Juniper M120 - Page 69

Table 17: Optical Interface Support for Gigabit Ethernet IQ2 PICs with SFP
1000Base-LH1000Base-LX1000Base-SXParameter
Single-modeSingle-modeMultimodeOptical interface
SFPSFPSFPTransceiver type
Multivendor
agreement
IEEE 802.3—1998IEEE 802.3—1998Standard
9/125 SMF cable:
43.5 miles/70 km
9/125 SMF cable:
6.2 miles/10 km
62.5/125 or 50/125
MMF cable:
1804.5 ft/550 m
62.5/125 MMF cable:
656 ft/200 m
50/125 MMF cable:
1640 ft/500 m
Maximum distance
1480 through 1580
nm
1270 through 1355
nm
770 through 860 nmTransmitter
wavelength
–3 through +3 dBm–11.5 through –3
dBm
–9.5 through 0 dBmAverage launch power
–20 through –3 dBm–19 through –3 dBm–17 through 0 dBmAverage receive
power
–3 dBm–3 dBm0 dBmReceiver saturation
–20 dBm–19 dBm–17dBmReceiver sensitivity
Gigabit Ethernet IQ2 PICs with SFP ■ 69
Gigabit Ethernet IQ2 PICs with SFP