Chapter 3: Summit Option Cards and Versatile Interface Modules
Summit Family Switches Hardware Installation Guide
168
VIM3-40G4X Versatile Interface Module
The VIM3-40G4X versatile interface module (Figure 129) provides four unpopulated cages for QSFP+
optical modules or QSFP+ compatible direct-attach active or passive cables. Ports 25 and 26 can be
enabled as alternate stacking ports for the Summit X480 series switch.
Each physical port can be configured to operate as a single 40-Gbps port or as four 10-Gbps ports.
When the port operates in 40-Gbps mode, you can connect the port using either a QSFP+ direct-attach
cable or an installed QSFP+ module and compatible fiber optic cable. When the port is configured to
operate in 10-Gbps mode, you must connect it using a special 1-to-4 breakout fiber optic cable.
The VIM3-40G4X module requires ExtremeXOS 15.1.2 software (or later) installed on the Summit X480
series switch.
Figure 129: VIM3-40G4X Versatile Interface Module
SH_251
1
2
1 = QSFP+ port
2 = Port LEDs
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