Multiport DBU User Manual (Rev A) (November 1995)

The Dial Backup (DBU) Interface Option Module is one of the option modules available for use with the ADTRAN TSU 100/600. This manual provides installation, operation, and configuration instructions.

Multiport DBU User Manual (Rev A) (November 1995)

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Multiport DBU User Manual (Rev A) (November 1995)