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2. Synchronous optical networking - Wikipedia

   en.wikipedia.org/wiki/Synchronous_optical_networking

   SONET/SDH is not a complete communications protocol in itself, but a transport protocol (not a "transport" in the OSI Model sense). Due to SONET/SDH's essential protocol neutrality and transport-oriented features, SONET/SDH was the choice for transporting the fixed length Asynchronous Transfer Mode (ATM) frames also known as cells. It quickly ...

3. Ethernet over PDH over SONET/SDH - Wikipedia

   en.wikipedia.org/.../SDH

   Ethernet over PDH over SONET/SDH (EoPoS) is one of many techniques that provided Ethernet connectivity over non-Ethernet networks. EoPoS is a standardized method for transporting native Ethernet frames over the existing telecommunications optical infrastructure use both the established Plesiochronous Digital Hierarchy (PDH) and Synchronous Digital Hierarchy (SONET/SDH) transport technologies.

4. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   H: 91.3 L: 65.1 W: 52.4 This battery contained two independent 4.5 V batteries, and had a four-pin connector. 9 V with a center tap was available by wiring in series. There were two ⌀3.2 mm negative pins spaced 9.5 mm apart and two ⌀4.0 mm positive pins spaced 14.3 mm apart. Negative and positive pins were spaced 18.1 mm apart.

5. Plesiochronous digital hierarchy - Wikipedia

   en.wikipedia.org/wiki/Plesiochronous_Digital...

   If it does not contain data, i.e. it is a gap, it is "stuffed". The data from the 4 data streams is now contained in 4 data streams of 2.112 Mbit/s which are synchronous and can easily be multiplexed to give a single stream of 8.448 Mbit/s by taking 1 bit from stream #1, followed by 1 bit from stream #2, then #3, then #4, etc.

6. Packet over SONET/SDH - Wikipedia

   en.wikipedia.org/wiki/Packet_over_SONET/SDH

   Packet over SONET/SDH, abbreviated POS, is a communications protocol for transmitting packets in the form of the Point to Point Protocol (PPP) over SDH or SONET, which are both standard protocols for communicating digital information using lasers or light emitting diodes (LEDs) over optical fibre at high line rates. POS is defined by RFC 2615 ...

7. Category : Mobile phones with user-replaceable battery

   en.wikipedia.org/wiki/Category:Mobile_phones...

   Pages in category "Mobile phones with user-replaceable battery" The following 200 pages are in this category, out of approximately 287 total. ... Nokia 1.3; Nokia 2.2 ...

8. Digital cross-connect system - Wikipedia

   en.wikipedia.org/wiki/Digital_cross-connect_system

   A SONET 3/1 DCS will transmux and carry DS3 signals as STS-1 signals and groom TDM DS1/T1s using VT1.5 signals. The Central Office is where signals are generally switched and groomed to route DS1s needing to be mapped to other Optical or Electrical signals to get to different equipment or sent along to other Central Offices.

9. Virtual concatenation - Wikipedia

   en.wikipedia.org/wiki/Virtual_concatenation

   Sonet/SDH is a hierarchical network. At each level, payloads are a concatenation of lower-order payloads. So, for example, an STS192 (10 Gbit/s) payload consists of four OC48 (2.5 Gbit/s) payloads concatenated together.