Oxygen 5 Digital - User Manual
Version 2.5 - 12/22/2010
Axel Technology srl
www.axeltechnology.com
|
Available I/O rac k
cards
84
8.4 Line output card
There are four balanced stereo line outputs available on each card.
Each RJ45 connector represents a stereo line output and two GPIO’s which can be
connected to the 19” patch panels with a shielded twisted pair (STP) cable.
For each GPIO you can choose, by way of a hardware jumper on de board, between TTL
Input/Output or Photo-MOS relay output see chapter 9.3.1 GPIO TTL/Relay selection
Table 8-4: Line output RJ45 connection
Pin Con. Pair Pin name Function
Comment
1
1A
1
+Audio 1 Left line output in-phase
Imp. 56
Ω
max. level +26dBu
2
1B
-Audio 1
Left line output out-phase
3
2A
2
+Audio 2 Right line output in-phase
Imp. 56
Ω
max. level +26dBu
6
2B
-Audio 2
Right line output out-phase
5
3A
3
GPIO1a
TTL in/out or relay out, see 9.3.1
4
3B
GPIO1b
7
4A
4
GPIO2a
TTL in/out or relay out, see 9.3.1
8
4B
GPIO2b
S GND S
Shield
GND
Audio ground and
reference for GP-
In