ADTRAN Dial Backup Interface Module serial adapter

The DCE DBU Module connects the IQ 710 to an external DBU device such as an ISDN terminal adapter. The DTR signal lead is used to initiate dial backup through the DCE DBU Module. The IQ 710 supports up to 512 kbps of backup service using the DCE DBU Module. PRODUCT FEATURES: Provides high-speed dial backup rates when used in the IQ 710; Requires use of external DCE device; DB-25 interface that supports EIA-232 or V.35 (requires 1200193L1 Male or 1200194L1 Female Adapter Cable).