Tyco Introduction to FACPs 4100U, Continued, 2.Master Controller Daughter Card, Service Modem

Models: 4100U

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Master Controller Daughter Card

Introduction to FACPs (4100U), Continued

Master Controller Daughter Card

The master controller daughter card mounts onto the master motherboard. The master controller daughter card contains a service port, a direct drive user interface connection, and a port for a service modem.

 

MODEM

SERVICE MODEM

2

 

CONNECTOR (P4)

 

SERVICE MODEMLED1 LED2 LED3

CONNECTOR TO CPU

MOTHERBOARD (P9)

BATTERY BACKUP

BAT ON

 

BATOFF

SERVICEPORT

ON/ OFF JUMPER (P3)

 

 

 

 

DISPLAY

 

 

CPU CARD

 

 

BD ASSY

 

 

566-149

SERVICE PORT CONNECTOR (P4) COMM JUMPER (P1)

CPU BOOTLOADER LEDs (LED1 – LED4)

TROUBLE LED (LD5)

SERVICE PORT (P5)

DIRECT-DRIVE

DISPLAY PORT (P6)

WARM START

TROUBLE LED (LED5):SWITCH (SW1)

OFF: No trouble.

FLASHING: CPU has power but the software is failing to hit the watchdog

ON: The 5 V is outside the acceptable range

Figure 2-2. Master Controller Daughter Card (566-149)

Continued on next page

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Tyco Introduction to FACPs 4100U, Continued, 2.Master Controller Daughter Card, Continued on next page, Service Modem