Siemens SIMATIC NET Operating Instructions Manual page 22

Description of the device
3.5 Installation guide
Bypass mode
In bypass mode, the network interfaces of the bypass relay (P1 and P2) are connected
together.
The network components 1 and 2 are connected via the bypass relay.
If two network components are connected via a bypass relay with TAP function, the
attenuation in the send and receive direction is the same.
Variant TAP function
SCALANCE Without TAP function
XC100-4OBR
(single mode)
With TAP function
SCALANCE With TAP function
XC1004OBR
(multimode)
22
Connection
Network component 1 → network component 2
Network component 2 → network component 1
Network component 1 → network component 2
Network component 2 → network component 1
Network component 1 → network component 2
Network component 2 → network component 1
Operating Instructions, 10/2013, C79000-G8976-C297-02
Attenuation
at 0 °C to 60 °C
1.0 dB
3.9 dB
4.3 dB
SCALANCE XC100-4OBR