CSI CD-2 Manuale dell'operatore

CONNECT SYSTEMS INCORPORATED

1802 Eastman Ave., Suite 116

Ventura, Ca. 93003

Phone (805) 642-7184

Fax (805) 642-7271

Model CD-2, CD2-2-CAR and CD-2P

Communications Decoder

And

Application Software

User’s Instruction Manual

Revision 1.10

INTRODUCTION

Congratulations on your purchase of the CD-2 communications decoder. You will

find enclosed with your new CD-2 a DB-9S RS-232 adapter and a 6 wire modular

cord. They are especially wired for the CD-2. The CD-2 is intended for the

communications professional or hobbyist who needs the finest test equipment in

order to properly monitor systems and service land mobile equipment.

This manual contains instructions for installation and operation of the CD-2,

CD-2-CAR, and the optional CD-2P application program. At the end is a brief

trouble shooting guide. As of version 1.04 of the CD-2 processor, the CD-2-CAR

personality may be owner selected by adding/cutting a jumper on the main PC

board. This jumper is located next to JP2 but is not labeled on the silk

screen. On the schematic, it is called JP5. If JP5 is installed, the CD-2 will

behave like a CD-2-CAR.

CD-2-CAR Operation

The CD-2-CAR decodes only DTMF. It's purpose is to display ANI codes. When a

DTMF character is received, it blanks the display and displays the character

at the right side. As more characters are received within a 1-2 second timeout,

they are scrolled from right to left. As long as not more characters are

received, the display remains illuminated with the decoded digits. The display

will extinguish after 25 seconds unless JP2 is installed. If JP2 is installed

the display will remain on indefinitely until a new DTMF character is detected.

In all other respects, the CD-2-CAR is exactly like the CD-2.

INSTALLING, ADJUSTING AND OPERATING YOUR CD-2

INSTALLATION

The CD-2 must be connected to a source of clean 10-15 VDC power and to the

receiver. For best results, please use shielded wire for power and receiver

connections.

GND: Power supply return (-) lead.

+12V: Positive side of the 10-15 VDC supply. If receiver is powered

with 12 VDC, share with CD-2.

GND: Shield of cable to receiver chassis ground.

INPUT: From receiver (see AUDIO TAKEOFF POINT below)

AUDIO TAKEOFF POINT

The CD-2 can be connected to a variety of places in the receiver depending upon

what you wish to decode.

To decode CTCSS, DCS and DTMF, the CD-2 must be connected directly to the

detector output (before de-emphasis). The De-Mod output on service monitors is

suitable. In many receivers connecting to the Center Meter test point or to a

TNC Packet output port may work satisfactorily.

If you only wish to decode CTCSS and DTMF, a connection to the high side of the

volume control may work. (CTCSS may not decode at this point depending upon how

the receiver is configured).

If you only care about decoding DTMF or you have a CD-2-CAR, a connection to

the speaker leads will probably suffice (amateur receivers and scanners may

even decode CTCSS at this point).

If in doubt about where your detector output is, simply contact a technical

representative at the company who produced your radio. Alternatively, send us

a schematic diagram, and we will attempt to assist you, however bear in mind

the manufacturer of your radio knows more specific details about your radio

than we do.

ADJUSTMENTS

DTMF will not reliably decode unless the audio is properly de-emphasized. Strap

JP-1 must be left installed if you have connected directly to the detector. If

you have taken audio past the receiver's built-in de-emphasis, remove the JP-1

shorting clip.

While receiving a transmission containing a CTCSS or DCS code (preferably about

600 Hz. deviation) adjust the GAIN potentiometer P1 for 1.4 volts peak-peak

measured at TP-1 using an oscilloscope. (TP-1 is located between the large fuse

and the RS-232 jack). If an oscilloscope is not available, turn P1 fully CCW

and increase CW until LED D7 just begins to light. (D7 is adjacent to the P1

GAIN potentiometer). Be sure to make this adjustment only when a CTCSS or DCS

encoded signal is being received. Be sure a signal with CTCSS or DCS is

present, because the LED may also light on receiver noise when no signal is

present resulting in an incorrect P1 setting.

