Coastcom D/I Mux III System User Manual page 283

D/I Mux III User's Manual
5. Send the hang-up command, using the following command string: ATH!
6. Wait for an OK response (should appear within 3 seconds), and continue.
7. Send the initialization command to the modem using the following recommended
command string:
8. Wait for an OK response (should appear within 3 seconds), and continue.
Port Expander
If a port expander, or other black box device, has been configured into the network follow
the steps listed below, otherwise proceed to the next section.
1. Send the unlink command to the port expander, using the following recommended
command string: 0t.r.o.PU0x
2. Wait for any response (should appear within 3 seconds), then proceed to the next
section.
Port
Because the ports on the D/I Mux III and the DXC II are dedicated, nothing special need
be done to terminate the port connection.
AT E0 Q1 S0=1 V1 X4 &C0 &D0!
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Appendix G. Modem Interfaces