HiGain® HDSL
Fast, Economical, Reliable, and Manageable T1 Deployment
Doubler Units Remote UnitLine Units
ADC’s HiGain® HDSL systems are used by telco providers worldwide to quickly, economically, and
reliably turn up high-speed data, voice and video services. HiGain HDSL provides transport of T1
service over two unconditioned copper pairs at distances up to 12,000 ft/3.6 km on 24 AWG
(0.5 mm) or 9,000 ft/2.7 km on 26 AWG (0.4 mm) per span (up to 5).
HiGain provides extensive diagnostics, including a 4-character real-time display. Because they
are available in a variety of mechanics (3192, 220, DDM+, LiteSpan, or 200/400) HiGain Line
Units (HLU) can be installed in existing managed or unmanaged CO shelves. When ADC HiGain
managed shelves (HMS) or HiGain Retrofit Managed Shelves (HRMS) are used, all configuration
and performance monitoring can be remotely performed by the Network Operations Center
(NOC).
HiGain Doubler Units (HDUs) allow HiGain systems to be used for applications outside the Carrier
Service Area (CSA), increasing the range by up to five times up to 60 Kft/18 Km on 24 AWG
(0.5 mm) or 45 Kft/13.5 Km on 26 AWG (0.4mm). Span equipment consists of HDUs that can
be deployed in the existing repeater enclosures or in remote enclosures for higher deployment
density and lower deployment costs. Outdoor enclosures from ADC are available for both above
and below ground installations.
ADC’s HiGain Remote Units (HRUs) are designed to install both indoors and outdoors in a variety
of remote enclosures, or on existing remote mountings on or near customer premises. They
operate as slaves to the HLU and incorporate loopback functions and LED indications for simple
Spec Sheet
installation and maintenance. The HRUs provide the industry-standard ANSI T1.403 interface
toward the customer.
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HDSL
DSX-1 DS1
Line Unit
(HLU)
Remote Unit
(HRU)
(-48 VDC Local
Power Required)
60 kft on 24 AWG
12 kft 12 kft 12 kft 12 kft 12 kft
HDU HDU HDU HDU
DSX-1 DS1
Line Unit
(HLU)
Remote Unit
(HRU)
48 kft on 24 AWG
12 kft 12 kft 12 kft 12 kft
HDU HDU HDU
®
HiGain® HDSL
Fast, Economical, Reliable and Manageable T1 Deployment
Features
• Up to 5-span reach [60 kft/18 km on 24 AWG (0.5mm) or 45 kft/13.5 km on 26 AWG (0.4mm)
see figures 1 and 2]
• Lowest power consumption and heat dissipation
• Low voltage (<140 VDC) powering of up to two spans (one doubler)
• Safest line powering (Class A2 or Class A3)
• Ultra-low system delay
• BPV transparency for copper-fed DLC support
• Stratum 1 clock capable
• Full compatibility with the installed base of HiGain systems
• Variety of industry-standard mechanics
• Front-panel craft ports, DSX-1 test access and status display and provisioning
• Comprehensive OAM&P data
• NEBS Level 3 and UL/CSA compliance
Description Catalog Number
HiGain
Central office line unit, “3192” mechanics HLU-319 L5
Central office line unit, “220” mechanics HLU-231 L8
Central office line unit, “DDM+” mechanics HLU-388 L5
Line unit for LiteSpan 2000, craft port managed, display, option buttons, test access jacks HLU-200 L3A
Central office line unit, 200/400 mechanics HLU-432 L1
Central office line unit, 200/400 mechanics with DS1 and HDSL lines reversed HLU-432 L2
Micro doubler, “239” mechanics, single-slot HDU-409 L2A
Micro doubler, “200” mechanics HDU-404 L2
Line/local powered, “200” mechanics HRU-402 L1
7/08 • 106669AE
Ordering Information
Figure 1: Up to 4-Span Extended Reach with all doublers and remotes line powered
Figure 2: 5-Span Extended Reach with doublers line powered and remote locally powered
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2
