MX8000 Installation and Operation Guide
8–10
Table 8–13: Response Messages by the MX8000 Receiver
ASCII Hex
Character
Character Name
Description
$06
ACK
The request is granted.
$15
NACK
The request is unrecognized because of one of the
following reasons:
•
Checksum error
•
Invalid request
code/format
$1B
ESC (Escape)
The request is refused because of one of the
following:
•
Unauthorized access
•
Invalid receiver/line card number
•
Receiver/line card is busy
•
Invalid PBX
string
•
Account
list full
•
Account number not found in the account list
Table 8–14 lists which request can be made from the automation computer by request identifiers.
Table 8–14: Command Requests by Identifiers
Command
Request Identifier
Description
$4A Log-on
request
$4B Log-off
request
$05
Hang up request
$04
Add a listen-in account. (This adds an account
number to the listen-in account list.)
$03
Delete a listen-in account. (This deletes an
account number from the listen-in account list.)
$4C
Listen-in extend request.
$48
Listen-in end request.
$49
PBX string request.
$0D
Link test request.
8.4.7.1 Remote
Log-on/Log-off
You must log-on to the receiver before you can change any system program options. Remote log-in and log-off
commands can be sent from the automation computer to the receiver.
To Log-in:
<$4A><Receiver ID><$22><User PIN><V-byte><$0D>
Table 8–15: Log-in Request Components
Component Description
<$4A>
Command request identifier. See Table 8–14.
<Receiver ID>
Receiver ID number. 1 or 2 ASCII digits.
<$22> Separator
<User PIN>
The users PIN code.
<V-byte>
Validation Byte (V-byte). See 8.4.5.
<$0D>
End of message indicator.
To Log-off:
<$4B><Receiver ID><$22><User PIN><V-byte><$0D>
