Issue 1.00 DLA200 Dual Line Amplifier Units Page 8
2, 6, 32, 32, 64, 3
This is explained as follows - character 2 is start of message, Character 6 denotes the message has 6
characters in total, Character 32 is instruction 32 (status request) character 64 is the checksum (32 plus
32 anded), Character 3 is end of message.
The unit would then reply with a STATUS REPLY message.
Status Reply message
This message tells the host computer the status of the unit.
STATUS REPLY:
Instruction 33
Message body: (all bytes/chars)
Description
Values
Position of the UNIT SELECT switch
"A" or "B" or "O"
("O" = AUTO)
("A" = UNIT A)
("B" = UNIT B)
Position of the remote/local switch
"R" or "L"
("R" = Remote)
("L" = Local )
Coax switch position
"A", "B" or "S",
("A" = UNIT A)
("B" = UNIT B)
("S" = Standby)
Summary alarm status
"0" or "1"
(0 = Alarm)
(1 = OK)
DLA200 Unit Information
UNIT A info:
ONLINE status
“0" or "1" (1 = Online)
unit alarm
"0" or "1" (1 = OK)
UNIT B info:
ONLINE status
“0" or "1" (1 = Online)
unit alarm
"0" or "1" (1 = OK)
Example of an RCU100 message body which is Auto, Local, switch to BDC1, summary alarm OK,
UNIT A online, UNIT A unit alarm OK, UNIT B offline, UNIT B unit alarm OK is ALA11101
