Brocade DCX 8510-8 Backbone Hardware Reference Manual - Manual (Page 107)

NOTE
For the Brocade DCX 8510 Backbones, an off-the-shelf QSFP cable up to 50 meters long can be used
as an ICL cable.
NOTE
For the Brocade DCX 8510 Backbones, if the QSFP cables are not used, make sure the rubber gaskets
are in the QSFP transceivers.
The following table describes the connector port LED patterns and the recommended actions for those
patterns.
ICL QSFP connector port LEDs TABLE 14
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 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
8510-8 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
Removal and Replacement Procedures
Brocade DCX 8510-8 Backbone Hardware Reference Manual 107
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