
50
Transceiver module
Transmission
distance
Transmission
speed
Transmitted
optical power
(dBm)
Received
optical power
(dBm)
SFP-XG-LX-SM1310
10 km (6.21 miles) 10.31 Gbps
–8.2 to +0.5
–14.4 to +0.5
SFP-XG-LH40-SM1550
40 km (24.85
miles)
10.31 Gbps
–4.7 to +4
–15.8 to –1
40GBASE-R fiber port
Table 33 40GBASE-R fiber port specifications
Item
Specification
Connector type
MPO
Transceiver module type
See
Interface speed
LAN PHY: 40 Gbps
describes QSFP+ transceiver modules available for the 40GBASE-R fiber ports.
Table 34 QSFP+ transceiver module specifications
Item
QSFP-40G-LR4-WDM1300
Central wavelength (nm)
Four lanes:
•
1271
•
1291
•
1311
•
1331
Fiber mode
SMF
Fiber diameter (µm)
9/125
Modal bandwidth (MHz*km)
N/A
Transmission distance
10 km (6.21 miles)
Transmission speed
40 Gbps
Transmitted optical power (dBm)
–7 to +2.3
Received optical power (dBm)
–13.7 to +2.3
Appendix B LEDs
Chassis LEDs
Table 35 Chassis LED descriptions
LED
Mark
Status
Description
System status LED
SYS
Flashing green (1 Hz)
The device is operating correctly.