nemo@altger.UUCP (Paolo Bevilacqua) (01/14/89)
Info on Telebit's modems T1000 and TrailBlazer Plus
(as read on a Telebit's brouchure)
**************************************************************************
Telebit T1000 modem
FEATURES BENEFITS
Delivery 9600 bps throughput over Supports a wide variety of data
ordinary telephone lines transfer from routine electronic
mail to large file transfers.
Compatilibilty Communications with the installed
base of lower speed 300, 1200, and
2400 bps modems and higher speed
19.2K bps PEP modems at 9600 bps.
Automatic speed selection Adjusting line speed in that of
the connection modem. Selection is
transparent to the user.
Automatic error control Ensures error free data transmission
with implementation of Telebit's PEP
error control protocoll at 9600 bps
and MNP protocol through Class 4
at slower speeds.
Connect on poor quality line Maintain connection when other
modems fail.
Fall-back increment in increment of Delivers maximum throughput
loss than 100 bps with PEP protocol on marginal lines
Command set options Allow modem to support either the
Telebit PEP modem command set
(Enhanced Command Mode) or the
Hayes V-series modem command
set (Conventional Command Mode).
Remote management with PEP Permits configuration and testing of
the remote modems on networked sys-
tems from a central site. Eliminates
expenses of on-site technicians.
Diagnostic test facilities Supports logic, memory and
loopback tests to ensure reliable
performance.
Internal support for UNIX UUCP Delivers optimum data throghput
Kermit, Xmodem and Ymodem in a broad range of computer
protocols environments.
Stored telephone numbers Stores up to 10 telephone numbers
in Enhanced Cmmand Mode (50 digits
each) for easy dialing.
Storable configuration profiles Maintains two profiles of user defined
modem settings and configuration
in non-volatile memory, eliminating
complicated set-up procedures for
frequently used profiles.
Communication software support Operates with a wide range of
commercial data communications soft
ware. (software list available
by calling 1-800-TELEBIT).
Optional vertical modem stand Provides users with the opportunity
with corresponding nameplate to place the modem vertically, saving
valuable desk space.
T1000 Technical Specification Summary
DEVICE INTERFACE
Data Format
Asynchronous, binary
Physical Connector
RS-232C serial port (DB25F connector)
Interface Speeds
300, 1200, 2400, 4800, 9600, 19,200 bps
Flow Control
Software flow control using XON/XOFF commands and/or HP ENQ/ACK
protocol. Hardware flow control using RS-232C RTS/CTS signals
Protocol Support
UNIX UUCP, Kermit, Xmodem, Ymodem
TELEPHONE LINE INTERFACE
Data Rates
Fast Speed: up to 9600 bps
Slow Speed 300, 1200, or 2400 bps
Line Type
Dial-up (RJ11 connector)
Modulations
Fast Speed: Adaptive Duplex Packetized Ensemble Protocol
modems at 9600 bps (PEP 1 protocol)
Slow Speed: Full or half duplex
Compatibility
Any PEP modem at 9600 bps in fast mode
Bell 103J (300 bps)
Bell 212A (1200 bps)
CCITT V.22 (1200 bps)
CCITT V.22 bis (2400 bps)
Receive Sensitivity
-45 dBm
Transmit Level
-9 dBm max
Frequency Offset
+/- 7 Hz Tolerance
Error Control
Fast Speed: PEP Protocol
Slow Speed: MNP Class 4
GENERAL OPERATIONS
Command Set
Support two commands modes
Control switches
Power ON/OFF on rear panel
Indicator Lights
FST Fast mode (PEP 1 protocol)
SLW 300, 1200, 2400 bps modems
OH Off hook
RD Receive data
SD Send data
CTS Clear to send
DTR Data terminal ready
MR Modem ready
Audio Monitor
On board speaker with three volume settings and ON/OFF control
Power Requirements
115 VAC +10%, -15%
60 Hz @ 0.3 Amp max.
Operating Temperature
50'-120'F, 10'-60'C
Pysical Characteristic
1.4" (H) x 7" (W) x 10" (L)
3.5 cm (H) x 17.7 cm (W) x 25.4 cm (L)
Weight: 3.18 lbs (modem only)
1.44 Kg (modem only)
Optional modem stand
Regulatory Compliance
Meets requirements of FCC Part 66 and DOC CS-03 for direct telephone
network connection and Part 15, Subpart J, Class B for radiation limits
Warranty
One year (standard)
Three years (optional)
***************************************************************************
Telebit TrailBlazer Plus
FEATURES BENEFITS
Data rates up to 18,000 bps withot Allow critical high-speed applications
data compression; 19,200 with
Bell 103J/212A, CCITT V.22/V.22 bis Communications with the installed
and PEP protocol compatibility base of lower speed 300, 1200, and
2400 bps modems and other high-speed
Telebiit and PEP modems.