NOTE: TP-2 is not used.

If you wish to decode DCS, you must select the correct polarity. Each DCS code

has an incorrect inverse code if the polarity is inverted. Remove or install

the DCS polarity select strap JP-2 until the display indicates the correct code

while receiving a known DCS code.

OPERATION

The CD-2 is fully automatic. When a tone or code is decoded it appears in the

digital display and one of the front panel LED's illuminates to indicate which

type of tone or code is being decoded.

The displays used in the CD-2 are not capable of directly displaying the *, #,

A, B, C or D. The * and # are displayed using - and ||. A, B, C and D are

displayed using the numbers 1. 2. 3. and 4. Note that these are distinguishable

from 1 2 3 and 4 because decimals accompany the digits. The Table below shows

all the DTMF digits and how they appear on your CD-2.

1 = 1 5 = 5 9 = 9 A = 1.

2 = 2 6 = 6 0 = 0 B = 2.

3 = 3 7 = 7 * = - C = 3.

4 = 4 8 = 8 # = || D = 4.

If a DTMF code occurs, the CD-2 temporarily stops displaying CTCSS or DCS and

displays the DTMF activity. When the DTMF concludes, the CD-2 replays the

entire sequence (up to 128 digits) slowly so that you can observe ANI and

speed-dialer codes that would be otherwise too fast to comprehend. Afterward,

the CD-2 resumes decoding CTCSS or DCS automatically.

ABOUT the RS-232 SERIAL PORT

IBM Compatible Personal Computers use either DB-9 or DB-25 serial COM ports.

The DB-9 is more commonly used in recent years, therefore we have provided a

DB-9 to RJ-11 adapter along with a seven foot, six wire phone cord. If your

computer uses a DB-25 connector, you must obtain a DB-9 male to DB-25 female

adapter from your favorite computer store.

NOTE: Only a six wire phone cord with locking tabs on same side of cord may be

used. A six wire cord is supplied.

The RJ-11 to DB-9 adapter is wired as follows (with the locking tab up and the

modular phone jack facing you, pin 1 is on the right. This wiring is for a

"standard" 6 wire phone cable with the locking tab on the same side on both

ends. (This reverses pins 1-6 through the cable). If you wish to wire a DB-25,

then it is shown here also:

RJ-11 DB-9S DB-25S

pin pin pin Description

1to85CTS

2 to 3 2 TX Data

3to51Gnd

4 to n/c 7 Gnd

5 to 2 3 RX Data

6to74RTS

4 6 DTR --|

6 20 DSR --|(Must be shorted)

In addition, DB-9S pins 4 and 6 are shorted. (DTR to DSR). The equivalent pins

are 6 and 20 on the DB-25S. Although you see a lot of RJ-11 to DB-9/25

adapters, there is no standard for their connection. The adapters are available

commonly in many electronic stores. If you are connecting to a modem, you will

need a null modem adapter to reverse pins 2 and 3 of DB-9S or to reverse pins

7 and 8 of the DB-9S.

CD-2P APPLICATION PROGRAM

INSTALLATION

If you purchased the CD-2P Program, you received a single 3.5 inch PC DOS

compatible disk containing the CD2P.EXE application and an install program.

The easiest way to install is as follows: (The symbol <CR> refers to the

keyboard "ENTER" key.)

1) Place the new disk into your 3.5 inch drive.

2) Make this drive the current drive. If it is drive A:, type A:<CR>. If

it is drive B: type B:<CR>.

3) Type install<CR>

Install will ask you on which hard drive you wish to install the program and

in which directory. It will modify autoexec.bat on drive C: if required. This

will allow you to run CD2P in any directory on your PC.

4) When installation is complete, remove the disk from your PC and reboot.

