Specifications

Site Requirements and Prerequisites 2-1
Chapter 2
Installation and Setup
This chapter describes installation and setup procedures for the standalone
ASMi-52 modem.
After installing the unit:
• Refer to Chapter 3 for the operating instructions.
• Refer to Chapter 4 for the detailed system configuration procedures using an
ASCII terminal connected to the ASMi-52 control port.
If a problem is encountered, refer to Chapter 5 for test and diagnostic 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
AC-powered ASMi-52 units should be installed within 1.5m (5 ft) of an
easily-accessible grounded AC outlet capable of furnishing the voltage in
accordance with ASMi-52 nominal supply voltage.
DC-powered ASMi-52 units require a -48 VDC power source, which must be
adequately isolated from the main supply.
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 ASMi-52 should be 0 to 50°C (32 to 122°F),
at a relative humidity of up to 90%, non-condensing.
Warning