MCS-Bacnet-Router2
REVISION 2
8
3.3.
Mounting
The device comes prepared for mounting on DIN rails following DIN 50 022. The device can be mounted in
any position. However, an installation place with proper airflow must be selected to ensure that the MCS-
BACNET-ROUTER2’s temperature does not exceed the specified range (see Chapter 10).
3.4.
LED signals
3.4.1
Power LED
The MCS-BACNET-ROUTER2 power LED lights up green when power is supplied to terminals 16 and 17.
3.4.2
Status LED
The MCS-BACNET-ROUTER2 is equipped with a red status LED (see Figure 1). This LED is normally off.
If the fall-back image is executed, the status LED flashes red once every second.
3.4.3
MSTP Activity LED
The MS/TP port has a three-color MSTP Activity LED (see Figure 1). Table 1 shows the different LED patterns
of the port and their meaning. A permanent color reflects a state. Flicker is for 25 ms when there is activity on
the MS/TP data link layer.
Behavior
Description
Comment
GREEN
permanently,
flicker off
Multi-Master, token ok, flicker when traffic
Normal condition on a multi-
master MS/TP network.
ORANGE flicker
Sole master, flicker when traffic
Normal condition on a single-
master MS/TP network.
RED permanent,
flicker GREEN
Token lost state, flicker when transmit
attempt
Cable might be broken.
RED flash fast
Transmission or receive errors
This indicates bad cabling.
Table 1: MS/TP Activity LED Patterns
3.4.4
Ethernet Link LED
The Ethernet Link LED lights up green whenever an Ethernet cable is plugged-in and a physical connection
with a switch, hub, or PC can be established.
3.4.5
Ethernet Activity LED
The Ethernet Activity LED lights up green for 6 ms whenever a packet is transmitted or received or when a
collision is detected on the network cable.
3.4.6
BACnet/IP LED
The BACnet/IP LED flashes green for 25 ms when BACnet packets are transmitted or received over the
BACnet/IP interface.
