SSE-X3348T/ SSE-X3348TR Switch Installation Manual
5-10
Making DAC Connections
To make DAC connections, follow the procedure below.
Making DAC Connections
1. Plug the QSFP+ transceiver connector on one end of a twinax copper cable
segment into an QSFP+ slot on the link device.
2. Plug the other end of the twinax cable into an QSFP+ slot on the switch.
3. Check that the Link LED on the switch turns on green to indicate that the connection
is valid.
Table 5-6. Maximum 40GBASE-CR4 40 Gigabit Ethernet Cable Lengths
Cable Type Cable Lengths Connector
Pre-terminated Direct Attach Cable (DAC) —
(twinax copper cable)
1 m (3.28 ft)
2 m (6.56 ft)
3 m (9.8 ft)
5 m (16.4 ft)
7 m (22.9 ft)
QSFP+
Figure 5-6. Making DAC Connections
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