DSU III DBU User Manual (Rev G)

The ADTRAN DSU III DBU (dial backup data service unit) provides a reliable, high-speed data connection for customer data terminal equipment (DTE) through digital data service (DDS) lines. The DSU III DBU provides automatic dial backup of the dedicated circuit. This manual provides an overview of the installation, operation, and configuration of the device.

DSU III DBU User Manual (Rev G)

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