Black Box 3600 MODEM Modem User Manual


 
V.25 bis Autodialer
Modem 3600 11-3
&M3
Manual dial/sync data
&M4
V.25 bis dialer/BISYNC protocol/sync data (ASCII)
&M5
V.25 bis dialer/SDLC protocol/sync data
(NRZ)
&M6
V.25 bis async dial/sync data
&M7
V.25 bis async dial/async data
&M8
V.25 bis dialer w/BISYNC protocol/sync data (EBCDIC)
&M9
V.25 bis dialer w/SDLC protocol/sync data (EBCDIC) (NRZ)
&M10
V.25 bis dialer w/SDLC protocol/sync data (ASCII) (NRZI)
&M11
V.25 bis dialer w/SDLC protocol/sync data (EBCDIC) (NRZI)
Separator fields depend on the data format.
for ASYNC {sep} = command <CR>
BISYNC {sep} = <sy><sy><stx> command <etx>
SDLC {sep} = <Flags><Addr><ctl> command
<FCS> where:
<sy> = 16 hexadecimal
<stx> = 02 hex
<etx> = 03 hex
<etb> = 17 hex
<Flag> = 7E hex
<Addr> = FF hex
<ctl> = 13 hex (last frame), 03 hex (not last frame)
<FCS> = Frame Check Sequence
<CR> = Carriage Return
Invalid Responses
Except when stated otherwise, the following explanations for invalid
INV responses apply:
INVCUAny transmission error (parity, framing, etc.).
INVMSThis message has one of three possible meanings:
1) Receiving too many characters for any command.
2) Any command followed by a semicolon ;
INVPSThis message has one of three possible meanings:
1) Any parameter set ending with a semicolon ;
2) Any parameter set containing too many or not enough
parameters; this includes
- any command entered without parameters that
requires parameters
- any command entered with parameters that
does not require parameters.