Specifications

Installation
3.4 Installation Overview - more than 16 BU-panels
The following system blocks are referred to in this overview:
EAU-321 AutroSafe Serial Communication Board in
AutroSafe panel.
BSL-337 AutroSafe BU-70 Interface
BSL-12/2 Current Loop/RS-232 Converter
BU-70 Display Unit
BU-100/BU-101 Parallel Operation Panel
If the AutroSafe panel is to be connected to more than 16 BU-panels,
an additional BSL-337 interface and Current Loop/RS-232 Converter
BSL-12/2 must connected to the other available AutroCom port. Up to
2 AutroCom ports can be used per AutroSafe panel, allowing a
system setup consisting of a maximum of 32 BU-panels.
Interfacing BU70 Display Units and BU100/BU101 Panels, AutroSafe Interactive Fire-Alarm System,
116-P-BSL337/EE, Rev. D, 2007-01-25,
Autronica Fire and Security AS
Page 12
EAU-321
AutroCom
BSL-337
AutroSafe
RS-232
Port 1
20mA Current
Loop
ASSP
RS-232
24VDC
BSL-12/2
24VDC
BU-70/
BU-100/101
1-16
Port 2
BSL-337
AutroCom
RS-232
20mA Current
Loop
ASSP
RS-232
24VDC
BSL-12/2
24VDC
BU-70/
BU-100/101
17-32