Black Box MD1970A, Руководство пользователя

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Installing the Modem
Chapter 2
Installing the Modem
T
his chapter describes how to install the modem.
Site Preparation
The location where you install your modem should be:
•
Within six feet of a 115 or 230 VAC grounded outlet not controlled by a wall switch
•
No more than 50 feet from the data terminal equipment
•
Away from extremes of temperature, humidity, and appreciable shock.
Note: Be sure that there is a 4-inch minimum space at the back of the modem for signal line and interface cable
clearance.
Unpacking Your Hardware
Your package should include at least one MD1970A or MD1970C modem, one RJ-45 jack-to-4 wire leased line
cable, and this Installation Guide. If your package contents are damaged or missing, please contact your place of
purchase immediately.
Additional Items You Need
To use your modem, you need the following additional items:
™ All users : an RS-232 cable to connect a data terminal. The cable must conform to the pin assignments shown on
page 19.
™
Standalone modem users : a two- or four-wire transmission line or leased line and power supply.
™ Rack-mount modem users : a modem rack and an available slot in the rack for installing the modem.
Hardware Overview
Figures 2-1, 2-2, and 2-3 show the front and back modem panels.
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