Juniper Networks M120 manual SR1 IR2 LR2

SONET/SDH OC192c/STM64 PIC with XFP

Table 36: Optical Interface Support for SONET/SDH OC192 PICs (continued)

Parameter	Short reach (SR-1)	Intermediate Reach (IR-2)	Long Reach (LR-2)
Transceiver type	XFP	XFP	XFP
Standard	Telcordia GR-253 OC192	Telcordia GR-253 OC192	Telcordia GR-253 OC192
	SR1	IR2	LR2
Maximum distance	SMF cable: 6.21 miles/10	SMF cable: 24.8 miles/40	SMF cable: 49.71 miles/80
	km	km; distances greater than	km
		30 km are considered to be
		engineered links.
Transmitter wavelength	1290 nm through 1330 nm	1530 nm through 1565 nm	1530 nm through 1565 nm
Average launch power	–6 through –1 dBm	–1.0. through 2 dBm	0 through 4 dBm
Receiver saturation	–1.0 dBm	–1.0 dBm	–7 dBm
Receiver sensitivity	–11 dBm	–14 dBm	–24 dBm

SONET/SDH OC192c/STM64 PIC with XFP ■ 111