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Check out CQ's 3770 Enterprise Extender solution -

This solution allows SNA communications over existing IP connections through IBM's Enterprise Extender technology for the ultimate in convenient and reliable 377x SNA/RJE connectivity.

CQ-3770 Features
Sample Screen Shots
Hardware and Connection Options
Communications Options

Solution Overview

The CQ-3770® connectivity solution delivers the ultimate in IBM® 377x SNA/RJE terminal emulation connectivity by combining the depth and full range of IBM emulation with the simplicity and ease-of-use of the Windows® Graphical User Interface (GUI).  This solution provides simple and convenient connectivity from any remote or local workstation or client running a Microsoft® Windows operating system.  CQ-3770 is also available for connectivity from any remote or local network server running a Microsoft Windows server operating system.


Along with standard 3776/3777 SNA/RJE terminal emulation, CQ-3770 offers outstanding features in the following areas:

CQ-3770 CDAdditional Technical Features

Sample Screen Shots

CQ provides our web page visitors with a quick look at several sample CQ-3770 screens.

CQ Configurator Screen
This screen displays the settings required by most users to complete configuration.  Some users may need to access the Advanced Options screen (see below) for further customization.

CQ Configurator Screen

Advanced Options Screen
Most options that are necessary for host communications can be set through the CQ Configurator screen (see above).  In some cases, it may be necessary to set some of the options that do not appear on the CQ Configurator screen from within the various folder tab options (Dialing, Modem, etc.) located on the Advanced Options screen.

Advanced Options Screen

Interface Screen
The Interface screen appears in CQ In/Out Bound mode when you are connected with the host.

Interface Screen (in CQ In/Out Bound mode)

Receive Data Screen
From this screen, you can change the settings associated with receiving data from the host.

Receive Data Screen

Receive Data - Form Options Screen
From this screen, you can change the settings associated with receiving form data.

Receive Data - Form Options Screen

CQ Script Screen
From this screen, you can view a CQ script as it runs.

CQ Script Screen

Customize Toolbar Screen
From this screen, you can customize the toolbar that appears within the Emulator screen by adding, editing, or deleting toolbar buttons.

Customize Toolbar Screen

Hardware and Connection Options

To communicate with a mainframe computer using CQ-3770, the PC or notebook computer running CQ-3770 must be equipped with the proper hardware.  In most cases, the host site almost always determines the connection option for communications between remote or local workstations and the mainframe computer.  For example, the host site might help to determine the speed (baud rate) of the connection as the host site ultimately controls this option.  Other factors, such as port availability, type of port, and other factors, are controlled by the workstation that is connecting with the mainframe.

Each CQ-3770 connectivity solution is equipped with a primary communications driver that is based on the user’s hardware configuration.  Hardware configuration options include AutoSync 2 modems, CQ-Sync PCI adapter cards, Ethernet Network Interface Cards (NICs), Token Ring adapter cards, and Bus&Tag adapters.  The type of connection can be further divided into remote or local connections as well as connections from a stand-alone workstation or a client workstation on a server.  CQ-3270 is as flexible as your needs are, so contact CQ if you have any questions about which solution is right for your application.

Quick Jump to Connection Option...

Hayes™ OPTIMA™ Modem (with AutoSync 2)

Before the AutoSync technology, remote PC-to-host communications users were required to install and configure numerous hardware components on the workstation including an internal synchronous adapter card, cable, external synchronous modem, and, in some cases, additional hardware such as a switch box.

In the 1980’s, CQ co-developed and engineered the original AutoSync technology with Hayes Microcomputer Products, Inc.  The AutoSync technology allows synchronous PC-to-host users to eliminate additional hardware that was previously required for host connectivity.  In AutoSync mode, the modem automatically performs an internal asynchronous-to-synchronous conversion, thus permitting easy PC-to-host communications without any additional hardware required!

The AutoSync 2 feature automatically performs the sync/async conversion that is necessary for synchronous host communications over analog dial-up lines at speeds up to 33.6 Kbps.  This feature is available in the OPTIMA line of external and internal modems that are currently manufactured by Zoom® Telephonics, Inc.  PCMCIA versions of the OPTIMA modem are available directly through CQ.

CQ-Sync100™ PCI Adapter Card

This internal 32-bit synchronous adapter card allows PC users to connect remotely to host computers over analog dial-up or dedicated leased lines at speeds up to 33.6 Kbps.  The card uses an RS-232 cable to connect to an external synchronous modem.

CQ-Sync 200™ PCI and CQ-Sync300™ PCI High-Speed Adapter Cards

These internal 32-bit high-speed synchronous adapter cards allow PC users to connect remotely to host computers through two different hardware configurations.  The CQ-Sync200 PCI adapter card uses an RS-232 cable to connect to an external synchronous modem or high-speed device (CSU/DSU, Router, etc.).  The CQ-Sync300 PCI adapter card uses a V.35 cable.

  1. The first configuration uses the adapter cards to communicate over analog dial-up lines, dedicated leased lines, ISDN lines, T1/Fractional T1 leased lines, or other connection lines at speeds between 2400 bps and 128 Kbps.  The CQ-Sync PCI card is installed at the remote workstation and is then connected to an external synchronous modem or high-speed device.
  1. The second configuration uses the adapter cards and high-speed devices to communicate through a local router over routed networks.

Ethernet NIC or Token Ring Adapter Card (DLC Interface)

These connections function through internal Network Interface Cards (NICs) installed in a PC that is part of an Ethernet or Token Ring network.  The CQ-3770 solution allows remote host connectivity through Microsoft’s Data Link Control (DLC Interface*) protocol.  The solution communicates to the host through a local router over a routed network (Frame Relay, etc.).

* Microsoft’s DLC Interface and Windows XP Policy
According to Microsoft’s web site, the DLC protocol is not available in Windows XP and support for the DLC protocol has been discontinued in Windows XP.  However, a Windows XP version of the DLC protocol is available free for download, although the DLC protocol may not work properly with Windows XP and Microsoft does not support the DLC protocol with Windows XP.  As a result of Microsoft’s policy, CQ solutions using the DLC protocol under Windows XP may be limited.  CQ does not claim that the DLC version of its solution will run error-free or without incidents in Windows XP, only that CQ software support provided by CQ for DLC connections running in Windows XP is subject to and limited by Microsoft’s policy for running DLC connections in Windows XP.

Local Direct Connection

This connection allows direct host connectivity through a local workstation.  If the workstation is connected to a local Ethernet or Token Ring network, the solution communicates through an internal Ethernet NIC or Token Ring adapter card installed on the local workstation.  Another option is to use a CQ-Sync PCI adapter card to perform the direct connection to the host.  For the ultimate in high-speed connectivity, CQ’s solutions support channel attach to the host via Bus&Tag.

Microsoft Host Integration Server

This type of connection allows remote or local host connectivity over TCP/IP, IPX/SPX, and other network connections.  With this connection, the CQ connectivity solution operates with Microsoft’s Windows Server Systems™ such as Host Integration Server 2004 and Host Integration Server 2000.  The CQ solution can reside on either the network server PC or a Local Area Network (LAN) network workstation.

Communications Options


Workstation (PC, Notebook, etc.) or Server Requirements

Host End Requirements

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