UNAOHM
36
EP2500 (Rev. 0)
2.
An input to use the instrument as a monitor for video signals.
3.
A connection to a decoder / external descrambler operating with video signals.
Audio and video signal levels and socket connections are standard.
7.21.1
Description of the Connections
1 – 3 =
Audio output right-left (The same one selected for internal audio).
2 – 6 =
Audio input right-left
4=
Audio ground.
8 =
Slow switching (Audio/Video).
17 =
Video ground.
19
= Composite video output.
20 =
Composite video input.
21 =
Ground.
5 - 7 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 -18 = N.C.
Figure 17
SCART pin location
7.22
RS232 SERIAL PORT CONNECTION
By means of the serial port RS232 it is possible to connect the instrument to a Personal Computer or
other devices.
7.22.1
Connections
The RS232 connector is located on the side panel of the auxiliary functions
(43)
.
Figure 18
shows the connector pin layout.
1 NC
Not connected.
2 Rx
Data reception. (Direction Instrument
→
PC).
3 Tx
Data transmission. (Direction Instrument
←
PC).
4 DTR
Data Terminal Ready (Direction Instrument
←
PC).
When this line is active the PC informs the instrument that the device is ready for
data exchange.
5 GND
Ground.
6 DSR
Data Set Ready (Direction Instrument
→
PC). The instrument activates
this line to inform the PC that it is ready for data exchange.
7 RTS
Request To Send. (Direction Instrument
←
PC). The instrument waits for this line to be
activated before transmitting data to the PC.
8 CTS
Clear To Send. (Direction Instrument
→
PC). This line when brought to an active level
informs the PC that data transmission may begin.
9 NC
Not connected.
