NEC QX-S5500G Series Installation Manual page 145

Installation Guide
QX-S5500G Series Ethernet Switches
（1) QSFP+ connector
（3) SFP+ handle
CAUTION:
10G SFP+ side minimum bend radius of 40G QSFP+/10G*4 SFP+ copper cable is 35mm.
40G SFP+ side minimum bend radius of 40G QSFP+/10G*4 SFP+ copper cable is 50mm.
When not securing minimum bend radius of a cable, there are damage of a cable and a
possibility that performance decrement causes. Don't bend a cable below the minimum
bend radius.
Figure 10-4 Minimum bend radius of the 10G SFP+ side (the left side) and 40G QSFP+ (the right side) of 40G
Figure 10-3 40G QSFP+/10G*4 SFP+ copper cable
1 2
QSFP+/10G*4 SFP+ copper cable
（2) QSFP+ handle
（4) SFP+ connector
10-8
10. Appendix C Ports and LEDs
3 4