The Dial Restoral option offers complete flexibility in all areas of user application recovery. Dial Restoral provides automated, single-call, point-to-point and multipoint restoral over either the ISDN BRI network, the two-wire Public Switched Telephone Network (PSTN), two-wire Switched 56 Digital Network, or four-wire Switched 56 Digital Network.

Point-to-point restoral is accomplished using an integral Dial Backup Module (DBM). Dial line rates supported for the ISDN BRI connection include full duplex, 56, 000 or 64, 000 bps operation. Dial line rates supported for the PSTN connection include full duplex, 14, 400 bps, 12, 000 bps, 9, 600 bps, 4, 800 bps, or 2, 400 bps operation. The dial restoral connection can be controlled by the COMSPHERE 6700 Series NMS, the Shared Diagnostic Control Panel (SDCP), or the COMSPHERE 3610 front panel. While in dial restoral mode, the DSU automatically looks back to the digital facility and evaluates its health, switching back as soon as service is restored. This automatic "lookback" feature helps minimize line costs by eliminating extended long-distance line charges once the digital facility becomes operational again. Networks requiring continuous availability can now attain uptime goals without dedicated around-the-clock staffing at the network control center. An automated dial tone test during non-usage periods informs network operations if the dial restoral circuit is disconnected. This eliminates the requirement for expensive and time-consuming manual testing of dial restoral circuits by network operations. In addition to its automatic restoral capabilities, the versatile Dial Restoral Option features password and call-back security. When enabled, these security options prevent unauthorized access and ensure integrity of the digital facility. A 10-number directory is capable of selecting alternative destinations for the automated dial restoral process, as well as call-back numbers for security.

MSRP	$850.00
Our Price	$523.38
Availability as of 3:46am 11/21/2009	Special Order. Allow approximately 2-3 weeks for delivery. Click to Verify Price and Stock
Condition	New and Factory Sealed
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Quantity
Payments as low as $16 a month. details...