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>
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