
Expansion units for SecuriFire 2000
Mounting and installation, Technical Description, T 811 086 en e
57 / 128
6.21
Connection to management and third-party systems (redundant)
6.21.1
Connection to an interface-redundant management system via RS422
SW1
SW1
SW2
SW2
DATA +
DATA +
DATA -
DATA -
N.C.
N.C.
N.C.
N.C.
TX +
TX +
TX -
TX -
RX +
RX +
RX -
RX -
+ Vs
+ Vs
GND
GND
1
1
1
1
2
2
10
10
DB9
RS232
DB9
RS232
3
5
2
3
5
2
ADAM 4520
ADAM 4520
VExt
GNDExt
B6-PSU
SecuriFire 2000
RxD
TxD
GND
2
3
5
2
3
5
COM x
DB9
COM y
DB9
PC
RS422 (SW 2: 10 on)
11 data bits (SW 1: 2 on)
RS422 (SW 2: 10 on)
11 data bits (SW 1: 2 on)
TxD0+
TxD0-
RxD0+
RxD0-
GND0
3
B4-USI
Stecker 0 (X2)
4
2
1
9
TxD1+
TxD1-
RxD1+
RxD1-
GND1
3
B4-USI
1 (X2)
Stecker
4
2
1
6
Fig. 76 Connecting interface-redundant management system to RS422 interface