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BiSync Modem for file transfers

Click for UNIX 3780

Bi-Synchronous Modems

The most popular package for 3780 File Transfers including a bisync modem is the SyncPack2000e

Bi-Sync Modems for Low Cost, Safe & Secure File Transfers between certain host mainframe sites like >>

Wal-Mart, SAM'S, McLanes  

Marshall-Fields, Target, Dayton-Hudson, Mervyn's

Today, most of us use Asynchronous (Async) type modems, but Async modems alone will not allow the use of certain older communication protocols (such as IBM's 3780 file transfer protocol).  To use a bisynchronous protocol such as the IBM 3780, you will require a higher cost so called bi-sync type modem (technically speaking however, modems are either asynchronous and/or synchronous and a bi-sync protocol such as 3780 operates on the synchronous side of the modem). 

All modems except the Hayes OPTIMA modems require the use of a synchronous interface device in order to operate through the PC's COM port and the modem itself.  This means either an internal Synchronous Interface Card (SIC) or a device like Cleo's SYNCcable+ must connect to the bi-sync modem before it will operate using a protocol such as bi-synchronous 3780.  These synchronous interface devices often cost more than the modem itself.  

A Sample of so called BiSync Modems

smallredarrow.gif (103 bytes) Hayes Modem  V34+ and 56K CCITT/ITU "V" series. 9.6Kbps to 56K
smallredarrow.gif (103 bytes) OKIDATA Bell 208  Bell 208A/B 4.8 Kbps  (out of production)
smallredarrow.gif (103 bytes) Motorola 2860  Combination Bell 201 (2.4 Kbps) and Bell 208 (4.8 Kbps)
smallredarrow.gif (103 bytes) Motorola 3229  V32 9.6 Kbps (out of production)
smallredarrow.gif (103 bytes) Motorola 3260  V34+ 9.6 to 33.6 Kbps (out of production)
smallredarrow.gif (103 bytes) Motorola 3400   V34 9.6 to 28.8 Kbps (out of production)
smallredarrow.gif (103 bytes) Motorola 3600  V34+ 9.6 to 33.6 Kbps
smallredarrow.gif (103 bytes) Courier Modem  V90 3Com 56K v.Everything 9.6 to 56 Kbps

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The most popular package that includes a bi-sync modem is the SyncPack2000e.

Some of the Applications Supported with BiSync Modems:

EDI (Electronic Data Interchange) CAD/CAM/CAE/CIM Bulk Data File Transfers IRS Electronic Tax Filing
Medical Health Care Claims Filing/Payment Point-of-Sale Transactions Electronic Funds Transfer and ATM Transactions
Credit Card Verifications Lock Box Transactions and Check Clearing Federal Reserve Transactions
Bulk Micro-to-Mainframe Remote Job Entry (RJE)

FastSync® 3780 Software will operate on most synchronous oriented modems, however we suggest those modems that have auto dialing capabilities.

Sample 2,400 bps & 4,800 bps Synchronous Bell Modems:

  • UDS 201c/d & UDS 2140
  • UDS 208b/d
  • Racal-Vadic 4850PA

Sample 9,600 bps (V.32) - 33,600 bps (V.34+) Synchronous Modems:

  • Motorola® V3260Fast™ V.34
  • FastComm® FDX-9696
  • Hayes® Smartmodem® 9600
  • Hayes ULTRA® 96 V.32
  • Hayes OPTIMA® V.32 & V34+
  • MultiTech MT932EAB
  • Racal-Datacom (with SADL)
  • Racal-Datacom 9632PA
  • UDS FasTalk II & 32bx
  • UDS V.3225 and V.3227
  • Motorola V.34 V3400
  • Motorola V.34 V34R
  • Motorola V.34+ Model 3600
  • U.S. Robotics® Courier HST®
  • U.S. Robotics Courier V.Everything 33.6
  • IBM® 14.4 7855
  • Western Datacom® 432 V.32
  • CTI's SyncPack 2000i-144
  • CTI's SyncPack 2000i-336
  • Racal-Datacom V3222
  • Image TWINCOM®
  • ATI® 9600ETC/e V.32
  • AT&T DataPort V.32bis

Note: Other modems not on this list are known to operate with FastSync 3780 software and/or related hardware. Call CTI if you have questions.

For all UNIX oriented 3780 products, click here.

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Manufacturers using BiSync Modems and FastSync 3780 Software

Banks/Credit Unions using BiSync Modems and FastSync 3780 Software