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Installation Guide
COM 1
COM 2
a
Rear side
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
3.2 LABEL FOR IP ADDRESS/HOST NAME
To facilitate future support and access to the module, the product's IP address or Host
name can be printed on a blank label and attached as shown in
34/1531-ANF901 43 B1 2016-03-31
LAN 1
S900
A-bus
LON
1
2
1
2
LAN 2
S900
A-bus
b
c
1
2
d
Serial (COM) connections:
2 × RS232 (D-sub-9 male connectors), used for external interfaces
(ESPA, Ascom Line protocol, and TAP)
LAN:
2 (One is not used) × 10baseT or 100baseT Ethernet (Modular jack,
RJ45)
S900 connections:
Modular jacks (RJ45) used for connection of A-bus from System 900
with modular system bus cabling.
A-bus:
Screw connector for connection of A-bus from System 900 when
modular system bus cable is not used.
LON connections:
Not used
V+ Ext/GND Ext connections
External 12 V power supply to provide galvanic isolation of the inputs
and outputs, see below.
AUX In and AUX Out:
2 × galvanically isolated open collector AUX outputs, 100 mA, 30 V DC
2 × digital AUX inputs
Error relay connection:
Used for connection of a lamp/siren used to indicate if the product is
malfunctioning.
12-24 V DC connection:
Used for connection of external backup battery/power supply
100-240 V AC:
Used for connection of supply voltage.
100-240V 275mA 50-60 Hz
+V
In
In
Out
Out
GND
Error
12-24 V DC 1A
Ext
1
2
1
2
Ext
1
2
+
-
LON
+V
In
In
Out
Out
GND
Error
12-24 V DC 1A
1
2
Ext
1
2
1
2
Ext
1
2
+
-
e
f
g
f h
i
TD
j
Figure
3.
7
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Troubleshooting
