ZETRON 2000 Series Specifications download pdf (Page 363)

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101

363

Protocol

(This example does not apply for direct serial connections; in that case, the link is always

active).

Initial Logon Sequence

Once initial handshake successful:

M2x00 sends:

(Displayed)

AED sends:

Notes

— <CR> AED requests attention of M2x00.

ID= — M2x00 responds and requests AED to send the logon ID

sequence.

If the AED does not send the <CR> within 2 seconds the

M2x00 will send the “ID=” string on its own.

— <ESC>PG1<CR> AED logs on without password.

— <ESC>PG1pppp<CR> AED logs on with a password. pppp is password 1-n

characters long (4 or 6 characters is typical). The password

is set per trunk or alpha input line with parameter 10h; most

installations use no password.

<ACK><CR>msg — Logon accepted. msg=* acknowledged *<LF><CR>

<NAK><CR>msg — Logon requested again, i.e. please go back to the

<ESC>PG1 step above. msg=* retransmit *<LF><CR>

<ESC><EOT>msg — Logon denied, terminal hangs up. msg=* bye *<LF><CR>

If the logon accepted message was sent then the following sequence will be employed.

<ESC>[p<CR> — Paging terminal ready.

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ZETRON 2000 Series Specifications Page 363

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