2 digitiser status streams – Guralp Systems Scream User Manual

Page 66

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Scream! 4.5

check that it has the expected baud rate. If it does not, you can

change it in the Setup window (see Section 3.1 on page 11).
Click

.

Scream! servers can provide access to their own serial ports over

the network. To connect to the serial port of a remote Scream!
server, choose Remote Serial and fill in the IP address of the

remote computer, together with the port name or number.
Click

.

You will need to enable serial access on the Scream! server to

use this feature. In the My Server tab of the Network Control
window, tick Allow remote access to Com ports.

If your Scream! server is a CMG-EAM, you will need to ensure

that the “Disable terminal access” check-box is not ticked in the
server configuration dialogue. Similarly, if your Scream! server

is a DCM running native firmware (i.e. not upgraded to run
Platinum firmware), you will need to set the option
datatransfer.scream.server.allowserialaccess to yes.

This option is most useful for accessing serial ports on a remote

computer which is not producing GCF data. If a remote port
does emit GCF data, it will appear in the source tree as normal,

and you can open a session with it by right-clicking and
selecting Terminal….

To connect over a TCP/IP terminal link, either to a remote
Scream! server or to a TCP terminal device (e.g. a serial to

network converter), choose TCP/IP and fill in the IP address of
the remote computer. Click

.

The terminal window will then open as described above.

6.2 Digitiser status streams

All Güralp digitisers have a separate stream for reporting information
about the system, such as their GPS and time synchronization status.

This status information is in plain ASCII text format.

To see a Status window for any digitiser, double-click on the Stream
ID
xxxx00. This stream always has a reported sample rate of 0

samples per second.

During boot-up, each unit reports its model type, firmware revision
number, its System ID and serial number. This information is

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Issue K

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