Package Contents 2-1
Chapter 2 Installation and Setup This chapter describes installation and setup procedures for the standalone
FOM-E1/T1 modem.
FOM-E1/T1 is delivered completely assembled. It is designed for tabletop or
19-inch rack installation. For instructions on installation of a single unit or two units
in a 19-inch rack, refer to the rack mounting kit for 19-inch racks guide that comes
with the RM kit.
After installing the unit, refer to Chapter 3 to assure normal operation.
In case a problem is encountered, refer to Chapter 4 for test instructions.
Internal settings, adjustment, maintenance, and repairs may be performed
only by a skilled technician who is aware of the hazards involved.
Always observe standard safety precautions during installation, operation, and
maintenance of this product.
2.1 Site Requirements and Prerequisites
An AC-powered FOM-E1/T1 should be installed within 1.5m (5 ft) of an easily
accessible grounded AC outlet. The outlet should furnish 115 VAC or 230 VAC
(depending on rated voltage of unit).
A DC-powered FOM-E1/T1 unit requires -48 VDC or 24 VDC power source,
which must be adequately isolated from the mains supply. In order to prevent a
fire hazard, a suitable fuse should be installed in the DC line.
Allow at least 90 cm (36 in) of frontal clearance for operating and maintenance
accessibility. Allow at least 10 cm (4 in) clearance at the rear of the unit for signal
lines and interface cables.
The ambient operating temperature of FOM-E1/T1 is 0° to 50°C (32° to 122°F) at
relative humidity of 90%, non-condensing.
2.2 Package Contents
The package of the standalone FOM-E1/T1 modem includes:
• One FOM-E1/T1 unit or FOM-E1/T1/R card
• Last Mile Access and Intelligent Modems CD
• AC power cord or DC power supply connector kit
• CBL-FOME1T1/RJ-45 cable for the balanced E1/T1 and alarm relay connection
(if ordered).
• RM-9 rack installation kit (if ordered).
Warning