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The following information is from the AUSTPAC character
terminal manual.
Austpac is available all the time except (currently) 11pm Thu
- 7am Fri. This is their maintainance window. (Melb. time).
When you don't include an NUI in a call request it will perform
reverse charges, if the called system allows.
ADDRESSING : There are 2 formats of this in call requests,
long and short.
o Long format address: Used in international destinations and
some national ones.
DNIC
---------------
I I
P DCC R NTN SS
I---------------I
DNIC = data network identifier code (X.121) (5052 for austpac)
DCC = data country code (X.121)
NN = national number (X.121)
R = network identifier (2 for austpac)
SS = optional sub address (0,1 or 2 digits)
NTN = terminal identifier (8 digits)
P = international prefix (0 for austpac)
In the long format the total number of digits i the called
address field must be <= 15. .....cont next mesg.
o Short form addressing : This is only used for national
destinations
R NTN SSSSSS
I---------------I
NN
The constituent fields of the national number (NN) are the
same for the long format except for the subaddress field:
SSSSSS Optional subaddress (0-6 digits)
The length limitaions of the field is <=15 (same for long)
INTERNATIONAL PACKET SWITCHING NETWORKS which may be called
from austpac.
COUNNTRY NETWORK DNIC
-------------------------------------
Australia Austpac 5052
" Midas 5053
Austria Radio-Austria 2329
" Datex-P 2322
Belgium DCS 2062
Canada Teleglobe 3023
" Datapac 3020
" Infoswitch 3029
Finland Datapak 2442
COUNTRY NETWORK DNIC
---------------------------------------
U.S.A. Trt 3119
" Uninet 3125
" Autonet 3126
"
COUNTRY NETWORK DNIC
---------------------------------------
France Transpac 2080
" NTI 2081
Germany Datex-P 2624
Hong Kong Idas 4542
" " Das 4544
Japan Venus/P 4408
" DDX/P 4401
Luxemburg Luxpac 2704
New Zealand Pacnet 5301
Norway Norpak 2422
Singapore Telepac 5252
South Africa Saponet 6550
Sweden Telepak 2405
Switzerland Telepac 2284
" Datalink 2289
U.K. IPSS 2341
" PSS 2342
U.S.A. Itt 3103/3107
" Wui 3104
" Tymnet 3106
" Telenet 3110/3127
" Rca 3113
COUNTRY NETWORK DNIC
---------------------------------------
U.S.A. Trt 3119
" Uninet 3125
" Autonet 3126
" Alaskanet 3135
--------------------------------------
Access to other networks and countries may be available in the
future.
PAD (packet assembly/disassembly) is used because char terms
(us) can't handle packets. There are currently 18 parameters.
#1 PAD recall using a character. This is the char to change
from transfer to command mode.
0 not possible
1 char <DLE> (ie CTRL P)
32-126 Possible; using one graphic char defined by user
#2 Echo of characters by PAD
0 no echo
1 echo
#3 Selection of data forwarding signals. This is the char(s)
that when received take chars in PAD buffer and assembles
it into a packet.
0 no data forwarding signal
2 Char <CR>
126 All chars in column 0 and 1 (of IA5) and char <DEL>
6 Chars <CR> <ESC> <BEL> <ENQ> <ACK>
18 Chars <CR> <EOT> <ETX>
#4 Selection of idle timer delay. Timeout time from last char
to when the input buffer is assembled and sent.
0 no timer delay
1-255 value in twentieths of a second.
#5 Ancillary device control. This enables austpac to send char
terminal x-on/x-off.
0 no use of x-on (DC1,CTRL Q) & x-off (DC3,CTRL S)
1 use x-on/x-off
#6 Control of PAD service signals. Determines whether PAD
indecations are sent to char term.
0 no PAD service sigs are transmitted
1 PAD service signals are transmitted
5 PAD service signals and the prompt PAD service siganls
are transmitted.
#7 Selection of operation of PAD on receipt of break signal
from the char term.
0 nothing
1 interrupt
2 reset
8 escape from data transfer mode
21 discard output, int and indication of break
#8 Discard output. Determines whether you get data from remote
1 discard output
0 normal data delivery
#9 Padding after <CR>
0 no padding after <CR>
1-7 # of padding chars inserted after <CR>
#10 Line folding. Line length. Sends <CR><LF> after x chars
0 no line folding
1-255 line length
#11 Binary speed of char term.
0 110 bit/s
2 300 bit/s
3 1200 bit/s
6 150 bit/s
8 200 bit/s
11 1200/75 bit/s
#12 Flow control of PAD. Determines whether char term can
suspend output with x-on/x-off
0 no use of x-on/x-off (CTRL Q & S)
1 use of x-on/x-off
#13 LF insertion after CR.
0 no LF
1 insert LF after CR
4 insert LF after echo of CR to char term
5 insert LF after transmissionto the char term and after
echo of CR
6 insert LF in data stream after CR from char term and
after echo of a CR to the char term
7 insert LF in data stream to and from char term and after
echo of a CR to char term
#14 Padding after LF
0 no padding after LF
1-7 # of padding chars inserted after LF (applies only to
data transfer mode)
#15 Editing.
0 no use of editing in data transfer mode
1 use of editing in data tranfer mode
#16 Character delete.
0-127 one char from IA5
8 char <BS> (default)
#17 Line delete.
0-127 one char from IA5
24 char <CAN> (default)
#18 Line display.
0-127 one char from IA5
42 char <*> (default)
--------------------------------------
IA5 = CCITT international alphabet # 5 (approx ASCII)
char term = C-DTE (officially) = out computer terminal
The above parameters are changable by the user. If you have
an NUI then the default can be different to normal. A profile
is a snap-shot of all the params. There are 18 I won't type
them all out take too long. PSTN (us) customers are usually
assigned profile 0 (up to 300 or 1200 bit/s). Videotex
(1200/75) use profile 9.
Profile # Param #
I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18.
---------------------------------------------------------------
-----------
0 I 1 1 126 0 1 1 2 0 0 0 na 1 0 0 0
8 24 42
9 I 1 1 126 3 0 1 1 0 0 0 na 0 0 0 0
8 24 42 .....cont next mesg
If you look and think you'll realize that param 11 (speed)
cannot be set by the user.
COMMANDS :
The PAD is either in command or data transfer mode. To get
from data to command you use the pad recall char (CTRL P unless
you changed it!) or in some circumstances a BREAK signal is
used.
COMMAND FUNCTION
--------------------------
STAT to request info about a virtual call with char term
(FREE or ENGAGED)
CLR to clear a virtual call (CLF CONF or CLR ERR)
PAR? <list of params> Request values of all params in list
and requst current value (no list=all)
SET? <list of params&value) Requst setting of param to new
value.
PROF identifier Use profile to set params.
RESET reset the virtual call
INT transmit an interrupt packet to the correspondent
SET <list of params&value> As above except doesn't request
current values.
CALL REQUEST (see later) set up a virtual call.
-------------------------
In the previous command list the ones above PROF need a
response. PROF and below the only response is the
ACKNOWLEDGMENT indication of <CR><LF>
examples of these commands would be :
PROF 10
SET 2:0,5:4
SET?3:0
PAR?1,5,8 or PAR?
STAT
Normal access numbers are
01921 - 110,150,200,300 bit/s profile 0
01922 - 1200 bit/s profile 0
01923 - 1200/75 bit/s videotex profile 9