49
40 GE fiber port
Table 31 40 GE fiber port specifications
Item Specification
Connector type
MPO
Transceiver module type
QSFP+
Standard compliance
40GBASE-R
Interface speed
LAN PHY:
40 Gbps
Table 32 QSFP+ transceiver module specifications (1)
Transceiver module
Central
wavelength
(nm)
Fiber mode
Fiber
diameter
(µm)
Mode
bandwidth
(MHz*km)
QSFP-40G-SR4-MM850 850
MMF
50/125
2000
4700
QSFP-40G-LR4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
SMF 9/125 N/A
QSFP-40G-CSR4-MM850 850
MMF
50/125
2000
4700
Table 33 QSFP+ transceiver module specifications (2)
Transceiver module
Transmission
distance
Transmission
speed
Transmitted
optical power
(dBm)
Received
optical
power
(dBm)
QSFP-40G-SR4-MM850
100 m (328.08 ft)
40 Gbps
–7.6 to 0
–9.5 to +2.4
150 m (492.13 ft)
QSFP-40G-LR4-WDM1300
10 km (6.21 miles)
40 Gbps
–7 to +2.3
–13.7 to +2.3
QSFP-40G-CSR4-MM850
300 m (984.25 ft)
40 Gbps
–7.6 to 0
–9.9 to +2.4
400 m (1312.34 ft)