360 Systems DigiCart/E - Manual (Page 21)

Installing an Ethernet Audio Network
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The switch also allows connection of multiple servers. Specific details of these larger configurations should
be designed by experienced network engineers, and are not covered in detail in this book.
Special Purpose Connections
Ethernet Audio can be extended to mobile broadcast trucks by using a portable server. The following
examples outline this feature.
Portable NAS Server
Routing
Switch
NAS
Device
DigiCart/E
System Server
DigiCart/E
NAS
Device
DigiCart/E
Mobile
Equipment
Standard Cable
Cross-over Cable
In this configuration, the mobile DigiCart/E uses a fixed IP address. This is desirable even if the NAS device
has a DHCP server, as there should not be two DHCP servers on line when the NAS is connected to the main
server system. Using a fixed IP address allows the NAS device DHCP server to remain disabled at all times.
The NAS device should also have a fixed IP, and an exclusion may need to be programmed in the DHCP
scope on the main server for that IP address. The IP must be in the 192.168.1 or 192.168.2 subnets to allow
connection to the mobile DigiCart. The IP should be a higher number than the main server. See
Administration on page 46 for more on DHCP and IP address management.
The NAS device must have Windows and NFS protocols enabled. The NFS device is accessible through
either the main server, an attached Workstation (these via Windows networking) or a DigiCart/E (via NFS).
When the NAS device is attached to the main server, the DigiCart/E Mount Network Drive command will
have an additional choice of Server IP Address before the list of available Net Drives. A DigiCart/E can only
mount Net Drives from the chosen server; when the server is changed all other net drives are automatically
unmounted. This has no effect on other DigiCart/E units on the network.
Files can be copied to the NAS device using Windows, from the server itself or an optional workstation. This
is accomplished by sharing the Net Drive folders on the NAS on both NFS and Windows. Complete Net
Drive folders can be copied to the NAS via Windows, but must then be set up on the NAS to be shared by
NFS. (Do not use the same share name on both servers.) When setting up the NAS, share the device’s root
directory on Windows but not on NFS. Share the Net Drive folders on NFS.