Ross GearLite SMC-9901, Руководство пользователя

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12 • Hardware Overview SMC-9901 User Guide (v4.0)
Power Status LED
Table 3.1 describes the behavior the Power LED.
RS-422 Connection
The SMC-9901 provides a single DB-9 connector for 38,400 baud serial RS-422 communication. Serial Tx and Rx
Status LEDs next to the ports show activity status. (
Figure 3.3 )
Figure 3.3 SMC-9901 — RS-422
For More Information on...
• the port pinouts, refer to the section “ RS-422 Pinouts ” on page 23.
Serial Status LEDs
Table 3.2 describes the behavior of the Serial Rx and Serial Tx LEDs.
MIDI Connections
The SMC-9901 provides a 5-pin DIN connector for MIDI in, and two 5-pin DIN connectors for MIDI out. MIDI In
and MIDI Out Status LEDs next to the ports show activity status. (
Figure 3.4 )
Figure 3.4 SMC-9901 — MIDI Connections
Table 3.1 Power Status LED
Status Description
Green When this LED is continually lit green, power is supplied to the SMC-9901
Off
Table 3.2 Serial Status LEDs
Status Description
Serial Rx
Green When lit, this LED indicates that RS-422 serial communication signals are
being received
Serial Tx
Yellow When lit, this LED indicates that RS-422 serial communication signals are
being transmitted
RS-422 Port
Serial Tx LED Serial Rx LED
MIDI OUT MIDI OUT MIDI IN
MIDI OUT Status LED MIDI IN Status LED