7-47
Table7-22 Specifications of QSFP+ transceiver modules with MPO connectors (2)
Transceiver module
Transmission speed
Transmitted optical
power (dBm)
Received optical
power (dBm)
QSFP-40G-SR4-MM850
40 Gbps
–7.6 to 0
–9.5 to +2.4
QSFP-40G-CSR4-MM85
0
40 Gbps
–7.6 to 0
–9.9 to +2.4
QSFP+ transceiver modules with LC connectors
Table7-23 40 GE fiber port specifications
Item
Specification
Connector type
LC
Transceiver module type
QSFP+
Standard compliance
40GBASE-R
Interface speed
LAN PHY: 40 Gbps
Table7-24 Specifications of QSFP+ transceiver modules with LC connectors (1)
Transceiver
module
Central
wavelength
(nm)
Fiber
mode
Fiber
diameter (µm)
Mode
bandwidth
(MHz*km)
Transmission
distance
QSFP-40G-BI
DI-SR-MM850
Two lanes:
•
850
•
900
MMF
50/125
2000
100 m (328.08 ft)
4700
150 m (492.13 ft)
QSFP-40G-L
R4L-WDM130
0
Four lanes:
•
1271
•
1291
•
1311
•
1331
SMF
9/125
N/A
2 km (1.24 miles)
QSFP-40G-E
R4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
SMF
9/125
N/A
40 km (24.86
miles)
QSFP-40G-L
R4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
SMF
9/125
N/A
10 km (6.21 miles)
QSFP-40G-BI
DI-WDM850
Four lanes:
•
850
•
880
•
910
•
940
MMF
50/125
2000
240 m (787.40 ft)
