Brocade Communications Systems LS-STK Installation Manual page 14

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Hardware features
10 Gbps Ethernet module slots for standalone devices
FLS 624 and FLS 648 standalone devices include two slots on the rear panel for single-port
10GBASE uplink modules with XFP transceivers, and a single port CX4 module. The 10GBASE
transceivers operate at 10 Gbps full duplex with support for asymmetric flow control (that is, the
port honors incoming pause frames, but does not originate pause frames).
10 Gbps Ethernet module slots for stacking devices
FLS 624-STK and FLS 648-STK devices include two 10 Gbps Ethernet CX4 modules on the rear
panel (the stacking ports). The FLS 624-STK has an additional slot on the front panel that supports
an optional 10 Gbps CX4 module.
10 Gbps CX4 ports
The single-port CX4 module is installed in the FLS 624 and FLS 648 (shown in
order the FastIron LS with a single-port CX4 module pre-installed, or you can upgrade your device at
a later time. This module is a 10 GbE-CX4 Ethernet uplink card, capable of performing data
transmission directly through copper links to 15m (extended 30m) in length.
Single-port CX4 uplink for 10 Gbps is supported.
Link and Activity LEDs on the module faceplates indicate operational status:
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FIGURE 6
Cable specifications
The following cable specifications apply to the CX4 port in the 10GbE interface module (FLS-1XGC):
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NOTE
The recommended CX4 cable can also be used with a Small Form Factor Pluggable (XFP)
MSA-compliant optical transceiver (part number FLS-1XGC).
Figure 7
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DRAFT: BROCADE CONFIDENTIAL
If the Link LED is on, the port is connected. If the Link LED is off, no connection exists, or the
link is down.
If the Act LED is on or blinking, traffic is being transmitted and received on the port. If the Act
LED is off, no traffic is being transmitted or received on the port.
Single-port 10 Gbps Ethernet CX4 module
Support for 802.3ak or 10 Gbps Ethernet CX4 standard
Support for cables up to 15m in length
Requires latch-style receptacle or SFF-8470 plug
Recommended CX4 cable is manufactured by WL Gore, part number IBN6600-15, CX4
Assembly - 26AWG SPC 15.0m
shows the CX4-grade cable.
Brocade FastIron LS and FastIron LS-STK Hardware Installation Guide
Figure 6). You can
53-1002187-01