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Comtech EF Data CRS-200 User Manual

Page 46

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Front Panel Operation

CRS-200 Redundancy Switch

7–8

Rev. 1

7.1.3.14

(CONFIG, REM, INTFC)

ELECT. INTERFACE: RS232
RS485-2W RS485-4W (ENT)

If INTERFACE is selected:

The user is prompted to select RS232, RS485 (2-wire), or RS485 (4-wire), using the
LEFT/RIGHT arrow keys, then to press ENTER. At this point the user will be further
prompted to enter the bus address. In RS232 mode the bus address is fixed at 0, and the
following screen will be displayed:

7.1.3.15

(CONFIG, REM, INTFC, ADDR) RS232 BUS ADDRESS

IN RS232 MODE THE BUS
ADDRESS IS FIXED AT 0000

However, if either RS485 mode is selected, the user will be further prompted:

7.1.3.16

(CONFIG, REM, INTFC, ADDR) RS485 BUS ADDRESS:

EDIT SWITCH BUS ADDRESS:
3000 (PRESS ENTER)

The user is prompted to edit the RS485 bus address of this unit. This is accomplished by
selecting the digit to be edited, using the LEFT/RIGHT arrow keys. The value of the digit
is then changed using the UP/DOWN arrow keys. The user should then press ENTER.
The valid addresses are 1000, 3000, 5000 and 7000 only, as explained in the Remote
section of this manual.