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Modèle:
TAS Gemini Warp
Date:
2001
Catégorie:
Groupe:
Description:
Dual Terminal Emulator
Information
The TAS Gemini Warp Dual Terminal Emulator is a dual data
Analyzer that is especially suited for testing and
evaluating modems and modem communication links. Gemini
effectively tests and evaluates the performance of analog
modems, limited-distance modems (LDMs), Digital Dataphone
Service (DDS) sets, ISDN terminal adaptors, data
multiplexers, and more. Gemini combines the features
required for thorough testing into one compact unit. By
combining these features, Gemini dramatically reduces the
cost and complexity of data communications equipment test
arrangements.
The Gemini Warp is the newest member of the Gemini family of
Dual Terminal Emulators. The following subsections describe
the many features of the Gemini Warp, and compare those
features with earlier Gemini models.
1.1. Gemini Warp Features
Two Data Analyzers In One - Gemini contains two complete
data communications analyzers in one compact package. This
makes it easy to perform end-to-end tests on modems, DDS
sets, limited distance modems, ISDN terminals, multiplexers,
and other data communications equipment. Gemini's terminal
emulation, data monitor, and performance testing features
operate at rates from 45 to 2.048 Mbps.
Advanced Performance Tests - Gemini provides built-in
performance testing capabilities, including Bit Error
Rate/Throughput (BERT) tests, Block Acknowledge Delay tests,
Call Connect Reliability tests, Character Echo Delay tests,
Data Compression/File Transfer Performance tests,
Multi-Point Polling tests, and Polling tests.
High Speed BERT Testing - Gemini Warp performs BERT tests at
rates up to 2.048 Mbps with internal clock generation. Other
Gemini test applications operate at rates up to 256 Kbps.
Built-In Call Setup - Gemini can store and execute call
setup instructions for virtually any modem. Call setup data
formats include asynchronous, synchronous, and HDLC
protocol. Characters can be coded in ASCII or EBCDIC. Gemini
can also monitor and display the data flow to and from each
modem. Gemini provides complete testing capability, and
eliminates the additional terminals, protocol analyzers, and
switching equipment previously required for modem test setups.
EIA/TIA-530-A Interfaces - Gemini Warp supports the EIA/TIA
530-A Alt A Interface as well as the RS-232 Interface at
either station A or B. The EIA/TIA 530-A Interface standard
is currently being implemented on many high speed modems and
other data communications equipment. The Gemini Warp
supports use of the same Interface at both stations, or
mixed interfaces (i.e., RS-232 at station A and 530-A at
station B).
High Speed RS-232 Interfaces - The electrical Interface for
RS-232 provides V.10 compatible signal levels and templates
for higher speed operation using the standard 25-pin RS-232
connector (as per the TIA Subcommittee TR-30.2 document
SP-3058, dated November, 1993). For details refer to section
8.3. This Interface is still fully compatible with other
RS-232 standard implementations.
NOTE: The RS-232 to V.35 adapter cables which were used with
the Gemini 1022 and 1022HS models will not work with the
reduced voltage levels of the Gemini Warp. The Gemini Warp’s
EIA/TIA 530A interfaces may be connected directly to V.35
interfaces using an appropriate adapter cable. V.35 adapter
cables may be ordered from TAS.
Programmable RS-232 Interfaces - Gemini Warp supports
multiple configurations of the RS-232 interfaces. To provide
support for the various domestic and international
standards, two pins on the standard 25 pin RS-232 Interface
are programmable. Pins 21 (Signal Quality Detect or Remote
Loopback) and 23 (Data Rate Select) may be configured to be
output signals, or input signals.
Signal Lead Timing Measurements - Gemini Warp supports
timing measurements of signals at either Interface. Timing
measurements may be performed in parallel with any other
test without degrading the performance of that test. Timing
measurements may be either continuous (self triggering), or
one- shot. Measurements may be performed between signals on
the same station, or between stations. Timing measurements
are available at either RS-232 or 530-A interfaces on the
following signals:
Transmit Data Transmit Clock External Transmit Clock Clear
to Send Data Terminal Ready Ring Indicator
Sec. Receive Data (RS-232 only) Sec. Clear to Send (RS-232 only)
Receive Data Receive Clock Request to Send Data Carrier
Detect Data Set Ready
Sec. Transmit Data (RS-232 only)
Sec. Request to Send (RS-232 only) Sec. Data Carrier Detect
(RS-232 only)
Remote Control - RS-232 and IEEE-488 (GPIB) control are
standard with Gemini. Remote control commands are simple and
easy to use, and are the same regardless of the remote
control method. This makes it easy to include Gemini in
automatic modem test systems.
RS-232/GPIB Command Translator - Gemini can act as the GPIB
controller in an automatic test system. Commands are sent to
Gemini via the RS-232 remote control port, and Gemini
controls the rest of the test station via GPIB. This allows
any standard PC to act as a GPIB controller without
additional GPIB control hardware.
Optional Interface Modules - As new Interface standards are
adopted, your Gemini Warp can be upgraded with optional
Interface modules from TAS. Contact your TAS sales
representative for more information.
Software Upgrades - The Gemini Warp Software is stored on
EPROMs located inside the unit. You can easily upgrade your
Software by replacing the EPROMs
Type manuel:
Manuel de l'utilisateur
Pages:
350
Taille:
1.14 Mbytes (1194738 Bytes)
Langue:
english
Révision:
5.20
Manuel-ID:
2700-3633
Date:
2001 01 01
Qualité:
Document scanné, tous les lisible.
Date de transfert:
2017 02 05
MD5:
4d1ccba35b4893f39cb60875bb7e75b2
Téléchargements:
534
Information
This manual applies to Gemini Warp version 5.12 and higher
This manual contains all the information you need to install
and operate the TAS Gemini Warp Dual Terminal Emulator. This
manual is structured as follows:
Section 1, Introduction provides and overview of Gemini
features and functions, details the Gemini installation
procedure, and contains upgrade information on previous
releases. Be sure to read this section before operating the
Gemini.
Section 2, Local Operation describes the Gemini front panel
and menus in detail, and provides procedures for setting up
and executing Gemini's tests. Examples are provided for each
test procedure.
Section 3, Gemini Menu Reference provides an overview of
Gemini's menu structure. Each Gemini menu and submenu is
graphically displayed and described.
Section 4, Gemini Parameter Reference contains detailed
information about each Gemini test parameter.
Section 5, Remote Operation describes the Gemini GPIB and
RS-232 remote control interfaces. This section provides an
overview of the Gemini command set and command syntax, and
contains sample remote control procedures. 'Remote control
examples for setting up a BERT test and a Data Compression
test are also provided.
Section 6, Gemini Commands Quick Reference contains a quick
reference for the entire Gemini commands set.
Section 7, Gemini Error Codes documents the error codes that
you may encounter while using the Gemini.
Section 8, Technical Specifications contains detailed
specifications and connector pin assignments.
The Appendix section provides additional information on
Gemini's ROM files.