We exclusively offer FedEx Ground Shipping for all your purchases with Startechtel.com. We promise speedy delivery, offering FedEx shipping, and getting your orders out the door as fast as possible (usually same day). We primarily ship using FedEx Ground service, however we reserve the right to ship any other standard (or other) method. Business-day standard shipping orders placed by 2:00 pm PST usually ship the same day.
Covid-19 & Returns: Due to Covid-19, certain manufacturers we carry are no longer accepting returns on their products until further notice and they are only offering replacements if an item is not working. Please feel free to contact us via phone or email to confirm the return policy on any item you might be interested in before purchasing on our website.
- 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
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.