MRC DXL5000 RX - Page 66

Theory of Operation 6-2DXL5000 User and Technical Manual
Figure 6-1: DXL5000 Transmitter Block Diagram - Typical
Back Panel
Transmitter
Interface Board
Normal / High Power
Amplifier
AC/DC
Power
Supply
System Operation & Micro Control Board
Mixer Module
Local Oscillator
SCM Interface Board
High Capacity
SCM Modulator
POWER IN
Embedded Firmware & System Software
IF MON
DXL5000 TX Front Panel LEDs and Display
IF IN
Wayside (DB9)
Sum Alarm (DB9) ASI/DS3/E3 1 (BNC) ASI/SMPTE (BNC) T1/E1 (1) RJ45 ASI/DS3/E3 2 (BNC)
RF
70 MHz
LO
70 MHz
DC/Control
DC/Control
DC
Fan 1 Power
DC/
Control
Control
T1/E1 (2) RJ45 10/100 Data (RJ45)
MGMT
Coax Channel Filter
Antenna
RF Output
Standard/High Level
(SMA Connector)
IMC Remote (DB9)
MINOR ALARM
SCM ALARM
MAJOR ALARM
TX POWER
RF OUT
DC
DC/Control
DC/Control
Fan 2 Power
Signals
DataDC
Control
RF