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Communications Subsystems: Monitoring and
Recovery
HP Integrity NonStop NS-Series Operations Guide—529869-005
6-2
Local Area Networks (LANs) and Wide Area
Networks (WANs)
or other communication interface options to provide data transmissions over local area
networks (LANs) or wide area networks (WANs), respectively. Similarly, multiple
higher-level components can use the services of a single lower-level component.
Local Area Networks (LANs) and Wide Area Networks (WANs)
Two important communications interfaces for LANs and WANs on Integrity NonStop
servers are the SLSA subsystem and the WAN subsystem.
The SLSA subsystem supports parallel LAN I/O operations, allowing Integrity NonStop
NS-series servers to communicate across the ServerNet fabrics and access Ethernet
devices through various LAN protocols. SLSA also communicates with the appropriate
adapter type over the ServerNet fabrics. Adapters supported on Integrity NonStop
systems include:
•
Gigabit Ethernet 4-port adapter (G4SA)
•
Fibre Channel ServerNet adapter (FCSA) (for the Storage subsystem)
I/O adapter module (IOAM) enclosures enable I/O operations to take place between
Integrity NonStop servers and some Fibre Channel storage devices. See the Modular
I/O Installation and Configuration Guide for more information.
Adapters supported on NonStop S-series servers that can be accessed through
Expand over IP, include:
•
ATM 3 ServerNet adapter (ATM3SA)
•
Ethernet 4 ServerNet adapter (E4SA)
•
Fast Ethernet ServerNet adapter (FESA)
•
Gigabit Ethernet ServerNet adapter (GESA)
•
Gigabit Ethernet 4-Port ServerNet adapter (G4SA)
•
Multifunction I/O board (MFIOB) in the processor multifunction (PMF) customer-
replaceable unit (CRU) and I/O multifunction (IOMF) CRU
•
Token-Ring ServerNet adapter (TRSA)
For further information, refer to the Introduction to Networking for NonStop NS-Series
Servers.
In addition to the adapters, the SLSA subsystem supports these objects:
•
Processes
•
Monitors
•
ServerNet addressable controllers (SACs)
•
Logical interfaces (LIFs)
•
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