MITSUBISHI ELECTRIC MITSUBISHI MAM MAM-AM24 - Manual (Page 23)

Access to the DIP switches
A DIP switch is provided for selecting the operating mode at the RS485/422 interface. This is
located on the right of the COM2 connection terminal and is accessible after the cover is
removed.
Interfaces RS485 / RS422
Mitsubishi Alarm Modem 4 - 3
-
+
COM1
(R S4
COM2
(RS422
/ 485)
Po wer
Pr ocess
Line
Data
out
DC 10...30V
SIM-Card
Pus h
R+
R-
-T
+T
(0V)
Bus
Config.
Fig. 4-4:
Put a screwdriver (blade width 3mm) into
the small slit and gently rotate the screw-
driver.
HG47 Tixi Alar
m Modem
GSM
xxxxx
Xxxx
x + X x x x
xx - xx X XX,
xxx.
X.X X
027954
541034
Ser vice
Po wer
Pr ocess
Line
Data out
Modem
Mode
Antenna
- +
COM1
(RS485)
COM2
(RS422
/ 485)
DC 10...30V
SIM-Card
Push
R+ R- -T +T (0V)
Bus
Config.
Fig. 4-5:
The terminal cover snaps off from the
case with an audible click and may be
removed.
Process Line Data out
1
ON
DIP
2
3
4
SIM-Card Pu
Mitsubishi
Alar
m
Modem
GSM
xxxxx
Xxxx
x + X x x x
xx
- xx
X
XX,
xxx.
X.X
X
027954
541034
Ser
vice
DC
10...30V
Po wer
Pr ocess
Line
Data
out
Modem
Mode
Antenna
SIM-Card
Push
1
ON DIP
2 3 4
1
0
Fig. 4-6: Position of the DIP switches under the terminal cover