Reboot either by pressing CTRL+ALT+DEL or by pressing RESET or by

cycling power to the computer. (If it is not convenient to reboot now,

then you will need to run CD2P in the installation directory until you

do reboot.)

5) Attach the CD-2 to either COM1 or COM2 serial port on this PC. See the

instructions above about making the connections to the DB-9 or adapting

to a DB-25 on your PC.

INTRODUCTION to the CD-2P APPLICATION

After installation of the CD-2P application on your computer, installation of

the CD-2 on your receiver or service monitor, and after connecting the CD-2

serial cable to the PC, you are ready to explore the power of the CD-2P

application. This is a summary of the features and screens available to you

with this program.

Main (Run) screen (F1 or R)

Displays a scrolling log of all received data from the CD-2 and a

continuous log of the 22 most recently decoded

Initialization Screen (F4 or I)

Allows setup of the COM port and selection of the codes to be monitored.

Tone Detection (Used Tone) Screen (F8 or U)

Displays the complete list of 163 CTCSS/DCS codes and indicates whether

codes that were detected during the monitoring time.

Time of Day Screen (F2 or D)

Displays accumulated code duration's and sum of all usage as a percentage

of available time each hour of the day.

Hit Screen (F3 or H)

Displays Hits per code (A Hit is a detected code lasting 2 seconds or

longer).

Total Time Screen (F7 or T)

Displays the total accumulated time for each code enabled by the

initialization screen.

Observe Programming Screen (F5 or O)

Displays programming data in readable English for CSI TP-154 and/or TP-

154PLUS repeater tone panels when any such data has been received during

connection of the CD-2P program.

Help Screens (F1 or ?)

These are context sensitive help which shows details about the options

available to you at any given stage.

RUNNING THE CD-2P APPLICATION

To run the program type CD2P at the command prompt. There are two switches

available, but normally they will not be used.

1. /S[IM] Runs CD2P in a simulate mode. This reads a file named CD2P.SIM

in your local directory (if it exists) and updates the display with a

new line every 1 second. This can be used to demonstrate the capability

of the program.

2. /U[PDATE] Reads the file CD2P.LOG which contains information from

previous sessions into the program. This allows data to be combined

with current data to observe the information previously collected.

For example, to use the update option, type CD2P/UPDATE or CD2P/U at the

command line prompt.

When the program starts, you will first see the Connect Systems, Inc. welcome

and copyright notice. After pressing any key, you will see the Main Run Screen

with just the headings and the "F1 or ? for help" prompt. Figure 1 shows the

Main Run Screen.

As valid data is received, it is added to the CD-2 Log at the left of the

screen. (Data is filtered by the program so that invalid data is not recorded.)

If a line is too long to display on the half screen available, then the line is

"wrapped" with a back slash "\" at the end of the line. (This back slash will

not be in the data received from the CD-2.)

At the same time the accumulation table on the right is updated every second.

This table is sorted in order of CSI user number, which has CTCSS codes first

and DCS codes last. If more than 22 codes have been recorded then only the most

recently recorded 22 are shown on the screen.

The Total column shows the total time in HR:MIN:SEC format. This is the total

time which was accumulated under that code during the time the program was

running plus the accumulated time from the CD2P.ACC file, if it was previously

saved. In addition, the time from the log (CD2P.LOG) if /UPDATE was used is

included.

The Hits column shows the total number of hits or conversations recorded. A hit

is any continuous activity with gaps of no more than 2 seconds.

The Dials column counts the number of DTMF dialing lines which were recorded

from the CD-2.

The Since column shows the number of HRS:MIN:SEC since the last recorded time

for that code. If the time exceeds 999 hours, the time field is replaced with

a days display.

MAIN (RUN) SCREEN

This is an example of the main screen.

