RAD Data comm Closing the ASMi-31 Case, To close the ASMi-31 case, Connecting the Line

Chapter 2. Installation and SetupASMi-31Installation and Operation Manual

Table 2-1 ASMi-31 Internal Jumpers and Switches (Cont.)

Item Jumper	Description	Values	Default Setting
Section 7	Controls the DTR to DSR	ON – Indicates only that the	DSR
	transfer	local unit is powered up. It
		does not indicate the status of
		the communication channel or
		operational status of the remote
		site
		OFF – Indicates that the DSR of
		the local unit follows the DTR
		signal of the remote unit
Section 8	Controls the ASMi-31	ON – Slave	Slave
	operational status – slave or	OFF – Master
	master

Closing the ASMi-31 Case

After completing the internal settings, close the unit case.

➤To close the ASMi-31 case:

1.Replace the upper half of the unit and press firmly until the plastic tabs fit into the tab housing.

2.Insert the original cover screws in their positions and tighten carefully. Do not use excessive torque.

Connecting the	Figure 2-2illustrates the rear panel of the ASMi-31 modem.
Interfaces

	DTE	LINE
		GND
		2	4 5
~230V	0.1A T 250V

Figure 2-2 ASMi-31 Rear Panel

Connecting the Line

The ASMi-31 line connector is a terminal block/RJ-45 connector. Connect the transmission line (twisted pair) to the two clips marked LINE and the cable shield to the clip marked GND (optional). High rate data communication twisted pair cable is highly recommended in order to prevent crosstalk.

Before connecting the cables, make sure that the equipment is earthed by its power cable.

Caution Insert the GND lead first.

2-6 Installation and Setup

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