Minicom Advanced Systems CMG-DCM manual Table of Contents

CMG-DCM
Table of Contents
1 Introduction		5
1.1	Inside the DCM	7
Serial port services		8
Network services		8
2 Installing the CMG-DCM		10
2.1	Overview	10
2.2	Power supply	10
2.3	Connecting to a single computer	11
Connecting over a serial link		11
Connecting over Ethernet		12
Using an internal modem		13
Connecting over USB		13
2.4	Connecting to a local network	14
Wi-Fi		16
Connecting to the Internet		16
2.5	Connecting digitizers and external hardware	17
2.6 Setting up the CMG-DCM		17
Web setup		18
3 Usage		21
3.1	General notes	21
3.2	The DCM as a data store	21
3.3 The DCM as a GCF data source		25
Accessing the DCM command line through gcf_out		26
Sensor arrays		27
3.4	The DCM as a network data hub	28
Communicating with digitizers		29
Data storage and retrieval		31
Real-time data transmission		33
3.5	Troubleshooting DCM installations	35
I cannot connect to the DCM's DATA OUT port using a terminal program		35
I cannot see the DCM's Web site over HTTP or HTTPS		36
I cannot connect to the DCM's Scream! server		36
I cannot GCFPING the DCM's Scream! server		36
I can GCFPING the DCM's Scream! server, but no data appears		37
The DCM is not receiving any data streams		37
The DCM is receiving streams, but they do not contain any data		38
The DCM receives streams, but gaps appear in the data some minutes after boot-up....		39
The DCM receives streams, but 2-minute gaps appear in the data at 4-hour intervals.. .39

2 Issue A