McQuay MicroTech Installation And Maintenance Data
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McQuay MicroTech Installation And Maintenance Data

Modem kit
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  • Page 3: General Description

    AC adapter jack. Note: To monitor MicroTech controller(s) via the use of The LB LED refers to low battery. In all MicroTech ap- a modem, your PC must be equipped with a modem and plications, a battery is not used.

  • Page 4: Interface Cable

    Interface Cable Figure 1. US Robotics@ WorldPortTM Modem (14.4K) The interface cable connects to the modem’s extension cable and the MicroTech controller. Figure 2 shows the Top View interface cable. The interface cable has a nine-pin male connector terminated on one end. This male connector attaches to the extension cable’s nine-pin female connector.

  • Page 5: Installation

    Wiring the interface cable involves finding the power source Table 4. Power Supply Terminals (12-l 7 VDC) for the power wire. The red power wire must be connected to a 12-l 7 VDC power supply inside the MicroTech Panel. Applied Rooftop TB6-42...

  • Page 6: Modem Configuration

    AMP Connector The AMP connector attaches to the communication port A of a MicroTech controller (see Figure 4). Align the AMP connector with the port A connector on the MicroTech con- troller. Insert the AMP connector into port A. The AMP con-...
  • Page 7 “user screen.” Consult your Moni- decimal form such as 9B. The first digit (9) is the port B tor user’s manual or contact your McQuay Service repre- speed and the second digit (B) is the port A speed. See sentative for more details.

  • Page 8: Remote Access

    Note: For high speed modems, flow control must be ries controller) to change the Program Checksum. A disabled to make the modems MicroTech compatible. In the command on the screen will ask, “New Value for WorldPort 14.4K modem, flow control is disabled as a fac- 00.00 W8001 or [0A01] or <ENTER>...

  • Page 10: Troubleshooting Power Problems

    Troubleshooting Power Problems Problems The modem interface cable receives 12-17 VDC from the MicroTech controller. A red power wire connects directly to If communications to the modem is unsuccessful or lost, the MicroTech controller. A power plug on the interface the following troubleshooting items may help in repairing cable delivers AC voltage to the modem.

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