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1992-10-03
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15KB
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348 lines
SUPRA TECHNICAL SUPPORT BULLETIN
STATUS AND ENHANCEMENTS TO V32BIS ROM (1.2J/H)
9/16/92
Supra Corporation
7101 Supra Drive SW, Albany, OR 97321
General (503) 967-2400 / Sales (503) 967-2410 / Fax (503) 967-2401
Supra Tech Support (503) 967-2440 8:00am - 5:00pm PST, M-F
Supra BBS........(503) 967-2444 24 Hours
CompuServe.......76004,565
BIX..............SupraCorp
America Online...SupraCorp2
GEnie............SupraTech
AppleLink........D2456
UseNet EMail.....supratech@supra.uucp
There are currently two new ROM sets. One is currently revved as 1.2H
and is being made available free to all registered users. This is
OPTION #1 and will be mailed out within 10 days of receipt of the order
via US Mail. Shipment by US Mail is the only available method for OPTION #1
and includes the following features:
Enhances Busy Detection
Fixes several Lock Display/Modem problems
Improved Speed Re negotiation (Fall Back) upon bad line conditions
Implements Fall Forward upon better line conditions
Fixes Adaptive Answering (allows data/fax determination)
Implements ECM (Error Correction Mode)
Note: Must be supported by fax software
Implements BFT mode (Binary File Transfer)
Note: Must be supported by fax/terminal software
Fixes problem with DCD line turning off if modem configured with &C
&Dx and &Cx settings are respected when in fax mode
Fixes problem connecting with some fax machines
Added S-Register S109
Added S-Register S110=3
Implements Silent Answer (allows voice/fax determination)
Note: Must be supported by fax software
The second ROM set is revved 1.2J and includes all of the above enhancements
plus the Caller ID feature. This ROM is available as OPTION #2 and will
cost $19.95 plus $5.00 shipping. We will accept Visa/MC or can ship it COD
for an addition $5.00. OPTION #2 will be shipped via UPS BLUE label which
is second day air. This is the only shipment method available for
OPTION #2.
Supra will be sending an upgrade offer to all registered owners. This offer
will be for either OPTION #1(Free ROM) which has all of the above features,
or the OPTION #2(Caller ID) for $19.95. The following are the only other
available methods for ordering the ROMs.
1. BBS
We are currently working on the software that will allow you to order either
ROM from Supra via its BBS. This software will also allow you to enter your
warranty card and change your warranty card on-line. Once this is working,
it will be activated and you can immediately enter your order. The quickest
way to order the ROM will be via the BBS. Until then, please do not contact
Supra to order either ROM. This file will be updated when this method comes
on-line. We expect it to be available by Sept. 19.
2. CompuServe
This file contains an order form at the end which will need to be downloaded,
filled out, and Emailed to Supra's CompuServe account(76004,565). If the
form is not used or filled out incorrectly it will be mailed back to the
user.
When uploading the form, PLEASE make sure it is in STANDARD TEXT FORMAT.
If the form is in any other format, any information is missing or fill out
incorrectly it will only delay shipment of your new ROMs.
CompuServe also has a service available where you can send a file as Email,
many CIS access programs have a option to perform this for you. This
method will also be acceptible for sending your order form.
3. OTHER
We are currently working on the upgrade options for customers outside of the
USA. At this time if you are located outside of the USA it will cost an
extra $15.00 shipping to send you the ROMs for both Option #1 and #2. There
will also be no COD available for foreign customers. In about a month we
should be able to have Supra Germany send them to you for about the same
prices as the USA customers if you are located in Europe. As we finalize
things we will release that information.
The above information is subject to change or modification.
UPCOMING FEATURES AND NEW PRODUCTS:
The following features and new products are being worked on. We do not
have any information on upgrade costs, technical information, or product
cost. As soon as we have the information, we will post it on our BBS.
