Studer OnAir 3000 Service Instructions Manual page 17

WIRING – IMPORTANT
Details Cat(egory) 5e Cable
RS422 Cables (Cat 5e)
Top (tab
down):
Front:
Ethernet Cables (Cat 5e)
Top (tab
down):
Front:
* Caution
Date printed: 28.02.11
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
20 m
13 m
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.
(both ends with shielded connectors) from the distribution box to all kinds
of desk and screen modules.
Distribution Box
1 8
Signal
+24 V *
RX+
TX+
TX–
RX–
Gnd *
1 8
(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.
1 8
Signal
TX+
TX–
RX+
RX–
1 8
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!
Order no. BD10.275230
OnAir 3000 Digital Mixing Console
Max. Length
Max. Length
for Motor
for Other
Fader
Modules
Modules
30 m 100 m
18 m 60 m
Wire Color
Pin
1 wht/org
2 org
3 wht/grn
4 blu
5 wht/blu
6 grn
7 wht/brn
8 brn
Pin
Wire Color
1 wht/org
2 org
3 wht/grn
4 blu
5 wht/blu
6 grn
7 wht/brn
8 brn
Min.
Min.
Sectional
AWG
Area
24 0.21 mm
2
26 0.13 mm
2
Desk Module
Pin Signal
1
+24 V *
2
3 TX+
4 RX+
5 RX–
6 TX–
7
Gnd *
8
Pin Signal
1 TX+
2 TX–
3 RX+
4
5
6 RX–
7
8
Important