Service manual
EXTERNAL SERIAL CONTROL PROTOCOL
B-13
April 2001
Part No. 001-9800-203
Data:
Enable:
0x00 - Request gate to go inactive
0x01 - Request gate to go active
Gate:
0x00 - Mic Audio Mute Gate
0x01 - Mic Audio Enable Gate
0x02 - Rx Audio Mute Gate
0x03 - Rx Audio Enable Gate
0x04 - Speaker Audio Mute Gate
0x05 - Speaker Audio Enable Gate
EVENT BANK SELECT
Function
: Directs subscriber unit to go to the indi-
cated bank. The subscriber unit goes to the last
selected system and group in that bank.
Format
:
Data
:
Bank:
Any valid bank index number obtained from an
INFO BANK NAME message (see page B-19).
EVENT DATA ARQ ASSERTED
Function
: This indicates that the Data ARQ signal is
now asserted.
Origin
: External Device
Format
:
Data
: None
EVENT DATA ARQ RELEASED
Function
: Indicates that the Data ARQ signal is now
released.
Origin
: External Device
Format
:
Data
: None
EVENT DATA PTT PRESSED
Function
: Indicates that the data PTT is currently
asserted.
Origin
: External Device
Format
:
Data
:
0x00 = Same as DATA PTT input line
0x01 = Same as DATT PTT REVERT input line
(see Section A.3.3).
EVENT DATA PTT RELEASED
Function
: Indicates that the data PTT has been
negated.
Origin
: External Device
Format
:
Opcode Bank
8 bits 1 byte
0x41
Opcode
1 byte
0x42
Opcode
1 byte
0x43
Opcode Revert
1 byte 1 Byte
0x44
Opcode Revert
1 byte 1 byte
0x45