Table 1. LED Indicators (Continued)
LED
LED State
Behavior
Port 4 100
Steady
1
100 Mbit link speed selected on port 4
Off
2
10 Mbit speed selected on port 4
Master/Slave Switches
Switches on the left side of the front panel control master/slave selection for the 100BASE-T1
Automotive Ethernet ports.
Switch
Description
Position
P1 MASTER/SLAVE 100BASE-T1 port 1 master/slave
selection
Up: Master mode selected
Down: Slave mode selected
P3 MASTER/SLAVE 100BASE-T1 port 3 master/slave
selection
To establish a link between two 100BASE-T1 ports, one port must be configured as master
and the other as slave. The IVN-8561 allows you to establish a link with a port in any
configuration by selecting the appropriate mode with the front panel switch.
When you change the MASTER/SLAVE switch selection, the IVN-8561 immediately changes
the configuration and resets the corresponding 100BASE-T1 and 100BASE-TX ports for that
channel. The master/slave configuration of one channel can be changed without affecting the
other.
DIN Rail Mounting
The NI 9913 DIN rail mounting kit (part number 781740-01) contains one clip for mounting
the IVN-8561 on a standard 35 mm DIN rail. The four holes on the bottom of the IVN-8561
allow the device to be mounted in multiple orientations.
Fasten the DIN rail clip to the IVN-8561 using two FLH #6-32 x 5/16" screws (included in the
kit) with a #2 Phillips screwdriver, as shown in the following figure.
6
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IVN-8561 Getting Started Guide