CD-2 Log Tone Total Hits Dials Since

67.0 (001) C 21 67.0 0:21 1 0 0:00:06

466 (129) C 6 110.9 0:17 1 0 0:00:01

462 (126) T 23398749879873987493218794\ 074 0:10 1 0 0:00:00

3879873498732987498798732947923874979980\ 462 0:23 1 0 0:00:02

098423098 466 0:06 1 0 0:00:05

462 (126) C 23

110.9 (016) C 17

074 (066) C 10

F1:?, F2:D, F3:H, F4:I, F5:O, F6:R, F7:T, F8:U,

Figure 1. Example of the RUN screen of the CD2P program.

Access to any other screen is obtained by pressing a keyboard key corresponding

to the screen desired. The letter for the desired screen is indicated above in

the list of screens in parentheses. The list is also available by pressing the

F1 function key or the ? key at any time.

INITIALIZATION SCREEN

To see the Initialization screen, press the letter I. Figure 2 is an example of

the initialization screen.

CD-2 Setup Setup

PORT COM1 PRINTER PRN

67.0 * 141.3 * 225.7 * 114 * 243 * 356 * 523 * 63.0 *

69.4 * 146.2 * 229.1 * 115 * 244 * 364 * 526 * 006 *

71.9 * 151.4 * 233.6 * 116 * 245 * 365 * 532 * 007 *

74.4 * 156.7 * 241.8 * 122 * 246 * 371 * 546 * 015 *

77.0 * 159.8 * 250.3 * 125 * 251 * 411 * 565 * 017 *

79.7 * 162.2 * 254.1 * 131 * 252 * 412 * 606 * 021 *

82.5 * 165.5 * 023 * 132 * 255 * 413 * 612 * 050 *

85.4 * 167.9 * 025 * 134 * 261 * 423 * 624 * 141 *

88.5 * 171.3 * 026 * 143 * 263 * 431 * 627 * 214 *

91.5 * 173.8 * 031 * 145 * 265 * 432 * 631 *

94.8 * 177.3 * 032 * 152 * 266 * 445 * 632 *

97.4 * 179.9 * 036 * 155 * 271 * 446 * 654 *

100.0 * 183.5 * 043 * 156 * 274 * 452 * 662 *

103.5 * 186.2 * 047 * 162 * 306 * 454 * 664 *

107.2 * 189.9 * 051 * 165 * 311 * 455 * 703 *

110.9 * 192.8 * 053 * 172 * 315 * 462 * 712 *

114.8 * 196.6 * 054 * 174 * 325 * 464 * 723 *

118.8 * 199.5 * 065 * 205 * 331 * 465 * 731 *

123.0 * 203.5 * 071 * 212 * 332 * 466 * 732 *

127.3 * 206.5 * 072 * 223 * 343 * 503 * 734 *

131.8 * 210.7 * 073 * 225 * 346 * 506 * 743 *

136.5 * 218.1 * 074 * 226 * 351 * 516 * 754 *

F1:?, F2:D, F3:H, F4:I, F5:O, F6:R, F7:T, F8:U, ^P, S, Arrows, *, -, (sp)

Figure 2. Initialization screen

In the initialization screen, you may change the COM port, change the printer,

add codes to monitor, or delete codes to monitor.

To change the COM port, move the cursor (with the arrow keys) to the PORT line.

By pressing the space bar, you may toggle the COM port from 1 to 2 and back.

Pressing the letter S will save any settings from this screen to a file named

CD2P.INI.

The enabled codes are followed by an asterisk (*). The disabled codes are

followed by a minus (-).

To change the selection of a code, move the cursor to the * or - next to the

code to change. For example, you wish to disable 74.4, place the cursor under

the * following 74.4 and press the space bar. The * will change to a -. To

disable display of all codes, press the '-' key (usually to the right of the

zero key). All codes will change to disabled. To enable all codes press the

asterisk key (usually shift 8). The easiest way to enable a limited number of

codes is to press the - key then use the cursor to move to the codes you wish

to enable and use the space bar to enable the selected code(s).

