Guralp Systems CMG-DCM build <10,000 - Manual (Page 133)

Operator's Guide
select a multiplexer instance with which to associate this transmitter.
The menu offers a list of currently configured multiplexers.
The GCF BRP protocol requires the transmitter to store some state
information. By default, this is held in the directory
/var/lib/gcf­out­brp.n where n in the instance number
(counting from zero for the first instance). The State directory text
field can be used to cause this information to be stored elsewhere:
typically on another device. This may be useful for managing storage
utilisation in complex configurations.
11.2 GCF Scream Server
The GCF Scream network server transmits Güralp Compressed Format
(GCF) data in the native Scream! protocol over an Ethernet network.
To configure a GCF Scream network server from the web interface,
select “System services” from the “Configuration” → “All options”
menu or select the “Services” short-cut from the “Data
transfer/recording” menu. To configure a GCF Scream network server
from the command line, start gconfig and select “System services”
from the top level menu.
Now select “gcf-out-scream” from the System Services menu. The next
screen shows a list of all GCF Scream server instances that have been
configured:
You can reconfigure any existing service by clicking on its menu entry.
To configure a new GCF Scream server instance, select “Create new
service instance”. The following screen allows you to configure the
parameters of the service. It is a large form and is shown here in parts.
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