2-6
MAINTENANCE
CH ACT
Channel Activity Indicator Signal (Fast Squelch)
CH KP ID
Control Head Keypad ID (Data) Lines
CH REQUEST
Control Head Request from Control Head *P
CLK
Clock Signal
CNTLVLTG
PA Power Control Voltage
CNTR AUDIO
Audio Lines of the Controller
COL x
Keypad Matrix Column x
CSX
Chip Select Line PCIC / FRACN
DATA
Data Signal
DC POWER ON
Electronic Switching On or Off of the Radio's Voltage Regulators
DISCAUDIO
Audio Output Signal from the Receiver IC
ECLK
Clock (not used)
EE CS
EEPROM Chip Select
EMERGENCY CONTROL
Emergency Line to switch on the Radio's Voltage Regulators
EXP BD REQ
Service Request Line from Expansion Board
EXP1 CS
Expansion Board Chip Select 1
EXP2 CS
Expansion Board Chip Select 2
EXT KP COL
External Keypad Matrix Column Signal
EXT KP ROW
External Keypad Matrix Row Signal
EXT MIC
External (from Accessory Connector) Microphone Input
EXT SWB+
External Switched 13.2V Supply Voltage
F1200
Interrupt Line from ASFIC CMP
FECTRL 1
Control Voltage for Front End Filter
FECTRL 2
Control Voltage for Front End Attenuator Switch
FLASH CE
Flash Chip Select
FLASH OE
Flash Output Enable
FLAT RX SND
Option Board Audio Output Signal
FLAT TX RTN
Flat TX Input from Option Board and Accessory Connector
FLT A+
Filtered 13.2 V Supply Voltage
GP x IN
General Purpose Input x
GP x IN ACC y
General Purpose Input x from Accessory Connector Pin y
GP x IN OUT ACC y
General Purpose Input /Output x from Accessory Connector Pin
y
GP x OUT
General Purpose Output x
GP x OUT ACC y
General Purpose Input x from Accessory Connector Pin y
GPIO
General Purpose Input Output Lines
HANDSET AUDIO
Handset Audio Output
HOOK
Hang-up Switch Input
HSIO
High Speed Clock In / Data Out
IF
First Intermediate Frequency Signal
IGNITION CONTROL
Ignition Line to switch on the Radio's Voltage Regulators
Содержание GM Series
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