Interfaces & connections
Mounting and Installation, Technical Description, T 811 065 en
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3.4
EPI bus for external indication and control maps (X6)
The EPI bus is a data bus for connecting external indication and control panels. Up to 3 participants can be connected to the
EPI bus and operated up to 1 m from the SF500.
The following devices can be connected to the X6 interface (EPI bus) of the B7-CPB11 main control unit: Fire brigade control
panel Switzerland (B5-EPI-FPC), Fire brigade control panel Germany (B5-EPI-FPD), Fire brigade indicator board (B5-EPI-
FAT), Fire brigade control panel Czech Republic (B5-EPI-FPCZ), Fire brigade panel Sweden (B5-EPI-FPS-S), Alarm Scrolling
Panel (B5-EPI-ASP), Indication and control map
(
B5-EPI-PCM-GS), LED display panel (B5-EPI-PIM-GS).
3.4.1
EPI bus (X6) connection
Designation
Pin
Pin
Designation
GNDP
1
2
VP
3
4
EXTBUS-
+3V3
5
6
+3V3
GND
7
8
GND
3.4.2
Technical data
Electrical:
RS485
Range:
max. 1 m
Transmission type:
9.6 kBaud
asynchronous,
bidirectional, half-duplex
Mechanical design:
RJ-45 connector, 8-pin
