CIU Installation, Operation & Diagnostics
Edition: June 17, 2003
Page C-1
1:AT Command (MIU2400/485) (Dial) configuration is:
ATE0Q1&C1&D0S0=1&W0
E0
Echo Command disables (no "AT" response to terminal)
Q1
Result Codes disable (no result codes return to terminal ring)
S0=1 Auto Answer active (first ring modem will go OFF- Hook and
start answer sequence)
&C1
Carrier Detect is always True (MIU LED will be ON all the
time when Carrier Detect is ON.
&D0 DTR is ignored
2:
AT Command (MIU2496/485, MIU14.4/485 & MIU28.8/485)
ATE0Q1&C1&D0&Q6S0=1&W0
E0
Echo Command disables (no "AT" response to terminal)
Q1
Result Codes disable (no result codes return to terminal ring,
Connect XXX)
&Q6 Normal mode (speed buffering)
S0=1 Auto Answer active (first ring modem will go OFF- Hook
and start answer sequence)
&C1
Carrier Detect is always True (MIU LED will be ON all the
time when Carrier Detect is ON.
&D0 DTR is ignored
&K0 No flow control
3:
AT Command (MIU14.4L/485) Lease Line
ATE0Q1&C1&D0&K0&Q6\M0\H1&Z3=XX&W0
Recycle power (OFF ON)
Wait 5 seconds for DSR to switch ON
Enter AT\S1 <CR>
AT&W0 <CR>
Within 45 seconds
E0
Echo Command disables (no "AT" response to terminal)
Q1
Result Codes disable (no result codes return to terminal ring,
Connect XXX)
&Q6 Normal mode (speed buffering)
\M0
Answer mode (for Remote (Slave unit) local (Master) set for
originate \M1
\H1
Lease Line mode
\S1
Security mode (if remote RTU is a dumb unit - TxD is always ON