Command set compatibility Support the industry-standard
modems command set.
Automatic speed selection Adjusting line speed in that of
the connection modem. Selection is
transparent to the user.
Automatic error control Ensures error-free data transmission with
Telebit's PEP error-control protocol at
high speeds and MNP error-control
protocol through Class 3 at low speeds.
Connect on poor quality line Maintain connection when other
modems fail.
Fall-back increment in increment of Delivers maximum throughput
loss than 100 bps with PEP protocol on marginal lines
TALK/DATA switch Allow data and voice communications
to share phone-line resources.
Remote management with PEP Permits configuration and testing
of the remote modems on networked
systems from a central site. Eliminates
expenses of on-site technicians.
Diagnostic test facilities Supports logic, memory and local
loopback tests to ensure reliable
performance.
Internal support for Kermit, Xmodem, Delivers optimum data throghput
Ymodem and UNIX UUCP protocols in a broad range of computer
environments.
Storable configuration profiles Maintains two profiles of user-defined
configurations in non-volatile memory.
Selectable by front panel switch.
Stored telephone numbers Stores up to 10 telephone numbers
in Enhanced Cmmand Mode (50 digits
each) for easy dialing.
Storable configuration profiles Maintains two profiles of user-defined
configurations in non-volatile memory.
Selectable by front panel switch.
Communication software support Operates with a wide range of
commercial data communications soft
ware. (software list available
by calling 1-800-TELEBIT).
Software definited architecture Emerging industry standards and new
functions can be readly installed.
Technical Specification Summary
DEVICE INTERFACE
Data Format
Asynchronous, binary
Physical Connector
RS-232C serial port, full buffered for data rates up to 19,200 bps,
independant of modem connection speed
Interface Speeds
300, 1200, 2400, 4800, 9600, 19,200 bps
Flow Control
Software flow control using XON/XOFF commands and/or HP ENQ/ACK
protocol. Hardware flow control using RS-232C RTS/CTS signals
Protocol Support
UNIX UUCP, Kermit, Xmodem, Ymodem
TELEPHONE LINE INTERFACE
Data Rates
Fast Speed: up to 19,200 bps with compression or 18,000 bps without
Slow Speed 300, 1200, or 2400 bps
Line Type
Dial-up (RJ11 connector)
Two-wire unconditioned leased line
Modulations
Fast Speed: Adaptive Duplex Packetized Ensemble Protocol
Slow Speed: Full or half duplex
Compatibility
Any PEP modem at 9600 bps in fast mode
Bell 103J (300 bps)
Bell 212A (1200 bps)
CCITT V.22 (1200 bps)
CCITT V.22 bis (2400 bps)
Receive Sensitivity
-45 dBm
Transmit Level
-9 dBm default; 0 to -15 dBm selectable via resistor for leased line
Frequency Offset
+/- 7 Hz Tolerance
Error Control
Fast Speed: PEP Protocol (16-bit CRC)
Slow Speed: MNP Class 3
GENERAL OPERATIONS
Command Set
Support industry-standard modem command set
Control switches
Front panel:
A/B configuration select
TALK/DATA select
Rear panel:
Power ON/OFF
Indicator Lights
FST Fast mode (PEP protocol)
