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NonStop System Glossary

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and source fields to identify the processor or I/O controller transmitting and receiving the packet.
See also request packet and response packet.
ServerNet port
A connector used for ServerNet links.
ServerNet router
An application-specific integrated circuit (ASIC) responsible for routing ServerNet packets along
ServerNet links in the ServerNet fabrics, using routing information that is present within the packets.
A ServerNet router acts as a fully duplex crossbar switch, able to switch any of its input ports to
any of its output ports.
ServerNet router 1
A ServerNet router that has a total of six input and six output ports. See also ServerNet router 2
and ServerNet router 3.
ServerNet router 2
A ServerNet router that has a total of twelve input and twelve output ports. See also ServerNet
router 1 and ServerNet router 3.
ServerNet router 3
A ServerNet router that has a total of 32 input and 32 output ports. See also ServerNet router 1
and ServerNet router 2.
ServerNet subdevice
An I/O device that sends and receives its information through a controlling device that acts as the
ServerNet device for routing purposes.
ServerNet subdevice ID
The low-order (least significant) bits of a ServerNet ID, used by a ServerNet device to distribute
incoming and outgoing information between itself and its associated subdevices.
ServerNet switch
A point-to-point networking device that connects ServerNet nodes to a single fabric (X or Y) of the
ServerNet communications network. The ServerNet switch routes ServerNet packets among these
nodes.
ServerNet switch board
Component in an IOAM. The ServerNet switch board provides ServerNet connections to the I/O
adapters in the IOAM. It also provides maintenance functions for the modules in which they are
installed.
ServerNet switch High I/O
A ServerNet switch in the HP BladeSystem c7000 or c7000 CG enclosure of NonStop BladeSystems
and NonStop Carrier Grade BladeSystems. A ServerNet switch High I/O contains six quad optic
modules for a total of 24 ServerNet links.
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