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Conettix D6600/D6100IPv6/D6100i | Computer Interface Manual | J: Acknowledgement from

Automation Software to D6600/D6100i Receiver

180

Bosch Security Systems, Inc. | 2012.09 | 4998122703-05

Appendix J: Acknowledgement from Automation Software

to D6600/D6100IPv6 Receiver

a response other than a valid ACK or NAK is received, the receiver will transmit the last message

again.

It will continue to send the same message until a valid NAK or ACK is received.

1. Automation software to receiver, ACK.

The ACK from automation to receiver structure:

D6500 mode:

<0x06>

1 byte length and value is 0x06

SIA mode:

LF Standard line feed character.

CRC Cyclical Redundancy Check number. (Calculated the same as in SIA DC-07)

TAB 09 hex

Sequence# The message sequence number of the message which to be acknowledged.

Receiver# The Receiver/Gateway number of the message to be acknowledged.

Line#(Line/Group #) The line/group number of the message to be acknowledged.

CR SIA trailer char, hex 0D

2. Automation software to receiver, NAK.

A NAK response from automation software will force the receiver to transmit the last message

again.

If 3 sequential NAKs are received for the same message, then the receiver will skip that

message and move to the next one.

The NAK from automation to receiver structure:

D6500 mode:

<0x15>

1 byte length and value is 0x15

SIA mode:

LF Standard line feed character.

CRC Cyclical Redundancy Check number. (Calculated the same as in SIA DC-07)

TAB 09 hex

0000 The message sequence number, fixed 0000 for NAK.

Receiver# The Receiver/Gateway that receives the NAK message, valid digits are: 01-99 for D6600.

00 The line number, fixed 00 for NAK.

CR SIA trailer char, hex 0D

1 2 ... 175 176 177 178 179 180 181 182 183 184 185

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