User manual

CHAPTER 2: INSTALLATION
2) If you are unsure whether the electrical service in your building is properly
grounded, have it examined by your municipal electrical inspector.
3) Install a surge protector between the modem and AC power outlet. Any
additional computer equipment you have connected to the modem (directly or
through another device), such as a terminal or printer, should also be plugged
into the same surge protector. Make sure that the surge protector is properly rated
for the devices you have connected to it.
4) Call your telephone company and ask them if your telephone line is equipped
with a circuit surge protector.
5) If you are operating the modem in an area where the risk of electrical surges form
lightning is high, disconnect the modem form the telephone line at the modem's
rear panel when it is not in use.
2.4 Site Selection
Locate the Network Series Modem no farther than 50 feet (15.24 meters)
from your data terminal equipment (DTE) and within 6 feet (1.83 meters) of a
grounded AC outlet furnishing the required power. Install the modem in a clean area
that is free from environmental extremes. Allow at least 6 inch (15.24 cm) in front of
the modem for access to the front panel, and at least 4 inch (10.2 cm) in back for cable
clearance. Position the modem so you can easily see the front panel. Do not stack
another modem on top of modem.
For more detailed information on installation Modem Shelf TRS-16 and NMC-
16 installation, please refer the Rack-Mounted Modem Shelf - TRS-16 or
TRS-32 User’s Manual”.
2.5 AC Electrical Outlet Connection
The power line associated with MODEM is about 2 meters, three pins plug.
Middle cylinder is for grounding. For power source adapting, an automatic switching
power supply (90
〜
265VAC) is used for the device, the fuse for stand alone type is
2A, for rack-mount type is 4A. The rack-mount type is also capable for DC Source
Power Supply (option) and its voltage range is -36 ~ -72VDC.
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