Date printed: 28.02.11
OnAir 3000 Digital Mixing Console
Important
WIRING – IMPORTANT
The OnAir 3000 RS422 and Ethernet wiring must comply with
the following requirements:
Cable Type: Cat 5e, with shielded connectors on both ends
Cable Dimensions
Max. Length
for Screens
Max. Length
for Motor
Fader
Modules
Max. Length
for Other
Modules
Min.
AWG
Min.
Sectional
Area
20 m 30 m 100 m 24 0.21 mm
2
13 m 18 m 60 m 26 0.13 mm
2
Details Cat(egory) 5e Cable is an enhanced version of Cat 5 that adds specifications for far-end crosstalk.
It replaced the specification for Cat 5 with the 2001 introduction of the TIA/
EIA-568-B standard. Cat 5e cable performance characteristics and test meth-
ods are defined in TIA/EIA-568-B.2-2001.
RS422 Cables (Cat 5e) (both ends with shielded connectors) from the distribution box to all kinds
of desk and screen modules.
Distribution Box
Wire Color
Desk Module
Signal Pin Pin Signal
+24 V *
1
2
wht/org
org
1
2
+24 V *
RX+ 3 wht/grn 3 TX+
TX+ 4 blu 4 RX+
TX– 5 wht/blu 5 RX–
RX– 6 grn 6 TX–
Gnd *
7
8
wht/brn
brn
7
8
Gnd *
Ethernet Cables (Cat 5e) (both ends with shielded connectors) for use between the SCore host card
and the main screen module (via hub/switch), as well as for HD Link, D21m
control, and networking connections. Since modern hubs and switches have
auto polarity selection, straight-through cables may be used in any case.
Signal Pin
Wire Color
Pin Signal
TX+ 1 wht/org 1 TX+
TX– 2 org 2 TX–
RX+ 3 wht/grn 3 RX+
4 blu 4
5 wht/blu 5
RX– 6 grn 6 RX–
7 wht/brn 7
8 brn 8
* Caution Connectors are identical on the RS422 and the Ethernet cables.
Make sure not to mix them up since the RS422 sockets carry
DC supply voltage!
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