The codes selected or deselected remain in effect for the session in which they

were changed unless you save them. Save with the S key while in the

Initialization screen.

TONE DETECTION (USED TONE) SCREEN

Access the Used Tone Screen with the U key. Figure 3 shows the appearance of

the Used Tone Screen.

Tone List, * = Detected, - = Not Detected

67.0 * 141.3 * 225.7 * 114 - 243 * 356 - 523 - 63.0 *

69.4 - 146.2 - 229.1 * 115 * 244 * 364 * 526 * 006 *

71.9 - 151.4 * 233.6 * 116 - 245 - 365 - 532 * 007 *

74.4 * 156.7 * 241.8 - 122 - 246 * 371 - 546 - 015 *

77.0 * 159.8 - 250.3 - 125 - 251 * 411 - 565 * 021 *

79.7 * 162.2 * 254.1 * 131 * 252 * 412 - 606 - 017 *

82.5 - 165.5 * 023 * 132 * 255 - 413 - 612 - 050 *

85.4 * 167.9 * 025 * 134 * 261 * 423 - 624 - 141 *

88.5 - 171.3 - 026 * 143 * 263 - 431 * 627 - 214 *

91.5 - 173.8 - 031 - 145 - 265 - 432 * 631 -

94.8 - 177.3 - 032 * 152 - 266 - 445 - 632 *

97.4 - 179.9 - 036 - 155 - 271 * 446 * 654 *

100.0 - 183.5 - 043 * 156 - 274 - 452 * 662 *

103.5 * 186.2 * 047 - 162 * 306 * 454 * 664 *

107.2 - 189.9 - 051 - 165 * 311 - 455 - 703 *

110.9 * 192.8 * 053 * 172 * 315 - 462 * 712 -

114.8 * 196.6 - 054 * 174 - 325 - 464 - 723 *

118.8 - 199.5 * 065 * 205 * 331 - 465 - 731 *

123.0 * 203.5 * 071 - 212 * 332 * 466 * 732 *

127.3 - 206.5 * 072 - 223 * 343 - 503 * 734 *

131.8 - 210.7 * 073 - 225 - 346 - 506 - 743 *

136.5 * 218.1 - 074 * 226 * 351 - 516 * 754 *

F1:?, F2:D, F3:H, F4:I, F5:O, F6:R, F7:T, F8:U, ^P

Figure 3. Tone Detection (Used Tone) Screen

The Tone Detection Screen simply shows a list of all 163 CTCSS/DCS codes. To

the right of each code is an asterisk or a minus sign. The asterisk (*)

indicates at least one hit on that tone or code. A minus sign indicates no hits

on that tone or code.

TIME OF DAY SCREEN

The Time of Day Screen depicts the utilization vs. time of day. This allows you

to see where the peak utilization's are for each of the enabled codes. Figure 4

shows an example of the Time of Day Screen.

Time of Day Statistics, Seconds each Hour, 200 Seconds per *

4000

3000

2000 *

* *

* * *

1000 * * *

* * * * * * *

* * * * * * * * *

* * * * * * * * * *

0 * * * * * * * * * *

Hour 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

67.0

F1:?, F2:D, F3:H, F4:I, F5:O, F6:R, F7:T, F8:U, ^P,-,_, ->, <-, A or S

Figure 4. Time of Day Screen

While reading the Time of Day Screen, you may review any code by using the left

and right arrow keys to select a code to view. In addition, use of the A or S

key will toggle to a display of the total utilization for all codes combined.

Note that the total utilization may exceed one hour because of accumulation of

data over many days. You need to take into account the number of days of

monitoring to determine accurately the percentage utilization.

You may also see the time used as a fraction of one hour by pressing the % key.

The percent key is a toggle, so you may return to the time display by pressing

the % key again.

Using the UP and DOWN arrow keys, you may adjust the vertical scale factor to

have better ability to see detail in times of lower utilization.

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