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USER MANUAL
HiGain
DOUBLER
HDU-409
L
HDU-409 Lists 1, 2, and 3 Doubler
STATUS
Product Catalog: HDU-409-L1,
HDU-409-L2, HDU-409-L3
CLEI: T1R6AE0C, T1R6AEDC,
T1R6X50E
H0077-A
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LTPH-UM-1234-01 Revision History of This Manual To order copies of this manual, use document catalog number LTPH-UM-1234-01. Issue Release Date Revisions Made 01 April 29, 1998 Initial release of 150-409-100-01. 02 June 24, 1998 Modified front panel and cover. Changed deployment rules. (150-409-100-02) 03 July 14, 1998 Corrected CLEI Code. (150-409-100-03) 04 December 18, 1998 Corrected CLEI Code; new LED indication for margins. (150-409-100-04) 05 December 13, 1999 Added PG-Flex Fault appli
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LTPH-UM-1234-01 Using This Manual USING THIS MANUAL The following conventions are used in this manual: • Monospace type indicates screen text. Keys you press are indicated by small icons such as Y or ENTER . Key combinations to be pressed simultaneously are indicated with a plus sign as follows: CTRL + ESC . Items you select are in bold. The following types of messages, identified by icons, may be included in text: Notes provide information about special circumstances. General cautions ind
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Unpack and Inspect Your Shipment LTPH-UM-1234-01 UNPACK AND INSPECT YOUR SHIPMENT Upon receipt of the equipment: Unpack each container and inspect the contents for signs of damage. If the equipment has been damaged in transit, immediately report the extent of damage to the transportation company and to ADC DSL Systems, Inc. Order replacement equipment, if necessary. Check the packing list to ensure complete and accurate shipment of each listed item. If the shipment is short or irregular,
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LTPH-UM-1234-01 Table of Contents TABLE OF CONTENTS Overview _______________________________________________ 1 Features ________________________________________________ 2 Product Description ______________________________________ 3 Applications ____________________________________________ 6 PG-Flex Deployment _____________________________________ 7 Generic Information______________________________________ 9 Doubler Enclosure Capacities with Full Solar Load................ 9 Alternative Doubler E
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List of Figures LTPH-UM-1234-01 LIST OF FIGURES 1. HDU-409 Front Panel ...........................................................................3 2. Typical HDU Installation with PG-Flex ...............................................7 3. Two Doubler HDU Installation with PG-Flex ......................................8 4. AT&T 819 Enclosure, Slot Locations 1 through 14 ...........................17 5. Installing the HDU-409 in an Enclosure .............................................20 6. HiG
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LTPH-UM-1234-01 Overview OVERVIEW ® ® The ADC HiGain HDU-409 Lists 1, 2, and 3 are low-power doubler units that extend the range of a HiGain repeaterless T1 transmission system. The doubler units are installed between any doubler-compatible HiGain Line Unit (HLU) and a HiGain Doubler Unit (HDU) or HiGain Remote Unit (HRU). Each doubler allows 1.544 Mbps transmission over an additional Carrier Serving Area (CSA) range. Each CSA with one doubler encompasses approximately 24,000 feet (7.3 km)
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Features LTPH-UM-1234-01 FEATURES The unit occupies one standard 239 T1 mechanics slot. Powered by any doubler-compatible HiGain or PG-Flex (List 2 or List 3 only) Central Office (CO) line unit. Front-panel status display Light Emitting Diode (LED). Lightning and power-cross protection on both sides of the High-bit-rate Digital Subscriber Line (HDSL) interface. Extremely low power dissipation. Extremely low latency. Can be used in four-span line-powered circuits (three doublers a
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LTPH-UM-1234-01 Product Description PRODUCT DESCRIPTION The open-framed cover reduces thermal stress and improves reliability, allowing air to freely circulate over all components. The open cover also permits the doubler to be easily distinguished from the 239 T1 repeater. Figure 1 on page 3 shows the front panel of the HDU-409 and Table 1 on page 4 describes the doubler unit components and labels. Configuration number label HiGain (located on top) DOUBLER HDU-409 List number L Status LED STA
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Product Description LTPH-UM-1234-01 Table 1. Front Panel Components and Labels Name Function Status LED Indicates operational status of doubler (see Table 2 on page 5). CLEI/ECI Bar Contains human-readable Common Language Equipment Code Label Identifier (CLEI) code number and Equipment Catalog Item (ECI) bar code number. Configuration For some products the configuration number may contain number either a five- or six-digit warranty configuration number or a stand-alone two- or three-digit c
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LTPH-UM-1234-01 Product Description Table 2. Front Panel Status Indicator LED LED Description Flashing Red about Indicates an HDSL Cyclic Redundancy Check (CRC) error has once per second occurred between the HDU-409 and the upstream module. Flashing Red rapidly Indicates an HDSL CRC error has occurred between the HDU-409 and the downstream module. Flashing Yellow about Indicates a Network Doubler Unit (NDU) loopback is in effect in once per second the HDU-409 towards the network. This tests th
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Applications LTPH-UM-1234-01 APPLICATIONS HiGain doublers operate with any number of other T1, Plain Old Telephone System (POTS), Digital Data Service (DDS), or other HiGain systems sharing the same cable binder group. The HDU-409 can be used in two- to five-span circuits, depending on the models of the HLU and HRU being used with the doubler units and the power option chosen for the HRU. The number of doublers is equal to one less than the number of spans as shown in Figure 6 on page 24.
