Lenovo RackSwitch G8264CS, Installation Manual

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© Copyright Lenovo 2015 Chapter 2: Switch Components
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Four 40 GbE Quad Small Form-factor Pluggable Plus (QSFP+) ports are located on
the front panel.
QSFP+ ports accept supported optical QSFP+ transceivers or passive Direct Attach
Cables (DACs). The supported transceivers interoperate with any 40GBASE-SR4
or 40GBASE-LR4 compliant devices. The 40GBASE-SR4 transceivers support
distances up to 100 meters on OM3 fiber. Transceivers must be purchased
separately.
QSFP+ ports allow you to make one 40 GbE connection, or four 10 GbE
connections using a breakout cable, as follows:
•
QSFP+ optical transceiver with MTP-to-4 LC (SFP+) fiber breakout cable. This
option supports only Lenovo 10GBASE-SR SFP+ transceivers. The
40GBASE-SR4 specification (802.3ba-2010) indicates a higher optical power
level than standard 10GBASE-SR. Lenovo SFP+ SR transceivers can handle the
higher optical power levels. This cable must be purchased separately.
• QSFP+ to four 10 GbE SFP+ breakout DAC. The SFP+ connectors on supported
breakout DACs are labelled A, B, C, and D, which correspond to the first,
second, third, and fourth ports in the port range. This cable must be purchased
separately.
QSFP+ LEDs
The QSFP+ port LEDs are oriented as shown in the following figure.
Figure 6. QSFP+ port LEDs
Note:
When the port is 40 GbE mode, only the first LED in each set of four applies.
When the port is operating in quad 10 GbE mode, each LED provides status
for its corresponding 10 GbE port.
Status LEDs for the QSFP+ ports are described in the following table.
Table 6. QSFP+ port status LED behavior
LED State Functional Meaning
Link Steady green Link up
Off No link
Flashing green Activity
5 13
9 1
9 1
13 5
8 16
12 4
7 15
11 3
6 14
10 2
QSFP Port LEDs