HDSL
®
HiGain® HDSL
Fast, Economical, Reliable and Manageable T1 Deployment
Specifications
HDSL TRANSMISSION
Line Code: 784 kbps 2B1Q
Transmission: dual-duplex
Media: two non-loaded two-wire metallic cable pairs
Output Signal: +13.5 dBm ±0.5 dB into 135Ω
Maximum Provisioning Loss: 35 dB @ 196 kHz, 135Ω
DSX-1 INTERFACE (CO SIDE)
Output Level: 6 Vpk-pk, pre-equalized for 0 - 655 ft of ABAM cable
Input Level: +1.5 to -7.5 db DSX
Impedance: 100Ω
Line Rate: 1.544 Mbps ±200 bps
Line Format: AMI, B8ZS or ZBTSI
Frame Format: ESF, SF and unframed
DS1 INTERFACE (REMOTE SIDE)
Output Level: 6 to -7.5 Vpk-pk
Input Level Sensitivity: > -22.5 dB
Line Rate: 1.544 Mbps ±200 bps
Line Format: AMI, B8ZS or ZBTSI
Frame Format: ESF, SF and unframed
Output Level: 0, -15 dB (selectable)
SYSTEM
One-way DS1 Delay: <200 μs (HLU and HRU) + <80 μs (HDU)
Wander (looped): 0.3 UI max (1 UI = 648 ns)
HiGain
7/08 • 106669AE
Wideband Jitter (looped): 0.2 UI max
Narrowband Jitter (looped): 0.1 UI max
REACH
Each Span: CSA design rules, e.g. 9 kft on 26 AWG or 12 kft on 24 AWG,
no load coils, bridged taps per CSA guidelines
Number of Spans: 5 total, 4 line powered
DSX-1 TEST ACCESS (CO SIDE)
“210” Bantam jacks: bridging, splitting/line, splitting/drop
DS1 TEST ACCESS (REMOTE SIDE)
“210” Bantam Jacks: bridging (monitor and test)
ALARMS
Fuse Open: LLOS, RLOS, LOSW, BER, margin, power feed short or ground
LOOPBACKS
Direction: NI, CI
Inband: generic HiGain, intelligent repeater, T1 standard
HiGain: activated from craft port (HLU and HRU),
system options buttons (HLU), or loopback button (HRU)
USER INTERFACES (CO SIDE)
Craft Port: RS-232 (DCE)
Front Panel: four-character display, status LED, system options buttons
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3
Specifications (Cont'd)
USER INTERFACES (REMOTE SIDE)
Craft Port: RS-232 (DCE)
Front Panel: status LEDs
PROVISIONABLE OPTIONS Equalization, SmartJack and special loopbacks, power feed
mode, T1 frame format, BER alarm threshold, loopback timeout,
alarm disable, DSX-1 line code, AIS on 1LP, AIS on SmartJack
NREM, DS0 blocking, RLOS alarm enable, alarm pattern, BPV
Transparency
LINE POWERING
Modes: Low, auto, high, disable
Line Voltage: ≤140 VDC or ±112 VDC
POWER
CO Supply: -48 VDC (nom.) (-42.5 VDC to -56.5 VDC)
ENVIRONMENTAL (OPERATING)
Humidity: 5% to 95% (non-condensing)
Temperature: -40°F to +149°F (-40°C to +65°C)
NEBS Compliance NEBS Level 3 Class A2 or A3 per GR-1089-CORE depending on
the operation mode Applicable Sections: GR-63-CORE, GR-499 CORE, GR-1089-CORE, SR-3580
Regulatory Compliance UL 1459, CSA, FCC Rules Part 15 Class A
Spec Sheet
Web Site: www.adc.com
From North America, Call Toll Free: 1-800-366-3891 • Outside of North America: +1-952-938-8080
Fax: +1-952-917-3237 • For a listing of ADC’s global sales office locations, please refer to our web site.
ADC Telecommunications, Inc., P.O. Box 1101, Minneapolis, Minnesota USA 55440-1101
Specifications published here are current as of the date of publication of this document. Because we are continuously
improving our products, ADC reserves the right to change specifications without prior notice. At any time, you may
verify product specifications by contacting our headquarters office in Minneapolis. ADC Telecommunications, Inc.
views its patent portfolio as an important corporate asset and vigorously enforces its patents. Products or features
contained herein may be covered by one or more U.S. or foreign patents. An Equal Opportunity Employer
106669AE 7/08 Original © 2008 ADC Telecommunications, Inc. All Rights Reserved
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