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LRS-52 Managed SHDSL Modem Rack  from RAD

LRS-52 from RAD is a managed SHDSL modem rack, operating in full-duplex mode over 2-wire and 4-wire lines. Multiple data rates in the range of 64 to 4608 kbps are supported. The data rate depends on the line interface, DTE interface types, and operating clock modes.

LRS-52 employs standard SHDSL TC-PAM technology to extend the transmission range (see Table 1 on data sheet),
enabling carriers to reach more customers at lower costs.

The LRS-52 is available with the following DTE interfaces: V.35 , X.21 , G.703 / G.704 , E1
2-wire units include up to 24 DTE ports, 4-wire units include up to 12 DTE ports.
Control and monitoring of the remote units is performed via an Embedded Operation Channel (EOC) for the LRS-52. The management channel operates without interfering with the data transmission, in compliance with ITU-T G.991.2 requirements.

LRS-52 operates in a CO (central office) mode with the following timing options:
Internal – All ports operate in CO mode and receive clocking from a built-in oscillator
External – All ports operate in CO mode and receive clocking from adjacent DTEs
Station Square – All ports operate in CO mode and receive RS-422 square-wave signals from an external dedicated station clock source
Station G.703 – All ports operate in CO mode and receive G.703 unframed “all 1s” signals from an external dedicated station clock source
Mixed – All ports operate in CO mode, and each of them can be individually set to operate with a master clock (internal or station) or an external clock. Each 4-wire line port can be configured to operate over 2-wire lines.

The minor and major alarms are relayed to a remote alarm device via dedicated pins of the DB-15 rear panel station clock connector.

Supervision and configuration activities are performed using ASCII terminals, IP hosts using the Telnet protocol, or RADview-EMS – a Java-based, modular, client-server, scalable element management system, providing secure configuration and fault management capabilities.

One of the Ethernet management ports is configured for direct hub connection. The other Ethernet port is configured for LAN cross-connection. Several units can be managed by daisy-chaining their Ethernet ports.

LRS-52 Comprehensive diagnostic capabilities include:
Real-time alarms to alert user on fault conditions
V.54 local analog and remote digital loopbacks
SHDSL and E1 statistics collection for 15-minute and day intervals

LRS-52 Managed SHDSL Modem Rack product data sheet (pdf)

Immediate price quote - Call 727-398-5252 or e-mail cs@bestdatasource.com

Don't forget to ask about  RADCare support for your RAD products.

Other RAD sections of interest:
RAD Accessories, RAD ATM products, RAD Baseband modems and last mile access, RAD Cables & Misc, RAD Digital Service Access Devices ( FCD ), RAD Fiber Optic modems and Converters, RAD IP and Ethernet Access, RAD Kilomux Data, Voice, Fax and LAN integrating Multiplexers, RAD LRS Modem rackRAD MegaplexRAD Networks Management, RAD Optimux Fiber MultiplexersRAD Sharing Devices, RAD Short Range ModemsRAD T1/E1 Digital Cross Connects ( DACS ), RAD T1/E1 Digital Cross Connect (DACS) for single E1 / T1 applications, RAD TDMoIP, RAD Voice Interface Converters, RAD Voice Trunking Gateway

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Last modified: January 17, 2015
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