HP NonStop G-Series - Manual (Page 33)

Nomadic Disk Hardware and Software
ServerNet Nomadic Disk (Release 2) User’s Guide — 523968-001
2 -9
Extended and Switched Configuration
Table 2-4. Additional Hardware Required for Fiber-Optic Switching
Hardware Item Function
Troubleshooting
Information
Switch module Switch the fiber-optic path to the disk
drives from one processor enclosure to
the other. Section 4, Switch
Modules
ServerNet Wide Area
Network (SWAN) or
SWAN 2 concentrator Provides an ATP6100 async line to a
switch module for the switch command
interface (SWCI), which controls the
switch controller cards (SCCs) in the
switch module. SWAN 2 Concentrator
Installation and
Support Guide
SWAN Concentrator
Installation and
Support Guide
Ethernet 4 ServerNet
Adapter (E4SA) Provides Ethernet connections from the
processor enclosure to the SWAN or
SWAN 2 concentrators. Ethernet Adapter
(E4SA) Hardware
Installation and
Support Guide