Brocade DCX 8510-4 Backbone Hardware Reference Manual - Manual (Page 93)

The following table describes the connector port LED patterns and the recommended actions for those
patterns.
ICL QSFP connector port LEDs TABLE 13
LED purpose Color Status Recommended action
QSFP connector
status No light (LED is
off) No QSFP module, all four QSFP
ports are disabled. No action is required if QSFP not
present or verify that the QSFP is fully
inserted.
Steady amber QSFP module is in, all four ports
have no signal/no sync. No action required if QSFP only is
installed or ensure that the cable is
properly connected. If the LED remains
amber, consult the Brocade DCX
8510-4 supplier.
Blinking amber Port is disabled or faulted, FC link
activity, segmented, loopback
mode, also during transition
between QSFP cable insertion and
confirmation. Check for console messages or wait for
all four ports to come online.
Steady green Both ends of QSFP cable are in
and all ports are online. Full link is
established. No action required.
Follow this procedure to install the QSFP cables. Refer to the Fabric OS Administrator's Guide for the
configuration procedure and requirements.
The following figure shows a QSFP cable and transceiver. The QSFP connectors on the core blades
are labeled by trunk group (trunking is optional) for ease of installation. The subsequent figures show
acceptable cabling configurations for the ICL feature. The recommended topology is the parallel type
where there are four QSFP cables connected between any pair of Brocade DCX 8510 series chassis.
The full mesh configuration is also supported.
FIGURE 34 QSFP cable and transceiver
Time and items required
The replacement procedure for an ICL cable takes less than five minutes. Only a replacement ICL cable
is required for this procedure.
Removing an ICL cable
Complete the following steps to remove a QSFP cable.
Time and items required
Brocade DCX 8510-4 Backbone Hardware Reference Manual 93
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