Telenetics MIU Dial or Leased Line modem with RS-485 guide

&Z3=XX Password to exit security mode

&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

4:AT Command (MIU9.6L/485) Lease Line

ATE0Q1&C1&D0&K0&Q6\M0\H1W0

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 (Not available for MIU9.6L)
&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

Note &Q5 error detection and data compression can be used

If the host software will support EC

Switch Setting (MIUXXX/485) (Typical)

MIU S3 (external)

SW-1 Closed (ON) MIU is configured for RS485 Module (RS485 RxD (Output) to Modem TxD (input))

SW-2, -3 & -4 Open (OFF)

SB-1 Closed (ON) DC Termination Open (OFF) AC Termination

SB-2 Closed (ON) Line Termination

SB-3 & -4 Closed (ON) 2- Wire

SA- 1 Open (OFF)

SA- 2 Closed (ON) TxD (transmit data) enables TX (Driver Output Enable) + 5ms SA- 3 Open (OFF)

SA- 4 Closed (ON) Received data is disable with TX enable (TxD)

CIU Installation, Operation & Diagnostics

Edition: June 17, 2003