair, network

or local power inputs

• 620 - 774 MHz downstream frequency

HISU Home Integrated Services Unit

Ideal for the Residential Market

The HISU is ideally suited for the residential market singlefamily homes, duplexes, and townhouses needing up to four lines of telephony, plus cable TV as desired The HISU is also an excellent fit to service the needs of the business SOHO market - small office and home office.

-One-step provisioning allows customers to be brought online with minimal resources and time, and the HIS’s video on/off control offers easy management and control of subscriber services Its double-door security allows customer access to the RJ11 test jacks and the customer inside wire terminations, but not

to CATV, power termination, or electronics.

Installation and troubleshooting is simplified with the POTS circuit test and drop test diagnostics The HISU has extended receiver sensitivity and transmitter dynamic range for added performance in challenging network environments In addition, the HISU supports subscribers up to 100 miles away from the headend, increasing its serviceable market reach Continued performance is assured with the best lightning protection in the industry.

• Remote firmware download capability

• Immunity to upstream RF outages up to 10

seconds, and downstream up to 5 seconds

• Remote video on/off control

• Double door security

• Configurations support coax or twisted

pair, network or local power inputs

• Support for ISUs at distances 100 miles

away from the HDT

• Extended receiver sensitivity and

transmitter dynamic range

• POTS circuit test and drop test diagnostics

• Outdoor weather-resistant design with

excellent lightning protection

Benefits

• Match service offering to subscribers’ needs

• Quick and effortless installation

• Select the best service for thenetwork’s environment

• Manage bandwidth allocation to meet needs

• Upgrade ISUs easily from a central NOC

• ISUs remain in service through short-term plantimpairments or maintenance activity

• Easy management and control of subscriber services

• Subscriber access only to those components needed

• Flexibility in network design

• More subscribers in serviceable market

• ISU supports a broader environment

• Simplified installation and troubleshooting

• Stability in adverse conditions

HISU Home Integrated Services Unit

Dual Terminal Block Module Supports Two Lines of Telephony

The Dual Terminal Block Module (DTBM) terminates two lines of telephony, and is designed

for fast, efficient connection of telephone wiring The Protected Dual Terminal Block Module

(PDTBM) provides the same function as the DTBM, but also includes lightning protection for

surges coming through the subscriber side of the ISU wiring.

Features

• Easy to use screw terminals

• Multiple wire pairs per terminal

• Multiple gauge wire supported

• Subscriber line lightning protection

Benefits

• Quick installation

• Flexibility for various environments

• Accommodating to various standards within newerand older housing

• Added protection above and beyond NEC 830 codefor problematic installation sites

Dual POTS Service Module Enables Easy Upgrade to 4 Lines

The Dual POTS Service Module (DPSM) enables service providers to deploy two additional lines of telephone service to existing telephony subscribers who have pre-version 3.0 HISUs This module simply plugs into the HISU, and supports a second Dual Terminal Block Module for the two additional lines And with its hot plug-in design, there’s no impact to existing service.

Features

• Fast and effortless installation of two

additional lines of POTS service

• Self-recognizing on the network

• Field-upgradable hot plug-in

Upstream Transmitter RF Power

Downstream RF Receiver Sensitivity

Downstream Passband

Upstream Passband

Insertion Loss (network connector)

Power Input

Power Consumption - typical

2-line unit, all lines on-hook 2-line unit, one line off-hook 2-line unit, two lines off-hook 4-line unit, all lines on-hook 4-line unit, two lines off-hook 4-line unit, four lines off-hook PHYSICAL

ENVIRONMENTAL

Temperature

Operating Storage Safety

UL Certification Lightning Surge Protection

A- Input Power Port B- RF/Input Power Combined Port C- Telecommunication Port EMC

Emissions Immunity

2 or 4 POTS lines

-4 to +32 dBmV (per DS0)-30 to +2 dBmV (per DS0)

620 to 774 MHz

18 to 42 MHz

< 3.1 dB typical to 860 MHz

60 or 90 VAC 50/60 Hz, +/-48 VDC nominal3.0 W

4.7 W5.7 W3.35 W6.0 W8.0 W

11.4" x 9.5" x 4.0"

5.1 lbs

Wall, indoor/outdoorFemale “F” RF & power combinedFemale “F” RF & separate twisted pair powerScrew terminals

-40° to +46° C ambient plus full solar load-40° to 60° C

UL 1950/IEC 950, UL 1697, UL 497, UL 1459GR-1089-CORE, CE Mark

UL/IEC 1950UL/IEC 1950GR-1089-CORE (Second Level)FCC Part 15 B, EN 55022 B

EN 61000-4-2, EN 61000-4-3, EN 61000-4-4,

EN 61000-4-5, EN 61000-4-6, EN 61000-4-8,

EN 61000-4-11, GR-1089-CORE

Inline HISU with 2 POTS lines

Inline HISU with 4 POTS lines

Two line expansion for pre-version 3.0 HISUs

Dual Terminal Block Module

Protected Dual Terminal Block Module

RF Terminal Block Module

CPE Terminal Block Module

For assistance with system configuration, please contact ADC.

MISU-16 Multi-dwelling Integrated Services Unit

Carrier-class cable telephony is delivered to the customer premise by the MISU-16 Multi-dwelling Integrated Services Unit, providing access to complete telecommunications services for medium-density residential and

to provide the analog voice interface to the subscriber.

The modular design of the MISU-16 offers total customer flexibility in telephony services at a smaller footprint per subscriber The MISU-16 supports 4, 8, 12, or 16 POTS lines through the Quad POTS Modem Units (QPMU).

Features

• The modular design of the MISU-16 supports up to 16 POTS lines

• Power options include network powering over coax or twisted pair, or local power

• Optional integrated 66-type terminal block for subscriber POTS

• RF monitor port provides quick indication of RF signal in both downstream and

upstream directions

• POTS circuit test and drop test diagnostics