Motorola MTR2000 T5544 Instruction / Field Service Manual page 230

GENERAL PURPOSE
INPUTS (SYSTEM
CONNECTOR)
GENERAL PURPOSE
OUTPUTS (SYSTEM
CONNECTOR)
Figure 3.
68P81096E53-C
09/30/05
AUXILIARY EQUIPMENT TO SCM
16 INPUTS
14
TRANSISTOR
BUFFERED
INPUTS
2
OPTO
INTERRUPT
ISOLATED
GENERATOR
INPUTS
16 OUTPUTS
14
OPEN
COLLECTOR
TRANSISTOR
OUTPUTS
2
DRY
CONTACT
OUTPUTS
INITIALISATION
& RESET
RF RELAY
CONTROL
OUTPUT
SCM TO AUXILIARY EQUIPMENT
CLN1206 – Auxiliary I/O Board Functional Block Diagram
Auxiliary I/O Board
SPI
SPI BUS
INPUT
BUFFERS
SPI
SPI BUS
OUTPUT
LATCHES
TO/FROM
SCM
13