NEC Aspila EX Hardware Manual page 77

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Switch Switch
Name Position
SW100 ON
SW200
SW300
SW400
SW500
SW600
SW700
SW800
OFF
CN102 ON
CN202
CN302
CN402
OFF
Connector Pin-Outs on BRIU PCB
Aspila EX Hardware Manual
Chuyên phân phối tổng đài NEC
Section 2: PCB Installation and Startup
Result
Termination resistor This switch should be set to ON:
is ON 1. When T-Bus with Point-to-Point is selected.
2. When T-Bus with Point-to-Multipoint is selected
last
3. When S-Bus is selected.
Termination resistor When T-Bus with Point-to-Multipoint is selected and if
is OFF the Aspila EX system is not connected to the last port of
the Bus connection, this switch should be OFF.
With S-Bus selected, If S-Bus is selected, this switch should be ON if the
the Feeding Power is connected device requires line power.
supplied to the termi-
nal.
With T-Bus selected, If T-Bus is selected, this switch should be OFF.
the Feeding Power is
not required
RJ45 Cable Connector - CN5, CN6, CN7, CN8
RJ45 Cable Connector - CN5, CN6, CN7, CN8
Comments
and if the connection to the Aspila EX system at the
port of the Bus connection.
S-Bus Connection
Pin No.
1
2
3
4
5
6
7
8
T-Bus Connection
Pin No.
1
2
3
4
5
6
7
8
Section 2: PCB Installation and Startup
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Connection
-
-
RA
TA
TB
RB
-
-
Connection
-
-
TA
RA
RB
TB
-
-
2-35
2