ADTRAN has become a supplier of local loop access and deployment products for fiber, DS3, T1/E1, wireless T1/E1, Digital Subscriber Line (HDSL, HDSL2, HDSL4, SDSL, SHDSL), Frame Relay, Asynchronous Transfer Mode (ATM), Integrated Services Digital Network (ISDN), and Digital Data Service (DDS) digital services.
At the DS3 signal level, the intermediate element receiving an errored signal replaces the errored channel data with a signal consisting of a valid DS-3 frame with the overhead bits (the M-subframe alignments bits, M-frame alignment bits, and P bits) with the payload set to a 1010..
This type of multiplexing is needed when the customer wants to terminate the DS1 or DS3 in the central office and wants to ‘pick up’ lower level services.
EarthLink Business Services include connectivity (MPLS, T-1, DS3, DSL, Ethernet, Wireless), IT services (cloud hosting, virtualization, data and voice CPE, IT security, managed services, ASP Web hosting), and wholesale services (fiber capacity and network services).
In-kind contributions from sponsors included the first DS3 over the Pacific Ocean and two terabytes of disk drives.
As of March 30, 2011, GeoQuote can provide pricing of the following telcom products: cable high-speed internet, business DSL, data T1, bonded T1, data DS3, wireless 3G, local voice / PRI, integrated voice/data, integrated SIP, long distance T1/DS3, and Ethernet over copper.
DS3 |
The DS3 features prominently in the video for the Pixie Lott song "What Do You Take Me For".
Fiber media converters support many different data communication protocols including Ethernet, Fast Ethernet, Gigabit Ethernet, T1/E1/J1, DS3/E3, as well as multiple cabling types such as coax, twisted pair, multi-mode and single-mode fiber optics.
In 2013, he competed in the WRC-3 championship, driving a Citröen DS3 R3T.