6
1000BASE-LH70 GBIC Transceivers
Table 3 shows the transmission range and other data for this
connection.
Table 4 shows the optical parameters of the
1000BASE-LH70 GBIC
Transceiver.
CAUTION:
If using cable lengths shorter than 20 km, you must ensure
that a single-mode fiber attenuator is used to avoid signal saturation.
Table 3
1000BASE-LH70 GBIC Single-Mode Transmission Range
Fiber Type
Diameter
(microns)
Minimum
Connector
End Polish Transmission Range
Single-mode
9
µ
m core
PC
20 – 70 km (13 – 43 miles)
GBICP2_2march03.fm Page 6 Wednesday, March 12, 2003 2:35 PM