6760 ServerNet/DA Manual

Glossary
6760 ServerNet/DA Manual—424879-003
Glossary-82
ServerNet router 1
ServerNet router in an HP NonStop™ S-series server has either six router ports (see
ServerNet router 1
) or twelve router ports (see ServerNet router 2).
ServerNet router 1. A model of ServerNet router that, in an HP NonStop™ S-series server,
has a total of six input and six output ServerNet ports. A ServerNet router 1 is never
an end device. See also ServerNet router 2
.
ServerNet router 2. A model of ServerNet router that, in an HP NonStop™ S-series server,
has a total of twelve input and twelve output ServerNet ports. A ServerNet router 2 is
never an end device. See also ServerNet router 1
.
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 II Switch. A 12-port network switch that provides the physical junction point to
enable an HP NonStop™ S-series server to connect to a ServerNet cluster. The
ServerNet II Switch is a component of the HP NonStop™ Cluster Switch
.
ServerNet wide area network (SWAN) concentrator. (1) An HP data communications
peripheral that provides connectivity to an HP NonStop™ S-series server. The SWAN
concentrator supports both synchronous and asynchronous data over RS-232,
RS-449, X.21, and V.35 electrical and physical interfaces. (2) A collective term for both
SWAN concentrators and SWAN 2 concentrators when a distinction between the two is
not required.
ServerNet wide area network (SWAN) 2 concentrator. An HP data communications
peripheral that provides connectivity to an HP NonStop™ S-series server. The SWAN
2 concentrator supports both synchronous and asynchronous data over RS-232,
RS-449, X.21, and V.35 electrical and physical interfaces. The SWAN 2 concentrator
is the next-generation SWAN concentrator and has 12 WAN ports.
service connection. A connection between the Compaq TSM client software running on a
TSM workstation and the TSM server software running on an HP NonStop™ S-series
server. A service connection can be used only to communicate with the server when
the HP NonStop™ Kernel operating system is running. A service connection provides
a comprehensive service and maintenance picture of the server and is used to perform
most service management tasks. See also low-level link
.
service equipment. The necessary equipment, usually consisting of circuit breakers and
their accessories, that is located near the entrance point of supply conductors. This
equipment constitutes the main control and cutoff means of the supply.