Selecting Interface Com1 Or Com2 - Siemens CKA4820 V2 Benutzerhandbuch

Configuration of SIMATRIX

11.2.1 Selecting interface COM1 or COM2

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Siemens Building Technologies
Fire Safety & Security Products
Fig. 32 Control unit connected to SIMATRIX RS232 interface (COM-X)
In this operating mode, a video matrix is connected to the control unit interface
(COM1A). The telemetry devices to be controlled are connected to the TTY
interface of the video matrix (Fig. 32).
To select an interface use the following key combination on the control unit:
Key sequence
or
2
SISTORE AX devices may not be selected for connection to both interfaces COM1 and
COM2 at the same time.
IMPORTANT
If SISTORE AX is selected in the configuration menu of the control unit for both
interfaces, then the error message Config. - ERROR!! appears on the display.
Description
Selection of the interface
1. Keep POS key depressed.
2. Press either key 1 (interface 1) or key 2 (interface 2).
03.2009