Guardian Telecom Inc.
Installation Programming Operation
Merge/Isolate Zone Control System
J6
J7
J5
J1
J2
J3
J4
LCD DISPLAY
MI
C
+
(BL
AC
K
)
M
IC - (W
HI
T
E
)
R
X
(Y
EL
L
O
W
)
R
X
(Y
EL
L
O
W
)
PT
P
(
R
ED
)
PT
P
(
G
R
E
EN
)
H
OOK
S
W
IT
C
H
45
SPEAKER
MICON CABLE
HANDSET
RX
VOLUME
SIDE TONE
CONTROL
TX
VOLUME
DATA
THRESHOLD
CONTROL
1
10
MICON Connector
Pin #
Function
1
Merged Talk Line A
2
Merged Talk Line B
3
Merged Page Line A
4
Merged Page Line B
5
Data Signal A
6
Data Signal B
7 24VDC
8 VDC
Ground
9 Mixed
Signal
A
10 Mixed
Signal
B
Note: Cable has one spare pair of
conductors
Figure 8 - MICON PCB Layout
JP1 – Merged Talk Line Impedance Control
Position Pins
Description
1, 2
PTTI Not Installed
2, 3
PTTI Installed or Slave MICAB
Configuration
JP 2, 3, 4 – Master / Slave Control
Position
JP2 JP3 JP4
Pins
Description
1, 2
Master MICAB Select
2, 3
Second MICAB Slave Select
JP5 – Merged Page Line Impedance Control
Position Pins
Description
1, 2
Master MICAB Select
2, 3
Slave MICAB Select
Figure 9 - MICAB Jumper Settings
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