OnAir 2000M2 Digital Mixing Console
15-18 HW Modules SW V 4.0 Date printed: 12.11.03
15.14 Monitoring Module w. Extension 1.942.138.xx/1.942.181.xx (Option)
The monitoring module can be extended in two stages; in both cases, the
basic functions of the monitoring module as described in chapter 15.13
will be maintained. The basic unit can be extended by one or two PCBs; in
addition, a modified connector panel is required as well.
Monitor Extension 1: The extension 1.942.136.xx allows five more sources to be monitored, two
of them being digital. Selection is made with the mutually releasing spare
keys F1...F5 in the monitoring section or by external control signals via
opto-couplers. Depending on the configuration, these keys can control
other functions, too, such as relays or signaling functions etc. Two sum-
ming amplifiers and two relays used with the monitor extension 1+2 com-
plete the functionality.
Monitor Extension 1+2: All functions mentioned above are included; in addition, two VCA mod-
ules, two electronically balanced line outputs, a D/A converter and two
relays are installed on one more PCB (1.942.137.xx). These components
allow the implementation of customer-specific circuits.
Pin Assignments: EXTERN MONITOR INPUT (EXT.) (39-pin Siemens, male):
Pin Signal Pin Signal Pin Signal
1A EXT1 IN + left 1B EXT1 IN – left 1C Chassis
2A EXT1 IN + right 2B EXT1 IN – right 2C Chassis
3A EXT4 IN + left 3B EXT4 IN – left 3C Chassis
4A EXT4 IN + right 4B EXT4 IN – right 4C Chassis
5A EXT5 IN + left 5B EXT5 IN – left 5C Chassis
6A EXT5 IN + right 6B EXT5 IN – right 6C Chassis
7A EXT6 IN + left 7B EXT6 IN – left 7C Chassis
8A EXT6 IN + right 8B EXT6 IN – right 8C Chassis
9A EXT7 IN + (digital) 9B EXT7 IN – (digital) 9C Chassis
10A EXT8 IN + (digital) 10B EXT8 IN – (digital) 10C Chassis
11A EXT OUT + left 11B EXT OUT – left 11C Chassis
12A EXT OUT + right 12B EXT OUT – right 12C Chassis
13A n.c. 13B n.c. 13C n.c.
1
3
2
STUDIO
MON
CTRL
MONITORING
SIGN.
STUDIO MONITOR (AUDIO)
EXT
PFL
CTRL
CR OUT
L
R
GUEST
CTRL
EXTERN MONITOR INPUT (EXTENSION)
EXTERN MONITOR INPUT
EXTENSION
CTRL 2
EXTENSION
CTRL 1
1
3
2
C
1
A
2
3
4
5
6
7
8
9
10
11
12
13
B
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