Network Control Unit (Ncu-U) - OKIDATA OF1000 Service Manual

Page: 197
Service Guide OF1000
Chapter A Reference Charts
A.2.04 Network Control Unit (NCU-U)
Function
This board contains the CML relay, detects the Off-Hook condition, converts received data to
digital signal levels, generates dial pulses, and detects ring signals, dial tones, and busy signals.
Firmware
NONE
Fuses
NONE
Jumpers
NONE
Sensors
NONE
Switches
NONE
Test Points
NONE