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Related to OC-48: OC-768
OC-48Optical Carrier 48 (2.488 Gbps)
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Standard Data rate VCO frequency HRCLK(B) RJps-rms Fibre (Mb/s) 4250 (MHz) 4250 frequency isolated Channel (MHz) 2125 channel 0.47 SONET OC-48 2488.32 4976.64 1244.16 0.45 3732.48 1244.16 0.47 Standard RJps-rms all Integration Fibre channels active band 2.55 MHz Channel 0.49 to 2.125 GHz SONET OC-48 0.49 12 kHz to 20 MHz 0.51 TABLE 3: Clock synthesizer performance summary and comparison.
On the other hand, the FC/SONET interconnection remains constant at 4.2 hours and 3.1 hours for the OC-12 and OC-48 cases.
The phase noise of an actual OC-48 signal was measured on a PE3335 chip (2) with a resistor at the [V.sub.dd] pin 13 to drop the line voltage from 5 to 3.1V and is shown in Figure 10.
Most telecommunications carriers offer Gigabit speeds through SONET/SDH infrastructures, with OC-48 (2.5Gbps) at most central offices and OC-192 (10Gbps) throughout the core of their fiber-based telecommunications infrastructures.
(Nasdaq:VTSS) has introduced the VSC7928 -- the industry's only 3.2Gb/s diode laser driver targeted at next generation 10Gb/s Ethernet, SONET/SDH OC-48, Fibre Channel, and DWDM equipment manufacturers.
PSINet will be reselling Bell Atlantic's symmetrical DSL local services as part of the deal, comprising an 11-node OC-48 Sonet ring in Manhattan.
Properties is installing wiring known as OC-48 into 65 Broadway.
An additional 1,600 miles of OC-48 capacity in the northwest U.S.
Its Active WDM multiplexer bumps capacity up to OC-48 data transfer rates to provide up to 16 channels over just two strands of optical fiber, effectively reducing acquisition costs to pennies on the dollar compared to the cost of installing new fiber with associated labor and conduit expenses to yield the same capacity gain.
Model number PNI8040, priced at $1250 in 1000+ quantities, features eight software-programmable OC-3 to OC-48 rate SONET and SDH-equivalent rate ports, two OC-192 rate SONET/SDH ports and 40G of digital cross connect capacity.
To avoid these problems, many enterprises choose data-center multiplexers that can plug into FC switches and connect to SONET networks via DS3, OC-3, OC-12 and OC-48 interfaces.