7
EMA x08/407
Part N
o
: 917x.xx
ENCODER/ MULTIPLEXER
SDI/ A/V
→
ASI(TS) & IP(TS)
HDMI
→
ASI(TS) & IP(TS)
A
LINE
2.2.2 Pole allocation of the audio sockets (EMA 308, 407, 408, 608)
The audio input ports are symmetrical. If they are used asymmetrically, pin 1 and 3 must be allocated as signal lines and pin 4, 5 and 2
as return lines (shielding/ ground).
Operating mode/ Functionality
Pin
Pin 8 = ground SPDIF
Pin
Operating mode/ Functionality
mono
dual
stereo
7 (n.c.)
6 (SPDIF)
*
stereo
dual
mono
not in use
channel
B
right
channel
3 (+)
1 (+)
left
channel
channel
A
signal
5 (-)
4 (-)
Pin 2 = shielding
Fig. 3: Pole allocation, audio socket
*
SPDIF: input of the digital audio signal; only available, if there are H.264/ AVC encoder modules (EMA 407/ EMA 408)
2.2.3 EMA variants with 48 V DC connection
The EMA also be offered as versions with 48 V DC connection (EMA x08: 917x.82, EMA 407: 9174.72). In these unit types make sure
that the specified voltage range and polarity are observed.
The rear view of the device variants is in the power supply as follows:
7
3
5
6
1
4
8
2
DC connection
On/ off switch
Fuse
