Juniper Networks M20 manual Parameter Short Reach SR Intermediate Reach IR Long Reach LR

SONET/SDH OC48c/STM16 PIC

Table 17: Optical Interface Support for SONET/SDH OC48c/STM16 PICs with SFP

Parameter	Short Reach (SR)	Intermediate Reach (IR)	Long Reach (LR)
Optical interface	Single-mode	Single-mode	Single-mode; compatible with
			1550-nm single-mode LR
Transceiver type	SFP	SFP	SFP
Maximum distance	SMF cable: 1.24 miles/2 km	SMF cable: 9.3 miles/15 km	SMF cable: 49.71 miles/80 km
Standard	Telcordia GR-253	Telcordia GR-253	Telcordia GR-253—L-16.3
Transmitter	1266 through 1360 nm	1260 through 1360 nm	1500 through 1580 nm
wavelength
Average launch power	–10 through –3 dBm	–5 through 0 dBm	–2 through +3 dBm
Receiver saturation	–3 dBm	0 dBm	–9 dBm
Receiver sensitivity	–18 dBm	–18 dBm	–28 dBm

SONET/SDH OC48c/STM16 PIC ■ 65