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LTPH-UM-1234-01 PG-Flex Deployment PG-FLEX DEPLOYMENT Figure 2 shows a typical HDU-409 List 2 or List 3 installation for the PG-Flex subscriber carrier system. For each doubler installed between the PG-Flex Central Office Terminal (COT) and Remote Terminal (RT), two auxiliary power pairs are required between the COT and RT. A maximum of two doublers may be installed in a PG-Flex system. Auxiliary Power Pairs Span 2 Span 1 HDU-409 PG-Flex PG-Flex Doubler COT RT HDSL HDSL 9,000' 26 AWG 9,000'
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PG-Flex Deployment LTPH-UM-1234-01 With two doublers, four sets of auxiliary power pairs must be installed between COT and the RT. These auxiliary power pairs must be the same wire gauge (or larger) as the pairs used for HDSL and power. Auxiliary Power Pairs Doubler 1 Doubler 2 PG-Flex Span 1 Span 2 Span 3 PG-Flex HDU-409 L2 HDU-409-L2 COT HDSL HDSL HDSL RT HDU-409-L3 HDU-409-L3 H0075-A Figure 3. Two Doubler HDU Installation with PG-Flex PG-Flex systems do not support doubler loopbacks. The P
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LTPH-UM-1234-01 Generic Information GENERIC INFORMATION This section provides generic information for both the HiGain and PG-Flex applications. DOUBLER ENCLOSURE CAPACITIES WITH FULL SOLAR LOAD The physical location of the doublers is driven by the following three deployment rules: 1 Place the enclosures at the electrical limits (35 dB) of each span. This places the first doubler at the 35 dB location and the second at 70 dB and so on. This allows the maximum circuit range to be realized. C
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Generic Information LTPH-UM-1234-01 3 This rule minimizes power consumption and dissipation from the HLU providing doubler power. It requires the spans closer to the HLU to be as short as possible and the spans farther from the HLU to be as long as 2 possible. This choice minimizes the I R loss in the cable pairs and reduces the thermal stress on the HLU. Only those HRUs that have a local powering option can be used in local HRU-powered applications. The HDU-409 can be housed in a variety o
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LTPH-UM-1234-01 Generic Information 1 Always leave at least one empty slot between adjacent doublers. The adjacency rule only applies to the left and right sides of the doubler. The top of one unit can be adjacent to the bottom of another, but should be avoided. Rule 1 does not apply to the HRE-819, the Keptel RF 819, and all enclosures listed in Table 5 on page 12 with Universal Card Cage enclosures. These products have the required slot separations built into their design. 2 Allow as muc
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Generic Information LTPH-UM-1234-01 Table 5. Capacities with Full Solar Load, 239 T1 Repeaters Recommended HDU-409 239 T1 Slot Vendor Description Model No. Doubler Repeater Assignment for Capacity Capacity Maximum Capacity AT&T Outdoor dual 819 14 25 1, 3, 5, 7, 8, 10, chamber 12, 14, 15, 17, pole/wall 19, 21, 23, 25 mount (See Figure 4) Outdoor 841 27A, B, C or D 13 per 25 per All odd slots cabinet shelf shelf/ shelf/ 52 total 100 total (a) Outdoor 809 6 12 cabinet (a) ALCATEL Outdoor 6
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LTPH-UM-1234-01 Generic Information Table 5. Capacities with Full Solar Load, 239 T1 Repeaters (Continued) Recommended HDU-409 239 T1 Slot Vendor Description Model No. Doubler Repeater Assignment for Capacity Capacity Maximum Capacity ABACON Outdoor dual HDSL 16 14 16 All slots but chamber 1 and 16 pole/wall mount SPC Outdoor 7130-08FP 4 8 1, 3, 6, 8 or 2, 4, canister, 5, 7 pole/wall (a) 7130-12FP 6 12 mount 7130-25FP 10 25 All odd slots from 1-19 Outdoor 7130-0656P-TA 6 6 All slots ca
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Generic Information LTPH-UM-1234-01 Table 5. Capacities with Full Solar Load, 239 T1 Repeaters (Continued) Recommended HDU-409 239 T1 Slot Vendor Description Model No. Doubler Repeater Assignment for Capacity Capacity Maximum Capacity SPC Dual dome 7030-24P-UNIV- 24 24 All slots outdoor HORZ-TQA canister wall 7030-24P-UNIV- mount with HORZ-TQB2 universal card cage 7030-32P-UNIV- 24 32 Any 12 in each HORZ-TQA chamber ADC Outdoor HRE-458 10 10 All slots canister, pole/wall mount with un
