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Nortel Secure Router 8012
Hardware Description
B-6
Nortel Networks Inc.
Issue 5.3 (6 April 2009)
Connector type LC
B.5 1000Base-X Ethernet optical interface module
Table B-9 lists the attributes of the 1000Base-X Ethernet optical interface.
Table B-9 Attributes of the 1000Base-X Ethernet interface module
Description Item
2GE 1GE
Interface type SFP interface (Configure this module separately. See Table B-10 for
attributes of SFP optical module and
Table B-11 for attributes of SFP
electrical interface module.)
Interface
number
2 1
Duplex mode Full duplex
Rate 1.25 Gbit/s
Standard
compliance
IEEE 802.3z
Frame format Ethernet_II
Ethernet_SNAP
Network
protocol
IP
Table B-10 Attributes of the SFP optical module of the 1000Base-X Ethernet interface
Attributes Description
Transmission
distance
0.55 km 10 km 40 km 40 km 80 km 100 km
Central
wavelength
850 nm 1310 nm 1310 nm 1550 nm 1550
nm
1550 nm
Minimum output
power
–9.5
dBm
–9.5 dBm –5 dBm –4.0
dBm
–5.0
dBm
–5 dBm
Maximum output
power
0 dBm –3.0 dBm –2 dBm 0 dBm –2.0
dBm
0 dBm
Receiver
sensitivity
–17.0
dBm
–20.0
dBm
–23 dBm –22.0
dBm
–23.0
dBm
–30.0
dBm