User Manual
Table Of Contents
- Strata Transmitter
- Operations Guide
- Theory of Operation
- Command and Control Power Supply
- MPEG/COFDM Encoder/Modulator
- FMT
- TCU
- TXU
- HPU
- TCU/TXU Front Panel Control Settings
- Notes:
- In the case of digital audio connections, note that the GND (ground) connection is common to two audio circuits as opposed to the connections used for standard analog audio circuits. In the case of digital audio circuits then, a single XLR connector sup
- Strata TX Digital and Analog Audio Options
- Strata Power Cables
- MRC 907386-1 COFDM/MPEG Encoder PWB Layout
Strata Operations Guide
-
35 -
COFDM/MPEG Encoder PWB Connections
NAME PCB
DESIGNATION
COMMENTS
Expansion Port Header
J1 Details available on request
DSP debug header
J2 Engineering Use Only
Power Connector and 2-wire control
interface
J3 Pin 1 - TXD (from encoder)
Pin 2 - RXD (to encoder)
Pins 3,4,5,6 - GND
Pins 7,8,9,10 - +5.5V
ISP Connector for Atmel Processor
J4 Pin 1 - 5V
Pin 2 - SDOUT
Pin 3 - GND
Pin 4 - RESET
Pin 5 - SCLK
Pin 6 - SDIN
70MHz IF Output
J5 50 Ohm
Composite Video Input
J6 Terminated at 75 Ohm
RS232 Data and RS485 Control J7
1 – RS232TX (from encoder)
2 – RS232RX (to encoder)
3 – GND
4 – RS485 TX
5 – RS485 TX
6 – RS485 RX
7 – RS485 RX
SDI Input J8 75 Ohm
ASI out J9, J10 75 Ohm
Analog Audio (Ch1) J11 1 – R-
2 – GND
3 – R+
4 – L-
5 – GND
6 – L+
Analog Audio (Ch2) J12
1 – R-
2 – GND
3 – R+
4 – L-
5 – GND
6 – L+
Digital Audio (Ch1 + Ch2) J13 1 – Ch2+
2 – GND
3 – Ch2-
4 – Ch1+
5 – GND
6 – Ch1-
LED – Amber IF_ON Indicates IF Output is ON
LED – Green C_VID Indicates locked to input composite video
LED – Green D_VID Indicates locked to input SDI video
LED - Amber HLTH Heartbeat – flashing indicates software running