RTS DSI 2008 用户手册
6
Audio Connections for the Other 4-wire Communications Systems
1.
Construct 9-pin or RJ-11 cables to connect from the 4-wire system to the DSI 2008. To connect to the System A
hybrid, use either J2A or J3A; for the System B hybrid, use either J2B or J3B. Pin connections are as follows:
hybrid, use either J2A or J3A; for the System B hybrid, use either J2B or J3B. Pin connections are as follows:
2.
On the DSI 2008 front panel, set the 4W LEVEL REF SEL switches to the position which most closely matches the
audio input and output levels of your 4-wire system. If you don’t know the levels, select the +8 dB position for now.
audio input and output levels of your 4-wire system. If you don’t know the levels, select the +8 dB position for now.
9-Pin Connection
Connector Type: 9-pin male D-subminiature
Pin 1
No connection
Pin 2
No connection
Pin 3
No connection
Pin 4
Balanced Audio + 4-wire output
Pin 5
Balanced Audio - 4-wire output
Pin 6
No connection
Pin 7
Balanced Audio - 4-wire input
Pin 8
Balanced Audio + 4-wire input
Pin 9
No connection
RJ-11 Connection
Connector Type: RJ-11 plug
Pin 1
No connection
Pin 2
Balanced Audio + 4-wire input
Pin 3
Balanced Audio + 4-wire output
Pin 4
Balanced Audio - 4-wire output
Pin 5
Balanced Audio - 4-wire input
Pin 6
No Connection