4-2
FLEXNET – FNER Expandable (Modular) Routing Switches – Installation & Operation Manual
CHAPTER 4: INITIALIZING SYSTEM FROM THE KEYPAD
4.2.3 Set Address
Get to the Serial Address screen on the front panel. The screen will look like Figure 6.
To get to the Serial Address screen from the main menu: key sequence 2, 2, 1, 1.
2. System Options
2. Interface Options
1.
Serial
1.
Address
Figure 6: Serial Address
To change the address, use the up and down arrows until the desired address is displayed, then press F1 to select the new
address. No change is made until the F1 key is pressed. The address range is from 00H to FEH. Do not use FFH as an
address. Press F4 repeatedly to back out to the main menu again.
4.2.4 Mode
Option 2 of the Serial Interface Menu opens the Mode screen of Figure 7.
To get to the Mode screen from the main menu: key sequence 2, 2, 1, 2.
2. System Options
2. Interface Options
1.
Serial
2.
Mode
Figure 7: Mode
The Mode screen enables you to specify whether an RS-232, RS-485, or RS-422 serial interface will be used to communicate
with the Control In serial communications port. Select the appropriate protocol and back out by pressing F4.
4.2.5 RS-485 Termination
Option 3 of the Serial Interface Menu opens the RS-485 Termination screen shown in Figure 8.
To get to the RS-485 Termination screen from the main menu: key sequence 2, 2, 1, 3.
2. System Options
2. Interface Options
1.
Serial
3.
Terminate
RS-485
Figure 8: RS-485 Termination
This screen enables you to specify how the Control In port is terminated. This setup is only necessary if you are using RS-
485 communications on the port. If you are not using RS-485 communications then these settings should be turned off. There
is an entire section of this manual that explains the details of RS-485 termination. Refer to section
for assistance