- two ports (Slot 2, ports 5 and 6) out of the six 40 GbE QSFP+ ports require a Port License to
be unlocked.
• Port licensing support on the port licensed VSP 7254XTQ copper switch:
- 24 ports (Slot 1, ports 25 to 48) out of the 48 100 Mbps/1 GbE/10 GbE RJ-45 ports require a
Port License to be unlocked.
- two ports (Slot 2, ports 5 and 6) out of the six 40 GbE QSFP+ ports require a Port License to
be unlocked.
• 1000BASE-T SFP (AA1419043-E6) will only operate at 1 Gbps speeds when used on a VSP
7254XSQ.
• When you use 1 Gigabit Ethernet SFP transceivers on VSP 7254XSQ, the software disables
auto-negotiation on the port:
- If you use 1 Gbps fiber SFP transceivers, the remote end must also have auto-negotiation
disabled.
- If you use 1 Gbps copper SFP transceivers, the remote end must have auto-negotiation
enabled. If not, the link will not be established.
• When a port on VSP 7254XSQ is disabled or enabled, or a cable replaced, or the switch
rebooted, the remote link can flap twice.
• Enable auto-negotiation to ensure proper operation at 100 Mbps speeds on VSP 7254XTQ:
- Link instability will be seen if both ends are set to 100 Mbps auto-negotiation disabled and
you use a straight through cable.
- If Link instability is seen when you use a cross-over cable, a port disable or enable can fix
the issue.
Power cord types and order codes
To connect AC power to the switch, you need an appropriate AC power cord as described in the
following table.
Table 4: Power cords for power distribution units
Order Code Length Power supply side
connector
Power source side
connector
Safety Approval
700512239 3 m C13 C14 USA
700512241 3 m C13 C14 International except
Japan and Taiwan
Hardware Models for VSP 7200 Series
March 2020 Installing the VSP 7200 Series 14
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