Operation,
Remote Operation
139187 / Rev. 500
RGS-2000NG TCAS Test Set Operation Manual
1-2-5
September 2021
Subject to Export Control. See Cover Page for details.
Page 23
5.7.1.4
Read
Command Syntax:
{:RGS | :RGS2000NG}{:RCV | :RCVR}{:LOG:DL?}CR
Description:
If the Unit Receiver Log is empty, the response is EMPTY (ASCII). If data is
available, the Unit responds with 25 Bytes in hexadecimal format (50 ASCII
bytes). The following is the description of each byte.
Byte 1: Type of Message
Message
Code
Mode S Reply
1
ATCRBS Reply
2
Mode S Interrogation
3
ATCRBS Interrogation
4
RGS Mode S Reply
5
RGS ATCRBS Reply
6
RGS Mode S Interrogation
7
RGS ATCRBS Interrogation
8
Byte2 to 15: Data
Mode S Short Replies (DF0 to DF15):
Byte 2 to 8: All 0’s
Byte 9 to 15: Data (Byte 9, Bit 7 (MSB); Hexadecimal)
Mode S Long Replies (DF16 to DF24):
Byte 2 to 15: Data (Byte2, Bit 7 (MSB); Hexadecimal)
Mode S Short Interrogations (UF0 to UF15):
Byte 2 to 8: All 0’s
Byte 9 to 15: Data (Byte 9, Bit 7 (MSB); Hexadecimal)
Mode S Long Interrogations (UF16 to UF24):
Byte 2 to 15: Data (Byte2, Bit 7 (MSB); Hexadecimal)
ATCRBS Replies:
SW Ver. 17.08.0901 and below:
Byte 2: High Nibble Bit7-4 (Zero); Low Nibble Bit 3-0 (C1 A1 C2 A2)
Byte 3: (C4 A4 B1 D1 B2 D2 B4 D4)
Byte 4 to 15: All 0’s
SW Ver. 17.10.1003 and above:
Byte 2: High Nibble: Generator; Low Nibble (Zero)
Byte 3: High Nibble bit 7-6 (Zero); SPI bit 5; X bit 4; Low Nibble Bit 3-0 (C1 A1
C2 A2)
Byte 4: (C4 A4 B1 D1 B2 D2 B4 D4)
Byte 5 – 15: All 0’s
ATCRBS Interrogations:
Byte 2: High Nibble Bit 7-4 (Zero); Low Nibble Bit 3-0 (Mode) Mode:
Interrogation Type
Mode Code
