CMG-DCM / AM - Güralp Systems Limited

CMG-DCM Data Communications Module
3.4 The DCM as a network data hub
The most flexible way to operate the DCM is as a fully independent
machine on your local area network. To do this:
1. Connect Güralp digitizers to PORT A and PORT B as necessary,
using the serial data cable provided.
2. If you are using the DCM's USB capabilities, connect your
external hardware or computer to the USB socket.
Note: In the USB standard, a device is either a host (a computer)
or a client (a peripheral.) The DCM's USB port can act as either,
depending on the options specified at manufacture. It cannot do
both at the same time.
If your DCM is a host, you can attach additional USB
peripherals such as hard disks to the USB socket. If it is a client,
you can attach the USB socket to a computer, and it will appear
as a network interface.
3. Connect a Güralp combined serial/power cable to the DATA
OUT port. Make up a connector if necessary, and attach the
power lines to a 12 V DC power supply.
4. Connect the 9-pin serial socket to a computer for configuration.
5. Connect an Ethernet cable to the NETWORK socket, and set up
the network as described in Section 2.4, page 15.
6. You should now be able to connect to the DCM's Web setup
32 Issue F