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Port Assignment, Termination, Cable Length
48
Installation
Port Assignment,
Termination, Cable Length
S
0
Ports
All S
0
ports can be externally connected (i. e. on ISDN network
terminations). The S
0
2 port and all S
0
ports on additionally
installed interface cards can also be internally connected. Simulta-
neous use of one S
0
port as internal and external port is not possi-
ble.
Whether you use switchable S
0
ports for internal or external com-
munication will depend on your individual communication require-
ments and the existing basic connections.
Please note that the S
0
buses each require a terminating resistor
of 100 ohms at each end.
Check: Is the terminating resistor switched on in the NTBA?
Forum 523/524’s software is used to switch on the terminating
resistor. You can adjust this setting when configuring the S
0
ports
in the
Configurator
on the Web console.
Содержание Forum 523
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