Connection Mode (CM) setting
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Description (see setting description format info here)
Connection Mode defines under which condition the DS attempts to establish an outgoing connection** to current Destination IP-address (DI) [setting/ parameter/ instruction] and current Destination Port Number (DP) [setting/ parameter/ instruction]:
Existing connection can always be terminated by using the Close Connection (CC) instruction or Abort Connection (CA) instruction. With Connection Mode 3 (on command or DSR=HI*) it is also possible to close the connection by bringing the DSR line LOW*.
Connection Mode is irrelevant when the current Routing Mode (RM) is 0 (server) since in this mode outgoing connections are not allowed at all.
* HI and LOW states are described with respect to the serial ports of DS100R, DS100B, DS203. For EM100, EM120, EM200, EM203(A) the signaling is exactly opposite.
** Since the DS only allows for a single data connection at a time all conditions described here only apply to a situation when no data connection is established yet.
*** After the IP-address is obtained from the DHCP server if the DHCP (DH) setting is 1 (enabled).