Installation | Gateway 400 User Guide
19
Use the Telephony | ISDN menu item (Page 29) to set the Bus mode according to the following crite-
ria:
Bus mode
Short passive bus Distance between terminal devices and Gateway 400: max. 200 meters.
Max. 12 sockets and 8 terminal devices. Used only in point-to-multipoint
mode.
Extended passive bus Distance between terminal device and Gateway 400: max. 1000 meters.
Only one terminal device can be connected (point-to-point connection).
Used in point-to-point or point-to-multipoint mode; in special cases, with
only one terminal (default).
This setting is also used for the “extended passive bus”. The extended pas-
sive bus is at least 100 meters and no more than 500 meters long. The ter-
minal devices may only be connected to the final 50 meters of the bus.
Max. 12 sockets and 4 terminal devices. Used in point-to-multipoint mode.
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