Hardened, NEBS3 and UL compliant, this two-slot, 1RU management shelf is the only product of its kind that can manage up to 56 HDSLx circuits from one stand-alone shelf.. Suitable for ei
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Manages up to 56 HDSLx Circuits from One Stand-Alone Shelf
The HiGain Retrofit Management Shelf (HRM-238) is designed for outdoor remote cabinets such
as DLCs or Central Office (CO) environments Hardened, NEBS3 and UL compliant, this two-slot, 1RU management shelf is the only product of its kind that can manage up to 56 HDSLx circuits from one stand-alone shelf Suitable for either 19- or 23-inch equipment racks, the HRM-238 accommodates up to two HiGain management units (HMU-319s) The management shelf enables local and remote management of legacy and new HiGain line units in 220, 3192 (ADC, Adtran, Charles Industry, Wescom) and Lucent DDM+ (Lucent, Larus) type shelves Each
HMU-319 management unit in the HRM-238 shelf can manage up to 28 line units each Up to 56 HiGain line units (two 3192, two DDM+, or four 220-type shelves) can be managed when both slots of the HRM-238 shelf are populated Up to 32 HMU-319 management cards can be hubbed together and managed via the management shelf's 10Base2 interface on the same network Remote access is provided via RS-232, X.25, 10BaseT, or 10Base2 interfaces
FEATURES
• 50-pin Amp-type connector for connection between the management units in the HRM-238 shelf and previously unmanaged HiGain line units (one wire per line card slot) in 220, 3192, or DDM+ mechanics shelves
• DB-25 and DB-9 connectors for connection to a computer, terminal, modem, or ThinMux (M13)
• 10BaseT (RJ-45) and 10Base2 (BNC) LAN connectors for remote network management
• Screw-type terminals for A and B -48 Vdc power connection and grounding
• Wire-wrap pins to monitor alarm relay activity (46 total, 23 per HMU)
• OSP hardened with an operational temperature range -40° C to +65° C
• 19-inch or 23-inch rack mount with variable recess
• Compact, stackable, horizontally ventilated, 1RU height design
• NEBS3 Compliant
• UL-60950 Compliant
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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 orfeatures contained herein may be covered by one or more U.S or foreign patents An Equal Opportunity Employer
102485AE 3/06 Original © 2005 ADC Telecommunications, Inc All Rights Reserved
INTERFACES
• A and B side 96pin DIN slots for HMU-319s
• A and B side 50pin male Amphenol (Champ) connector provides connection from the HRM-238 shelf for the HMU-319 management unit to each individual line card that they manage
• A and B side DB-25 connector provides a RS-232/X.25 connection to a terminal, computer, modem,
or switch for remote management
• A and B side DB-9 connector provides an auxiliary connection to a terminal or computer for local or remote management or to allow management of an ADC ThinMux (M13) multiplexer
• Terminal Block with Frame Ground, redundant A and B -48V Battery, and Battery Return connectors
to each management unit
• A and B side wire wrap pins (23 per side) Alarm Relay Pins
• A and B side BNC connectors provide a 10Base2 connection to a LAN for remote management
• A and B side RJ-45 connectors provide a 10BaseT connection to a LAN for remote management
O r d e r i n g I n f o r m a t i o n
Specifications
ElECTRICAl
Power Requirements: Maximum power 10.0 Watts
CO Supply: -48 Vdc nominal (-42.5 Vdc to -56.5 Vdc)
PhySICAl
Capacity: 2 management modules (HMU-319)
Dimensions: (hxWxD): 1.75" (4.39 cm) x 17" (43.18 cm), x 12" (30.48 cm)
OPERATIONAl ENvIRONMENT
Temperature: -40ºC to +65ºC (-40º F to 149ºF)
humidity: 5 to 95% (non-condensing)
Altitude: 200 ft below sea level to 13,000 ft above sea level
STORAgE ENvIRONMENT
Temperature: -40ºC to +70ºC (-40º F to 158ºF)
humidity: 5 to 95% (non-condensing)