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  2. Ethernet over SDH - Wikipedia

    en.wikipedia.org/wiki/Ethernet_over_SDH

    The SDH paths may be VC-4, VC-3, VC-12 or VC-11 paths. Up to 64 VC-11 or VC-12 paths can be concatenated together to form a single larger virtually concatenated group. Up to 256 VC-3 or VC-4 paths can be concatenated together to form a single larger virtually concatenated group. The paths within a group are referred to as "members".

  3. EoPoS is a standardized method for transporting native Ethernet frames over a SONET/SDH network, by first mapping into one or more PDH tributaries such as T1, E1, or DS3. The tributaries can then be dropped from a legacy ADM , delivered to the customer premises, and the PDH links resolved back to an Ethernet connection by a piece of equipment ...

  4. Synchronous optical networking - Wikipedia

    en.wikipedia.org/wiki/Synchronous_optical_networking

    The Synchronous Transport Module, level 1 (STM-1) frame is the basic transmission format for SDH—the first level of the synchronous digital hierarchy. The STM-1 frame is transmitted in exactly 125 μs, therefore, there are 8,000 frames per second on a 155.52 Mbit/s OC-3 fiber-optic circuit.

  5. Small Form-factor Pluggable - Wikipedia

    en.wikipedia.org/wiki/Small_Form-factor_Pluggable

    It is a slightly larger version than the QSFP form factor allowing for larger power outputs. The OSFP standard was initially announced in 2016 [15] with the 4.0 version released in 2021 allowing for 800 Gbit/s via 8× 100 Gbit/s electrical data lanes. [16] Its proponents say a low-cost adapter will allow for backwards compatibility with QSFP ...

  6. Ethernet physical layer - Wikipedia

    en.wikipedia.org/wiki/Ethernet_physical_layer

    An Ethernet standard capable of 200 and 400 Gbit/s is defined in IEEE 802.3bs-2017. [26] 1 Tbit/s may be a further goal. [27] In May 2018, IEEE 802.3 started the 802.3ck task force to develop standards for 100, 200, and 400 Gbit/s PHYs and attachment unit interfaces (AUI) using 100 Gbit/s lanes. [24] The new standards were approved in September ...

  7. Subnetwork connection protection - Wikipedia

    en.wikipedia.org/wiki/Subnetwork_Connection...

    In telecommunications, subnetwork connection protection (SNCP), is a type of protection mechanism associated with synchronous optical networks such as synchronous digital hierarchy (SDH). SNCP is a dedicated (1+1) protection mechanism for SDH network spans which may be deployed in ring, point to point or mesh topologies .

  8. Optical transport network - Wikipedia

    en.wikipedia.org/wiki/Optical_transport_network

    Transports a 10 Gigabit Ethernet local area network (LAN) PHY coming from IP/Ethernet switches and routers at full line rate (10.3 Gbit/s). This is specified in G.Sup43. 8 4 1 1 0 0 0 0 OTU25 25 26.4 Transports a 25 Gigabit Ethernet signal 20 10 2 2 1 0 0 0 OTU3 40 43 Transports an OC-768 or STM-256 signal or a 40 Gigabit Ethernet signal. [5 ...

  9. HomePlug - Wikipedia

    en.wikipedia.org/wiki/HomePlug

    Founded in 2000, the HomePlug Powerline Alliance's goal was to create a standard to use existing home electrical wiring to communicate between products and connect to the Internet. [2] The first HomePlug specification HomePlug 1.0 was released in June 2001.