OnAir 2000M2 Digital Mixing Console
Date printed: 12.11.03 SW V 4.0 HW Modules 15-21
15.15 Serial Interface Module 1.942.145.xx (Option)
This module provides a serial communication link according to either
RS232 or RS422 specification (switch-selectable). It is used for the con-
nection to and communication with a computer-assisted broadcasting sys-
tem (CAB); for details on CAB systems refer to chapter 10.
Pin Assignments: RS422 (D-type, 9 pin, male):
Pin Signal Pin Signal
1 GND 6 n.c.
2 RX + (PC to console) 7 RX – (PC to console)
3 TX – (console to PC) 8 TX + (console to PC)
4 n.c. 9 n.c.
5 n.c. TX: transmit; RX: receive
RS232 (D-type, 9 pin, female):
Pin Signal Pin Signal
1 DCD (Note 1) 6 DSR (Note 1)
2 TX (console to PC) 7 RTS (Note 2)
3 RX (PC to console) 8 CTS (Note 2)
4 DTR (Note 1) 9 n.c.
5 GND TX: transmit; RX: receive
Note 1: DCD, DTR, and DSR are connected internally
Note 2: RTS and CTS are connected internally
15.16 Clock Sync Module 1.942.135.xx (Option)
The OnAir 2000M2 console can be equipped with a clock sync module
which allows the console to be synchronized to external clock sources.
Synchronizing to the following external signals is provided:
AES/EBU 32 kHz, 44.1 kHz, 48 kHz;
Word clock 32 kHz, 44.1 kHz, 48 kHz;
Video sync 25 frames/s, 29.97 frames/s, 30 frames/s. The termination is
jumper-selectable, refer to chapter 16.9. If synchronized to
video sync, the sampling rate is either 48 kHz or, for
29.97 frames/s, 47.952 kHz.
If no clock sync module is installed or if no valid external clock signal is
available, the console runs from its own internal 48 kHz clock reference.
Pin Assignments: AES SYNC INPUT (3pin, female):
Pin Signal
1 Chassis
2 Input +
3 Input –
WCLK INPUT, WCLK OUTPUT, VIDEO IN (BNC, 75 Ω):
Pin Signal
Inner Input
Outer GND
3
1
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SERIAL IF
RS422
RS232
SYNC
AES
SYNC
INPUT
WCLK
INPUT
WCLK
OUTPUT
VIDEO
IN
3
1
2
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