Internal version - Oct. 92
PTT certified version - Q1. 93
MNP10 - Dec. 92
V23 - Dec. 92
Voice digitization in modem - Dec. 92
Voice software
DTMF encoding/decoding - Dec. 92
MORE IN-DEPTH INFORMATION ON 1.2J/H ENHANCEMENTS
Enhances Busy Detection
Some people had several different problems with busy detection. All
calls would return BUSY or only certain calls would return busy. All
known problems have been fixed. This problem only happened to a small
percentage of users.
Fixes several Lock Display/Modem problems
The Supra v32bis modem is running several different processors and
tasks at one time. If the right timing sequence or events happen,
the modem could lockup. The only way to fix the problem was to
power cycle the modem. This problem only happened to a small
percentage of users.
Improved Speed Re negotiation (Fall Back) upon bad line conditions
The 1.2C ROM was our first ROM to implement this feature. We have
continued to improve our code to better handle bad line conditions,
especially at connect time.
Implements Fall Forward upon better line conditions
Once the phone line conditions improve, the modem can initiate a step
up in baud.
Fixes Adaptive Answering (allows data/fax determination)
A mode which allows the modem to connect with either a fax or a data
modem. Once it makes the connection, it will return a result code
indicating which one it connected with. It is then the software's
responsibility to route the call to the proper program. Some "front
door" software for BBSs and terminal programs have this ability.
"Front door" software has control of the serial port and waits for an
incoming call. When it receives a call, it may present a prompt to
the user asking which program they want to run, or based upon the
modems result code decide which program is to be run. (Thus, it
functions as a call router.) The "front door" software then wakes up
or runs the correct program, which then takes over control of the
serial port and thus the modem. When the call is ended, the program
quits or shuts down and lets the "front door" regain control of the
serial port/modem.
AT +FCLASS=0
AT +FAA=1 (if using class 2) or +FAE=1 (if using class 1)
AT S0=(1-255) or ATA
Result Codes: CONNECT XX if data call
FAX if fax call
NOTE: This sequence must be sent before every answer
Implements ECM (Error Correction Mode)
Allows the fax software to resend a block of information if it is
not received correctly by the other modem. This feature MUST be
supported by the fax software in order to be used.
Implements BFT mode (Binary File Transfer)
Allows the user to send a file to another fax modem as if it were a
fax instead of a file. This feature MUST be supported by the fax
software in order to be used. This allows the user to use the fax
software to send the file instead of using a terminal program.
Fixes problem with DCD line turning off if modem configured with &C
If the modem was configured with the &C, especially during a
disconnect, the modem would toggle DCD line. This problem only
affected a small percentage of users, generally those running BBSs
on the Apple II.
&Dx and &Cx settings are respected when in fax mode
The CCITT TR29.2 committee has not defined how the modem should
react to the &D and &C settings when in class 2 fax mode. While the
committee has not defined this, there is a strong sentiment for
respecting the &D and &C settings as it is handled in class 1 and
when the modem is in data mode. This also allows the modems to work
better under fax mode in the UNIX environment.
Fixes problem connecting with some fax machines
The 1.2C ROMs had a few problems making connections to some fax
machines. The fax machine used a slightly different tone when
answering. This resulted in the two machines toning back and forth,
not making a connection and then eventually hang up. This problem
only happened to a small percentage of users.
Added S-Register S109
Controls speeds available for V.32bis carrier handshake, or the
carrier rate to negotiate error correction, if S-Register S110=3.
Decimal Value Explanation
1 reserved
2 4800 bps
4 7200 bps
8 9600 bps
16 12000 bps
32 14400 bps
64 reserved
128 reserved
Added S-Register S110=3
V.32bis standard negotiates carrier speed at 4800 baud then jumps to
the agreed carrier speed to negotiate error correction/data
compression. On noisy lines this can cause various connection
problems. Supra's solution is to set S-Register S110 to 3. This
causes the modems to connect at the slowest possible V.32 or V.32bis
speed. Once this is done, as long as the line is clean enough, the
modems will up-shift to the next possible carrier rate.
The slowest possible carrier speed can be limited by the use of
S-register S109.
NOTE: Some modems can only up-shift a few times and then they will lose the
connection (especially Supra V.32 and V.32bis with ROMs < 1.2C).
