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D8125MUX | Operation and Installation Guide | 2.0
2.0 Operation
The D8125MUX continuously monitors itself for
proper operation and indicates its condition using the
green Operation LED (Figure 1). Refer to Table 1 for
a description of the Operation LED.
Figure 1:
D8125MUX Multiplex Bus Interface
Module
1
RESET
12V
IN
OUT
GND
FIRE MANUAL
PROG
PORT
ZONEX BUS
WALK TEST
1 - Operation LED
Table 1:
Operation LED Descriptions
LED Status
Meaning
Flashing 1/2
The D8125MUX scans its
second on, 1/2
programmed multiplex points and
second off
operates normally.
Off
A module fault is indicated. Refer
to Section 5.0 Troubleshooting on
page 22.
On
The Multiplex Point Programmer
is connected to the D8125MUX.
Double flash
Reset the D8125MUX EEPROM
with the reset pin by plugging in
the D5060 Programmer and
placing the shorting bar over the
reset pin. The LED rapidly flashes
twice followed by a pause.
4
+
-
+
-
+
-
+
-
POWER B
POWER A
MUX BUS A
MUX BUS B
Operation
3.0 Installation
Use the D5060 Programmer (Figure 2 and Table 2) to
program multiplex bus points for the D9412GV2,
D7412GV2, D7212GV2, D9412G, D7412G, D7212G,
D9412, D7412, D7212, and D9112 Control Panels. In
addition to programming points, the D5060 can also
be used to program and read information from a
D8125MUX.
Figure 2:
D5060 Multiplex Point Programmer
EXT.
POWER
INTERROGATION MODE
ON
(HOLD)
YES
1
4
DOWN
7
*
CLEAR
MULTIPLEX POINT PROGRAMMER
Table 2:
D5060 LED Definitions
Display
Definition
Adr
Enter address.
A.dr
Enter address for Interrogation Mode.
bAd
Battery voltage is below 15 V.
Err
Point was not programmed correctly.
Lob
Battery voltage is below 16 V.
noP
No response from point.
PnL
Communications with the D8125 failed.
rSP
Point responds to address.
tYP
Enter point type.
t.YP
Enter point type for Interrogation Mode
Bosch Security Systems, Inc. | 10/09 | F01U034973-02
SERIAL PORT
MUX
POINTS
NO
2
3
5
6
UP
9
8
0
#
ENTER
OFF
(HOLD)
INTERROGATE
(HOLD)
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