Installation RS20/22/30/32/40
Release 07 10/2021
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For the device variants RS40-..., you have the option of using either Gigabit
Ethernet SFP transceivers or Fast Ethernet SFP transceivers at the combo
ports.
Verify that you connect LH ports only with LH ports, SX ports only with SX
ports, and LX ports only with LX ports.
1.3.5
100 Mbit/s F/O port
Figure 13: Sending and receiving directions for device variants with DSC or DST
ports
In device variants RS20 and RS22, these ports are DSC sockets or ST
sockets.
In device variants RS30, RS32 and RS40, these ports are SFP slots.
The 100 Mbit/s F/O port allows you to connect network components
according to the IEEE 802.3 100BASE-FX standard.
This port supports:
Full or half duplex mode
Default setting: Full duplex
Note:
Verify that the LH ports are connected only with LH ports, SM ports
only with SM ports, and MM ports only with MM ports.
1.3.6
Gigabit combo port
You have the option of alternatively connecting a twisted pair cable via a
RJ45 socket or an optical fiber via a SFP transceiver to a combo port.
You obtain appropriate SFP transceivers as an accessory.
By inserting a SFP transceiver, you deactivate automatically the
corresponding twisted pair interface.
RS20
+24V(P1)
0V 0V
FAULT
+24V(P2)
4
6
8
5
7
9
LS
DA
2
LS
DA
1
LS
DA
3
RM
Stand by
A
ufk
leber M
A
C-A
d
resse
IP
-ADDRESS
V.24
USB
P
Stand by
FAULT
RM
ON
RS20
RM
Stand by
A
u
fk
leber M
A
C-A
d
re
sse
IP
-ADDRESS
V.24
USB
P
Stand by
FAULT
RM
ON
1
2
LS
3
DA
LS
4
DA
LS
2
DA
LS
1
DA
24V P1
V
V
FAULT
24V P2