19
Interface module DL485/13-xx-ST-SBT
Pin assignments
118
Building Technologies
008837_q_en_--
Fire Safety
14.05.2012
19.3.3
Fiber optic cable connection
Designation
Description
RX
Fiber optic connection, optical receiver
TX
Fiber optic connection, optical transmitter
B2
A2
B1
A1
1
2
3
4
FCM200x
FN2001
X3
X13
FCnet
D+
D-
4
1
DL485/13-
+Usys
-Usys
B2
A2
B1
A1
1
2
3
4
FCM200x
FN2001
X3
X13
FC20xx
FC20xx
FCnet
RX
TX
RX
TX
4
1
1
6
1
6
D+
D-
+Usys
-Usys
VDC1
GND
VDC1
GND
DL485/13-
+Usys
+Usys
Wiring the interface module DL485/13-MM-ST-SBT in the FCnet
Wiring
WARNING
Heavily concentrated light
Eye damage
Do not look into the red light of the transmitter (TX).
The fiber optic cable is wired cross-wise:
The optical transmitter (TX) of one device must always be connected with the
optical receiver (RX) of the other device.
The bending radius of the fiber optic cable must not be less than 20 mm.