RAD Data comm ASMi-31 - Manual (Page 23)

ASMi-31 Installation and Operation Manual Chapter 2. Installation and Setup
16-05-01 13:37 Installation and Setup 2-3
Warning
Access to the inside of the equipment is permitted only to the
authorized and qualified personnel.
To avoid accidental electric shock, always disconnect the interface
cables and the power cord before removing the unit from its casing.
Line voltages are present inside ASMi-31 when it is connected to power
and/or the lines. Moreover, under certain fault conditions, dangerous
voltages may appear on the lines connected to the unit.
Any adjustment, maintenance and repair of the opened instrument
under voltage must be avoided as much as possible and, when
inevitable, should be carried out only by a skilled technician who is
aware of the hazard involved. Capacitors inside the unit may still be
charged even after the unit has been disconnected from its source of
power.
Caution
ASMi-31 contains components sensitive to electrostatic discharge (ESD). To
prevent ESD damage, avoid touching the internal components, and before
moving jumpers, touch the ASMi-31 frame.
Opening the ASMi-31 Case
To reach the internal jumpers and switches of ASMi-31, it is necessary to
open its case.
➤ ➤ ➤ ➤ To open the ASMi-31 case:
1. Disconnect all the cables connected to ASMi-31.
2. Turn the unit over (bottom facing up).
3. Unscrew the four cover screws.
4. Turn the unit over (bottom facing down).
5. After the four screws released, remove the ASMi-31 top cover by
pulling it straight up.
Setting the Internal Jumpers and Switches
The internal jumpers and switches located on the ASMi-31 printed circuit
board (PCB) are identified in * Baud
rates not applicable.
Figure 2-1. Their numbers under heading "Item" in Table 2-1 correspond to
the identification numbers shown in Table 2-1.
Order from: Cutter Networks Ph:727-398-5252/Fax:727-397-9610 www.bestdatasource.com