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AtlasPhones has maintained our status as the customer service leader in the Business Telecom Industry since 1998 - 5-Star Rated by Yahoo! Shopping Network - Same Day Shipping - Ultra Competitive Prices - AtlasPhones Warranty - Secure Online Ordering - Free Technical Support - Huge Inventory - Free Ground Shipping* In Continental U.S.A. - "The Trusted Source" TN776 Expansion Interface (for R6 or earlier si) - Like New
TN776 Expansion Interface (for R6 or earlier si)
Features:
- Connected to the Time Division Multiplexing (TDM) bus in one Port Network (PN) is an interface between that PN and the TDM bus extended to another PN
- Packages the TDM control channel with Link Access Procedure on the D-channel (LAPD) for transmission over the fiber link between cabinets
- Provides the time-slot interchange between cabinets
- A system with ASAI/BRI or with PRI signaling for the packet bus (PACCON) requires a TN570B/C EI circuit pack in place of a TN776 circuit pack
- Replace by TN570B/C in R7si and later
- One Year Warranty
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