SLW 300, 1200, 2400 bps modems
OH Off hook
RD Receive data
SD Send data
CTS Clear to send
DTR Data terminal ready
MR Modem ready
Audio Monitor
Utilizes internal speaker to monitor call progress
Power Requirements
115 VAC +10%, -15%
60 Hz @ 0.5 Amp. max.
230VAC +10%, -15%
50Hz @ 0.25 Amp. max. (option)
Temperature
Operating: 50'-120'F, 10'-60'C
Storage: -40'to 140'F, -40' to 65'C
Altitude
Operating: 20,000 ft. 6,096 m
Storage: 40,000 ft. 12,191 m
Pysical Characteristic
2.4" (H) x 8.5" (W) x 13.0" (L)
6.1 cm (H) x 21.6 cm (W) x 33.0 cm (L)
Weight: 2.8 lbs
1.27 Kg
Regulatory Compliance
Meets requirements of FCC Part 66 and DOC CS-03 for direct telephone
network connection and FCC Part 15, Subpart J, Class A for radiation limits
Warranty
One year (standard)
Three years (optional)
**************************************************************************
Telebit Corporation
1345 Shorebird Way
Mountain View, CA 94043-1329
1-800-TELEBIT
(415) 989-3800
Telebit Techologies Canada, Inc.
500 Alden Road. Suite 203
Markham Ontario
Canada L3R 5H5
1-800-387-0455
Telebit Network Techologies S.A.
255, roule d'Alon
L-8011 Strassen
G.D. de Luxembourg
+352 31 95 45
**************************************************************************
End-Of-Info
wtm@neoucom.UUCP (Bill Mayhew) (01/16/89)
One sort of neat feature that the sales brochure on the Telebit modems didn't point out is that the Trailblazer version 3.x and Trailblazer Plus can be programmed to attack dial from the non volitile directory until they get a connection. I don't know about the T-1000, it might have this feature too, but I don't have the book for the T-1000 here. The modem can also be set to automatically attack dial if the carrier is dropped. These features are real handy if you're using a trailblazer in a dial-up link that suffers from either power or phone glitches. The Trailblazer Plus also has an interface that can be programmed for bisync operation in an IBM environment. I also like the fact that the Trailblazer uses an EEPROM for setting storage, rather than a battery backed RAM. It seems like the batteries on the RAM in other modems go dead just about the time the modem experiences a power outage. I also like the HST 9624, but I have to give the nod to the Trailblzers for overall quality and clean interior construction. --Bill
w-colinp@microsoft.UUCP (Colin Plumb) (01/16/89)
wtm@neoucom.UUCP (Bill Mayhew) wrote: > > One sort of neat feature that the sales brochure on the Telebit > modems didn't point out is that the Trailblazer version 3.x and > Trailblazer Plus can be programmed to attack dial from the non > volitile directory until they get a connection. > The modem can also be set to > automatically attack dial if the carrier is dropped. Very interesting... I hadn't noticed this feature in my perusal of the Trailblazer Plus manuals, and a quick re-check doesn't spot anthting. How are these features invoked? My TT+ wish-list is for a speed selection on pulse dialling, and a more robust &R1 command, that is queued instead of flushing the buffers. How the hell is my script supposed to know the buffers are empty and it's safe to diddle compression again? -- -Colin (uunet!microsof!w-colinp)
wtm@neoucom.UUCP (Bill Mayhew) (01/18/89)
Page 4-29 of the 90048-01 Rev.A "Commands and Registers Reference
Manual" for the Trailblazer Plus says that automatic redial is
accomplished with S103. It looks like option 2 is the one:
"2 Enable automatic dialing whenever the modem is on-hook and the
DTR control signal is active. This option allows the modem to
automatically attempt to re-establish a dropped connection
without operation intervention which is useful when the local
DTE behaves as if it were connected to a dedicated line.
...
In each of the above cases, the modem will attempt to connect
in either originate or answer mode depending on the setting of
the S100 register.
For modems which have front panel switches, the number dialed
is dependent on the setting of the A/B switch when the dialing
function is initiated. If the A/B switch is in the A position
the first number (N0) in the Number Directory is dialed;
whereas if the switch is in the B position the second number
(N1) is dialed.
If you modem does not have front panel switches, it will dial
the first number in the Number Directory when the auto-dial is
initiated via the DTR signal as described for options 1 and
2."
S101 is probably the register for you if you are running the
trailblazers on a leased line. Option 1 attempts a connect in
answer mode every 20 seconds whenever a carrier is NOT present.
Option 2 attempts to connect in originate mode every 20 seconds if
a carrier is not present.