The solution is to change S-Register S109 so that it does not need
to up-shift as many times.
NOTE: This only works when the modem is originating the call.
Implements Silent Answer (allows voice/fax determination)
When the phone rings, the modem will start monitoring the telephone
line after the 2nd ring. If it detects a fax tone, it will do one
of two things:
1. If S-Register S0 != 0, the modem will immediately answer the
phone and attempt a fax connection.
2. If S-Register S0 = 0, the modem will quickly issue up to 9
RINGS messages, expecting the fax software to issue an ATA.
This eliminates the need for a $150 voice/fax black box.
NOTE: DO NOT plug the answering machine into the telephone jack on the back
of the modem. The modem should be plugged into the answering machine.
This also works if a telephone is in the circuit before the
fax modem.
NOTE: This mode must be supported by the fax software.
Implements Caller ID (OPTION #2 only)
This is a feature that is only available in some areas of the country.
In between the 1st and the 2nd ring, the phone company will send
information on who is calling you. If you are in terminal mode and
had told the modem to answer on the 2rd ring, you would see:
RING
DATE = 0321
TIME = 1405
NMBR = 5039672400
NAME = SUPRA CORPORATION
RING
CONNECT 19200
NOTE: The NAME field isn't available in all areas and will not
be present in those cases.
To enable CALLER ID:
AT#CID=1 Enables Caller ID in formatted format
AT#CID=2 Enables Caller ID in unformatted format
(ASCII printable hex numbers)
AT#CID=0 Disables Caller ID
In addition to the enhancements and corrections noted above, Supra's new
1.2J/H ROM release also includes modifications that were implemented in the
previous 1.2C ROM release. They are as follows:
%G0 disables Rate Re negotiation on V.32bis
%G1 enables Rate Re negotiation on V.32bis
enables Rate Re negotiation and Retrain on V.32
%E has not changed, but if both %G1 and %E1 are set, then the modem will
Rate Re negotiate during a Retrain. This is also the only way the V.32
modem can Rate Re negotiate.
AT&F1 and AT&F2 defaults now include %G1
S-Register S110:
0 causes connect at V.32 only
1 enable V.32bis on V.32bis modems
2 enable V.32bis and automatic rate re negotiation.
***************************************************************************
COMPUSERVE ORDER FORM
STEP 1. Download this file and edit out the above information.
STEP 2. File out all parts of the form. If your shipping address is
different then your credit card billing address, make sure to
give us both. Also if you are ordering OPTION #2, make sure to
include a UPS ship able address. This means no PO boxes or APO's.
(PLEASE double check your address and credit card numbers)
STEP 3. EMail the form to Supra Corporations account on CIS. The account
number is 76004,565. Make sure that all information is there, we
will just mail the form back to you if it is incorrect.
-----------------------CUT HERE---------------------------------------------
DATE:___________ Modem Serial #:____________ CIS #:___________
SHIP TO ADDRESS: CREDIT CARD BILLING ADDRESS:
Name Name
Address Address
City, STATE ZIP City, STATE ZIP
Day Time Phone Number: __________ Evening Phone Number: __________
OPTION PART # Price CHOICE
#1 - Free ROM upgrade 50-14FX-ROM Free _____
(OFFER EXPIRES NOV. 30, 1992)
#2 - Upgrade+Caller ID 50-14FX-CID $19.95
Shipping UPS BLUE + $ 5.00
------
$24.95 _____
COD charge if ordering OPTION #2
($24.95 + $5.00 COD charge) _____
Credit Card if ordering OPTION #2 _____
Visa/Master Card ONLY (NO AMEX)
Credit Card Number: _______________ EXP DATE: _______
Foreign Shipping Charge - $15.00 _____
Please rate your satisfaction with your SupraFaxModem:
____ Very Satisfied
____ Satisfied
____ Dissatisfied
____ Very Dissatisfied
Computer Type SupraFaxModem used on:
____ Mac ____ PC/DOS ____ Other _________
____ PC / Windows ____ Amiga
Are you using: DATA ____ FAX ____
-----------------------END OF FORM------------------------------------------