User's Manual
Table Of Contents
- 1 System Overview
- 2 Features Summary
- 3 EXACT-V2 Rack
- 3.1 EXACT-V2 mechanics
- 3.2 Interface characteristics
- 3.3 Front Panel signalization (LEDs description)
- 3.4 Power requirements
- 3.5 Performances and technical characteristics
- 3.5.1 General characteristics
- 3.5.2 Control and data Ethernet interfaces
- 3.5.3 Serial control interfaces
- 3.5.4 ASI inputs / output and MPEG-TS processing
- 3.5.5 Digital modulation
- 3.5.6 Clock synchronization
- 3.5.7 RF and monitoring outputs
- 3.5.8 Digital precorrection
- 3.5.9 Power level measurement inputs and AGC
- 3.5.10 Dry contacts
- 3.6 Conformity with EC Directive
- 4 EXACT-V2 Installation
- 5 Operation
- 6 Maintenance & Troubleshooting
- Appendix A GPS Installation Recommendations
- Appendix B Example of GPS Antenna
USER
MANUAL
MPD-1611291-A
EXACT-V2 High End Rack Modulator / Exciter
3/10/2017
MPD-1611291-A
Page 51/94
Alarm
x 2
General
Function:
Alarm relays
Name:
GPIO / GPIO2
Connector:
SubD9 connectors
Type:
Dry contacts / GPI / VDC
in
/ VDC
out
PIN
Name
Dir
1
RELAY1_Normally_Open (Open when active alarm)
2
12 VDC output through 2.7 Kohms resistor and
protection diode
3
RELAY2_COM
4
RELAY3_ Normally_Open (Open when active alarm)
5
GND (cathode of the opto-coupler diode)
6
RELAY1_COM
7
RELAY2_ Normally_Open (Open when active alarm)
8
Anode of the opto-coupler diode through 330 ohms
resistor
9
RELAY3_COM
Shield
GND
PIN
Name
Dir
1
RELAY4_Normally_Open (Open when active alarm)
2
12 VDC output through 2.7 Kohms resistor and
protection diode
3
RELAY5_COM
4
RFU
5
GND (cathode of the opto-coupler diode)
6
RELAY4_COM
7
RELAY5_Normally_Open (Open when active alarm)
8
Anode of the opto-coupler diode through 330 ohms
resistor
9
RFU
Shield
GND
Figure 38 : Alarms Port