You'd need to remember to set S103 back to option 0 after you
finish your call. Uucico would need minor hacking if you were
running a uugetty on the line to make sure that the S103 was at
option 0. I'm not exactly sure what to do about the potentially
indeterminate start-up delay if you didn't have HDB source for
hacking. In Xenix you could hanle it nicely in your dialer.c
script. I suppose with HDB, you could do your dialing inside your
own c program and then fork uuccico and wait for uucico to finish,
then go ahead and kill the modem.
By the way, I use a bunch of /d (22 to be exact) in my dialer
expect-send string when attempting a PEP answer last connect. We
have ESS-4 (apparently) here, and even long distance calls seem to
make it in 40 sec (including the answer handshake). That gives us
4 seconds to spare. Season to tase for crossbar or step-by-step
(yuck!) offices.
--Billjim@eda.com (Jim Budler) (01/18/89)
In article <1468@neoucom.UUCP> wtm@neoucom.UUCP (Bill Mayhew) writes:
#
# Page 4-29 of the 90048-01 Rev.A "Commands and Registers Reference
# Manual" for the Trailblazer Plus says that automatic redial is
# accomplished with S103. It looks like option 2 is the one:
#
Except it's S104. You scared me there. I have the same rev. but I
looked at S103, and it was "Rackmount Controller Exclusive Access".
Checked the rev. again. Same. Checked your page reference, and
came up with S104, which is as you described.
#
# --Bill
jim
--
Jim Budler address = uucp: ...!{decwrl,uunet}!eda!jim
domain: jim@eda.comwayne@teemc.UUCP (//ichael R. //ayne) (01/18/89)
In article <1465@neoucom.UUCP> wtm@neoucom.UUCP (Bill Mayhew) writes: > >One sort of neat feature that the sales brochure on the Telebit >modems didn't point out is that the Trailblazer version 3.x and >Trailblazer Plus can be programmed to attack dial from the non >volitile directory until they get a connection. One of the features I most miss from the Racal-Vadic's I used to use is the ability to attack dial from ANY of the numbers in in nvRAM. They had a feature called "linking" which, if a given connect sequence failed, would go to a number. This gave many possibilities such as: #1 number. If fail goto #1 (Attack one number till success) #2 number. If fail goto #4 (Attack on 2 numbers till success) #3 number. If fail goto #5 (Try 2 numbers then quit) #4 number. If fail goto #2 #5 number I also wish: 1)There was a way to store more numbers in the modems. I carry one of my TB+ modems to whatever machine I am working on at the time and, with all of the switch settings I need to do to contact certain machines (yes, you CAN do ATN0=S51=5S111=30DT555-1212\Info), it would be nice to be able to store about 20-30 numbers. I suspect that there is no H/W limit to 10 numbers, just that 20 numbers would scroll off a 24 line screen. 2)There was documentation on all switch settings. Even a usenet posting would be OK (although an errata sheet would be preferred). Things like S51=254 and S120=packet delay and whatever else has not been documented. I suspect that every unlisted register does SOMETHING but have been reluctant to try setting them to random values. 3)There was a way to select A/B configurations by using an S register. This would let those of us with the grey model use dual configurations. Although I have these minor complaints, I love my modems and have been responsible for the sale of at least 30 more of them around the country (several NOT on the 1/2 price deal). For the moment, they are the best way to push large amounts of data around if you can rely on one on the other end of the phone line and they spoof the protocol you use. /\/\ \/\/ -- Michael R. Wayne --- TMC & Associates --- wayne@teemc.uucp INTERNET: wayne%teemc.uucp@mailgw.cc.umich.edu uunet!umix!teemc!wayne
w-colinp@microsoft.UUCP (Colin Plumb) (01/19/89)
wtm@neoucom.UUCP (Bill Mayhew) wrote: > Page 4-29 of the 90048-01 Rev.A "Commands and Registers Reference > Manual" for the Trailblazer Plus says that automatic redial is > accomplished with S103. It looks like option 2 is the one: That should be S104, not 103. The page is correct. Thanks for the information! I've read the manual I-don't-know-how-many times, and I never saw that. I have found the memory dumper/modifier hidden behind ATJ, though... anyone else hacked the modem? -- -Colin (uunet!microsof!w-colinp)