Specifications
DS7400Xi Ver. 3+ Reference Guide Copyright © 1995-96 Detection Systems, Inc. Page 9
4.0 Hardware Layout Example
• Up to 15 keypads may be used. Keypads #1 - #10 connect to the Keypad Bus and keypads #11 -
#15 connect to the Option Bus. One keypad must be designated as keypad #1 and connected to
the Keypad Bus. See the DS7447 and DS7445 Installation Instructions for further details.
• A DS7420i (Dual Phone Line/Bell Supervision Module) may be connected to the control panel, and
placed within the enclosure. Connect to the Options Bus of the control panel. See the DS7420i
Installation Instructions for further details.
• A DS7430 (Multiplex Expansion Module) may be connected to the control panel via the expansion
port. This will allow for the connection of additional zones via the Options Bus. See the DS7430
Installation Instructions for further details.
• Up to 15 DS7432s (8 Input Remote Modules) may be connected to the DS7430. Connect to the
Power and Bus terminals of the DS7430. This allows for a means of addressing up to 120 input
loops of conventional contacts to the control panel. See the DS7432 Installation Instructions for
further details.
• A DS7488 (Octal Relay Module) may be connected to the control panel, and placed within the
enclosure. Connect to the Options Bus of the control panel. This provides an additional 8 Form
“C” relay outputs for the control panel. See the DS7488 Installation Instructions for further details.
• A Communications Module may be connected to the control panel via the Options Bus. This
allows for connection to the ARDIS radio network.
• Up to 128 zones are available for the connection of Single, Multiple, Input/Output, and Multiplex
devices.
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
Perimeter
Supervisory
Bell Silenced
Trouble
12345678
®
DS7488 Octal
Relay Board
DS7400Xi
DS7400Xi
+–+–
Power Bus
DS7420i Dual Phone
Line/Bell Supervision
Module
DS7432 8 - Input
Remote Modules
DS7447 and DS7445 Keypads
R
ARDIS Interface Module
DS7450/52 Series Contacts,
DS7460 Input Modules and
DS7465 Input/Output Modules
47KΩ
Dry contact inputs
DS7430
Keypads #11 - #15 must be connected to
the Options Bus. Keypads #1 - #10 must
be connected to the Keypad Bus.
®
Note: Ensure at least 1/4" separation between
battery wires and all other cabling.
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
®
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
®
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
®
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
®
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
®
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
Perimeter
Supervisory
Bell Silenced
Trouble
12345678
®
Armed
Status
Power
Fire
1 23
456
789
0
*
#
On
No
Entry
System
Reset
Bypass
Only
Perimeter
Off
Perimeter
Supervisory
Bell Silenced
Trouble
12345678
®
B
G
Y
+
–
+
–
12345678
POWER BUS
+
–
+
–
12345678
POWER BUS
+
–
+
–
12345678
POWER BUS
+
–
+
–
1234567 8
POWER BUS
1
2
34
5
2
G
1
-
+
BUS
NO
-
+
BUS
1
2
3
1
G
C
NC
–+––
RTRTTTRRTRT
–
–
Option
Bus
Battery
Bell Output
Auxiliary
Output
Point 1 Input
Class “A” Loop +
House Line 2 Ring
House Line 2 Tip
Telco Line 2 Ring
Telco Line 2 Tip
Control House Tip
Control Line Tip
Control House Ring
Control Line Ring
Telco Line 1 Ring
Telco Line 1 Tip
House Line 1 Ring
House Line 1 Tip
Loop Power +
Class “A” Loop +
Class “A” Loop –
Class “A” Loop –
+
–
R
++
+
–
+
–
G
R
B
1
2
3
4
5
6
7
8
9
10
Y
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
Battery Battery