Table 31: Optical Interface Support for SONET/SDH OC12/STM4 (Multi-Rate) PICs Configured at an
OC48/STM16 Rate (continued)
Long Reach (LR-2)Intermediate Reach (IR-1)Short Reach (SR-1)Parameter
SFPSFPSFPTransceiver type
SMF cable: 49.71 miles/80 kmSMF cable: 9.3 miles/15 kmSMF cable: 1.24 miles/2 kmMaximum distance
Telcordia GR-253Telcordia GR-253Telcordia GR-253Standard
1500 through 1580 nm1260 through 1360 nm1266 through 1360 nmTransmitter wavelength
–2 through +3 dBm–5 through 0 dBm–10 through –3 dBmAverage launch power
–9 dBm0 dBm–3 dBmReceiver saturation
–28 dBm–18 dBm–18 dBmReceiver sensitivity
98 ■ SONET/SDH OC12/STM4 (Multi-Rate) PICs with SFP
M120 Internet Router PIC Guide
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