Technicolor - Thomson 8900NET Manual Do Utilizador

 while reading the following func-

tional description.

Two temperature sensors on the module report to the microprocessor when 
they detect:

•

External ambient temperature above 50° C, or

•

Internal frame temperature above 70° C. 

The microprocessor will then report a temperature fault.

0612-01

Alarm

 Bus

Boot ROM

SDRAM
NVRAM

Temperature

Sensing

SMPTE 

Alarm 

Signal 

Processing

Microprocessor

+12 V

+5 V

+3.3 V

Ethernet/MAC Address

SMPTE

Relay

RS-232

Driver

On-board

Regulator

Module Cells

Frame Bus

Fan Speed

Control and 

Rotation 

Sensing

To Fan Assembly

SMPTE Alarm 
(BNC)

Module Health Bus

Module
Present

Detection

Power Supply 

Cells

Ethernet (RJ-45)

RS-232 (9-pin D)

10BaseT Ethernet

User

Setup

Sw.

User

Setup

Sw.

LEDs

M

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