Brocade Communications Systems Brocade MLX Series and Brocade Netlron XMR 53-1002373-02 Manual De Usuario

Router modules

1

OC-12c and OC-48c POS interface module ports

OC-12c and OC-48c POS interface modules have two, four, or eight ports that accept SFP optical 
transceivers (provided by Brocade). For a list of SFP optics supported by Brocade, refer to the latest 
version of the Brocade Optics Family Data Sheet, available online in the following location: 

http://www.brocade.com/downloads/documents/data_sheets/product_data_sheets/Optics_DS.p
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OC-192c POS interface module ports

OC-192c POS interface modules have one or two ports that accept XFP optical transceivers 
(provided by Brocade). For a list of XFP optics supported by Brocade, refer to the latest version of 
the Brocade Optics Family Data Sheet, available online in the following location: 

http://www.brocade.com/downloads/documents/data_sheets/product_data_sheets/Optics_DS.p
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Clocking and timing a POS interface module

POS interface modules support the following timing configurations:

•

Internal Timing – This option uses the internal stratum 3 clock. This is the default clocking 
configuration.

•

Loop Timing – This option receives timing from the line.

•

Line Timing – This interface receives timing from the line and is used to clock all ports on the 
same interface module but not for the entire router.

•

External (BITS) Timing – This option allows timing to be provided by a central office BITS 
system. Each POS interface module has four RJ48C ports for connections to the external BITS 
system. The two input ports (labeled IN) are for receiving clocking. The two output ports 
(labeled OUT) provide clocking to another POS interface module.

DANGER

Configuration of the internal and external clocking and timing options is described in the “Using 
Packet Over SONET Modules” chapter in the Brocade MLX Series and Brocade NetIron Family 
Configuration Guide.

Clocking port pin assignments

The clocking ports are standard RJ48C connectors. Refer to 

for pin-out descriptions and diagrams.

Switch fabric modules

 lists the switch fabric modules that are available for Brocade MLX Series and Brocade 

NetIron XMR routers.