EFJohnson 7780 Connecting RPI to Computer and Transceiver, Starting and Exiting, Help Files

TRANSCEIVER PROGRAMMING

Windows 95/98 - Select Start > Settings > Control Panel and double click “Add/Remove Programs”. Then click Install and Next. When SETUP.EXE is automatically located on the floppy drive, click Next, select the location for the start-up icon, and enter the name you want to call the program.

4. Follow the instructions displayed by the setup

program. The default directory for the program is

						PROGRAMMING CABLE
						Part No. 597-2002-122/-123
				4	RxD	Orange
		To Radio		6	Gnd	Black
	Accessory
	Connector			2	Mic Audio	Red
					Reset [1]	Green
9				8
			8	1	PTT/Flash	Yellow
7
			6	5	Vcc	Blue
5
			4
3				9	Speaker	White
	2
1					TxD	Brown
				3

Modular

Connector

A

1

2

3 To

RPI

4

5

6

B

\Program Files\PCTrunk. If you wish to use some

other directory, click Browse and select it or type the

name.

3.1.4CONNECTING RPI TO COMPUTER AND TRANSCEIVER

RPI Information

The RPI provides the required interface between the computer and transceiver. It converts the RS-232 logic levels from the computer to the 5V logic levels required by the transceiver microprocessor and vice versa.

The current RPI available for programming trans- ceivers of this type is Part No. 023-9800-000. Earlier RPI’s, such as 023-9750-000 and 023-5810-000 can also be used. However, the -9800- RPI is the only one that has the speaker and microphone audio jacks required to perform the alignment described in Section

6.In addition, it is the only RPI that can be used to

Flash program the transceiver to update the operating software.

Cable Information

The cables from the RPI to the computer and transceiver are not included with the RPI. The -9800- RPI has a female DB9 connector for the computer connection. Since most computer serial ports have a male DB9 or DB25 connector, a male DB9 to female DB9 or DB25 is usually required. This is a standard cable available at most computer supply stores. A suit- able cable is also listed in Table 1-1.

The cable from the RPI to the transceiver connects from the RPI to the accessory connector of the transceiver. A schematic diagram of this cable is shown in Figure 3-2. The -122 version of this cable can also be used because the extra wire connected to pin 8 is not required with this radio.

[1] Pin 8 is connected on -123 cable only

Pin A Pin B

Figure 3-2 RPI -Transceiver Cable Schematic

3.1.5 STARTING AND EXITING

To Start PCTrunk From Windows 3.1

In the Program Manager, open the PCTrunk group window. Then double-click the PCTrunk icon.

To Start PCTrunk From Windows 95/98

Click the Start button and select the PCTrunk group. Then double-click the PCTrunk icon.

To Exit PCTrunk:

Select File > Exit or press ALT + F4.

3.1.6 PROGRAMMING FILE TYPES

Programming data is stored in a disk file that can be saved, read, copied, and deleted (see Section 3.3.1). The file that is stored for each programming session has the .DAT extension.

3.1.7 HELP FILES

To display help information on the current screen, click Help in the menu bar or press F1.

3.1.8 SCREEN TYPES

The following types of screens are displayed:

Radio-Wide - These screens program parameters that are the same for all systems and channels. Separate screens are displayed for General, Conventional, SMARTNET/SmartZone, and Portable Options parameters. Refer to Section 3.4 for more information on these screens.

November 1999
Part No. 001-7780-500	3-2