UNIVERSAL DIGITAL AND DATA INTERFACE
B-13
Revised May 1998
Part No. 001-9750-006
PTT_EVENT = 0x0C
State = New state (0 = released, non 0 = pressed)
RESET
This tells the radio to configure event flags, I/O
options, and audio path options to default states.
RESET = 0x0D
RETURN_GRP_ID
This tells the radio to reply with the current
Group ID data items using the GRP_ID response
message.
RETURN_GRP_ID = 0x0E
RETURN_LAST_RX_GROUP
This tells the radio to reply with the Group
Decode ID and Home Repeater Number for the last
received call using the LAST_RX_GROUP response
message.
RETURN_LAST_RX_GROUP = 0x1C
RETURN_RX_UNIQUE_ID
This tells the radio to reply with the Unique ID
(or UID) of the current or most recent call using the
RX_UNIQUE_ID response message.
RETURN_RX_UNIQUE_ID = 0x0F
RETURN_SYS_GRP
This tells the radio to reply with the radio’s
current system and group using the SYS_GRP
response message.
RETURN_SYS_GRP = 0x10
RETURN_UNIQUE_ID
This tells the radio to reply with the Unique ID
(or UID) of the current Multi-Net system using a
UNIQUE_ID message.
RETURN_UNIQUE_ID = 0x22
SELECT_KNOB_EVENT
This tells the radio that the select knob has been
rotated up, rotated down, or pushed.
SELECT_KNOB_EVENT = 0x11
Knob Event = 0 = down, 1 = up, 2 = push
SEND_DTMF_DIGITS
This tells the radio to send the specified DTMF
digits (approximately 70 ms on, 70 ms off).
SEND_DTMF_DIGITS = 0x12
Digits = 1 to 27 digits followed by a NULL byte. Digits
are encoded as the ASCII characters “0” to “9”, “*”,
and “#”.
RESET
1 byte
RETURN_GRP_ID
1 byte
RETURN_LAST RX_GROUP
1 byte
RETURN_RX_UNIQUE_ID
1 byte
RETURN_SYS_GRP
1 byte
RETURN_UNIQUE_ID
1 byte
SELECT_KNOB_EVENT Knob Event
1 byte
1 byte
SEND_DTMF_DIGITS
Digits
1 byte
2 to 28 bytes
Serial Port Command Messages (Cont’d)
Summary of Contents for Summit DM 975x
Page 105: ...MULTI NET SYSTEM OVERVIEW 5 10 Revised February 1997 Part No 001 9750 005 ...
Page 108: ...CIRCUIT DESCRIPTION 6 3 August 1993 Part No 001 9750 001 Figure 6 1 Transceiver Block Diagram ...
Page 123: ...CIRCUIT DESCRIPTION 6 18 August 1993 Part No 001 9750 001 ...
Page 131: ...SERVICING 7 8 Revised January 1995 Part No 001 9750 003 ...
Page 156: ...9 19 Revised December 2000 Part No 001 9750 007 TRANSCEIVER EXPLODED VIEW PART 1 ...
Page 168: ...Revised January 1995 Part No 001 9750 003 10 11 INTERCONNECT SCHEMATIC ...
Page 169: ...Revised January 1995 Part No 001 9750 003 10 12 DISPLAY BOARD SCHEMATIC ...
Page 171: ...Revised January 1995 Part No 001 9750 003 10 14 RF BOARD SCHEMATIC REVISED 800 MHZ ...
Page 172: ...Revised January 1995 Part No 001 9750 003 10 15 RF BOARD BOARD LAYOUT ALL 800 900 MHZ ...
Page 173: ...Revised January 1995 Part No 001 9750 003 10 16 RF BOARD BOARD SCHEMATIC 900 MHZ ...
Page 174: ...Revised January 1995 Part No 001 9750 003 10 17 RF BOARD BOARD SCHEMATIC UNREVISED 800 MHZ ...
Page 178: ...Revised January 1995 Part No 001 9750 003 10 21 PA BOARD SCHEMATIC 900 MHZ 30W ...
Page 179: ...Revised January 1995 Part No 001 9750 003 10 22 PA BOARD SCHEMATIC 900 MHZ 15W ...
Page 181: ...Revised January 1995 Part No 001 9750 003 10 24 PA BOARD SCHEMATIC UNREVISED 800 MHZ 35W ...
Page 182: ...Revised January 1995 Part No 001 9750 003 10 25 PA BOARD SCHEMATIC UNREVISED 800 MHZ 15W ...
Page 183: ...Revised January 1995 Part No 001 9750 003 10 26 AUDIO LOGIC BOARD SCHEMATIC PART 1 OF 2 ...
Page 184: ...Revised January 1995 Part No 001 9750 003 10 27 AUDIO LOGIC BOARD SCHEMATIC PART 2 OF 2 ...
Page 185: ...Revised January 1995 Part No 001 9750 003 10 28 AUDIO LOGIC BOARD LAYOUT TOP VIEW ...
Page 186: ...Revised January 1995 Part No 001 9750 003 10 29 AUDIO LOGIC BOARD LAYOUT BOTTOM VIEW ...
Page 188: ...Revised January 1995 Part No 001 9750 003 10 31 REMOTE TRANSCEIVER INTERCONNECT SCHEMATIC ...
Page 189: ...Revised January 1995 Part No 001 9750 003 10 32 REMOTE CONTROL UNIT INTERFACE BOARD SCHEMATIC ...
Page 216: ...Part Number 001 9750 007 12 00 hph Printed in U S A ...
