Zhone Technologies has added optional IP Video decoders to its line of residential gateways for PONs. By integrating the IP video decoder, the Zhone Residential Gateways (ZRGs), which may be installed either inside or outside the home, allow carriers to deliver multiple video streams to televisions throughout the home using existing in-home coax wiring. Use of in-home wiring not only eliminates costly, disruptive and time consuming recabling, but also eliminates the need for external set top boxes or modems. Video delivery over Ethernet using third-party set-top boxes is also available as an option. The gateways are available with either RF or IP video distribution .RF video employs B-PON (ITU-T G.983.3 Enhancement Band RF) signals, demodulated at the ZRG for delivery over coax to subscriber TVs.
The gateways also feature integrated voice functions with up to four lines of POTS service using either VoATM or VoIP, with standard SIP or MGCP signaling. A 2-port 10/100B-T Ethernet interface with advanced IP features provides direct access to Internet and private data services on one port, with a separate port providing IP video services to high-end external set top boxes. The gateways are available as PON Optical Network Terminal/Units (ONT/ONU) for use in fiber-to-the-premises (FTTP) or copper based units for fiber-to-the-curb (FTTC) networks.
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