Specifications

Chapter 2 Installation and Setup Installation and Operation Manual
2-6 Connecting to Power ASMi-52 Ver. 2.8
³ To connect the DTE interface:
• Connect the DTE to the appropriate rear panel DTE interface connector of the
ASMi-52 modem.
Appendix A specifies the DTE connector pinouts.
Connecting to External Alarm Devices
The external alarm devices are connected to ASMi-52 via the Alarm Relay port
provided on the rear panel (or on the bottom panel in the case of the Rail-Mount
model).
³ To connect the alarm relay:
• Connect the external alarm device to the rear panel terminal block connector
designated ALARM. Refer to
Appendix A for the connector pinout and alarm
functions.
2.5 Connecting to Power
ASMi-52 is equipped with a dual input AC/DC power supply. AC or DC power is
supplied to ASMi-52 via a standard 3-prong power input connector on the rear
panel (see
Figure 2-3 ).
Before connecting this unit to a power source and connecting or disconnecting
any other cable, the protective earth terminals of this unit must be connected to
the protective ground conductor of the mains (AC or DC) power cord. If you are
using an extension cord (power cable) make sure it is grounded as well.
Any interruption of the protective (grounding) conductor (inside or outside the
instrument) or disconnecting of the protective earth terminal can make this unit
dangerous. Intentional interruption is prohibited.
Connecting to AC Power
AC power should be supplied through the 1.5m (5 ft) standard power cable
terminated by a standard 3-prong plug. The cable is provided with the unit.
³ To connect AC power:
1. Connect the power cable to the power connector on the ASMi-52 rear panel.
2. Connect the power cable to the mains outlet.
The unit turns on automatically upon connection to the mains.
Connecting to DC Power
DC power is supplied to ASMi-52 via a compatible AC/DC plug for attaching DC
power supply lines.
Warning