GDI 2070-9D Manuel utilisateur

2070-9D

2070-9A

2070-9B

2070-9E

USER’S MANUAL

33.6K SMART MODEM

June 11, 2009

PRELIMINARY

Proprietary Data

This document contains confidential, proprietary

data with all rights and titles reserved by

GDI Communications LLC. By accepting this

document, the recipient assumes custody herof

and agrees not to dislcose this data or any portion

of this data to any unauthorized person without

the prior written consent of GDI Communications

LLC. Recipient further agrees not to incorporate

these drawings, specifications or technical

information, in whole or in part, in any other

product or endeavor.

THIS LEGEND SHALL BE INCLUDED ON

ANY REPRODUCTION OF THIS DOCUMENT

GDI COMMUNICATIONS, LLC

280 I-80 West Exit 1

PO BOX 1330

Verdi, Nevada 89439

Phone: 775-345-8000

FAX: 775-345-8010

www.sgdi.com

PRELIMINARY

TABLE of CONTENTS

GLOSSARY..........................................................................................................................................................1

GERNERAL DESCRIPTION.............................................................................................................................2

GENERAL CHARACTERISTICS.....................................................................................................................3

INDICATORS, CONNECTORS, AND SWITCHES........................................................................................5

Dialup Indicators..........................................................................................................................................5

RJ45 Termination Table ...............................................................................................................................5

DB9 Termination Table ................................................................................................................................5

C20 Termination Table.................................................................................................................................5

96 pin edge connector...................................................................................................................................6

INSTALLATION .................................................................................................................................................7

Dialup Configuration Switches.....................................................................................................................7

DISTANCE OR MAXIMUM UNITS PER LINE .............................................................................................9

SYSTEMS WITH NO RTS SIGNAL................................................................................................................9

SYSTEM PROBLEMS..............................................................................ERROR!BOOKMARK NOT DEFINED.

THEORY OF OPERATION.............................................................................................................................12

DIALUP MODEM ...............................................................................................................................................12

FSK OPTION.....................................................................................................................................................13

BLOCK DIAGRAMS ............................................................................................................................................14

Dialup Block Diagram................................................................................................................................14

FSK Expansion Block Diagram..................................................................................................................15

MAINTENANCE ...............................................................................................................................................16

PREVENTATIVE MAINTENANCE........................................................................................................................16

TROUBLE ANALYSIS .........................................................................................................................................16

TROUBLE SHOOTING SEQUENCE CHART............................................................................................................16

WAVEFORMS....................................................................................................................................................17

PRELIMINARY

2070-9x User’s Manual Page 1

GLOSSARY

Anti-Streaming – A function on GDI

modems that prevents a Host from

transmitting continuously.

DCD – Data Carrier Detect. An EIA RS-

232D control signal that can be used

to gate RXD to a DTE.

DCE – Data Communications

Equipment. A device that converts

data from a DTE to a transport stream.

For example. The GDI model 400

modem is a DCE that converts RS232

data from a controller to a FSK Telco

system.

DTE – Data Terminal Equipment. A

device that initiates communication

over RS232 lines.

CTS – Clear To Send. A EIA RS-232D

control signal that can be used to gate

TXD data from a DTE.

Full duplex – A communication

system where data can be transmitted

in both directions at the same time.

Half duplex - A communication

system where data can be transmitted

in only one direction at a time.

FSK – Frequency Shift Keying.

Communication protocol where data is

encoded into binary format and

represented by different frequencies.

Host – Any DTE device.

MARK – Signal state of a FSK system

that represents a logical “1” value.

Private wire – Telco communication

hardware that is leased for private

use.

SPACE – Signal state of a FSK system

that represents a logical “0” value

0 dBm – Represents the signal level

required to produce 1mw in a 600Ω

load.

Soft carrier

Surface mount parts – Electronic parts

that are designed to be soldered to

pads instead of vias.

RXD – Receive Data. An EIA RS-232D

data signal that transfers information

in form of binary data to a DTE.

RTS – Request To send. An EIA RS-

232D control signal that can be used

to gate TXD to a DTE. The DTE

asserts RTS and then waits for the

DCE to respond with CTS.

TXD Transmit Data. n EIA RS-232D

data signal that transfers information

in form of binary data from a DTE.

PRELIMINARY

2070-9x User’s Manual Page 2

GERNERAL DESCRIPTION

The 2070-9xx is a 33.6Kbps dial-up

modem in a form factor designed for

use in a Model 2070 Controller.

It is compatible with other V.34

modems and is designed for traffic

control environments.

Located on the front panel of the 2070-

9xx is a RS-232 port that can connect

the dialup modem to a computer

through a female DB9 connector. This

port can also be connected to the

2070’s I/O bus.

The phone line connects to the 2070-

9xx through a standard RJ-11

connector located on the front panel.

A second RJ-11 connector is provided

for connection to a telephone.

The 2070-9xx can automatically

negotiate line rates from 300bps to

33600 bps.

All operating parameters such as

speed, etc., can be configured using

industry standard AT commands.

The serial port has a maximum speed

of 115.2 Kbps and is RS-232 and V.24

compatible.

The 2070-9xx cannot be used with

leased lines.

The SM336 also features Auto Answer,

Auto Dial, and tone or pulse dialing.

The 2070-9xx can be factory fitted with

a FSK Expansion Card. which is a FSK

Private wire Modem.. FSK stands for

Frequency Shift Keying which is a

modulation scheme that Shifts

(changes) the frequency to represent a

digital “1” (SPACE) or an “O” (Mark).

The FSK option can be configured for

the following baud rates:

2070-9A: 1200bps serial,

1200Hz/2200Hz Mark/Space

Frequencies, and 900Hz Soft Carrier

frequency

2070-9B: 9600bps serial,

11200Hz/17600Hz Mark/Space

Frequencies and 7800Hz Soft Carrier

frequency.

2070-9E: 19200bps serial,

19200Hz/38400Hz Mark/Space

Frequencies and 13800 Soft Carrier

Frequency.

PRELIMINARY

2070-9x User’s Manual Page 3

GENERAL CHARACTERISTICS

FORM FACTOR

Standard 2070 plug in board size:

8.375” x 5.69” x 1.592”

Temp………..-37 to +74 degrees C.

Humidity…….5 to 95 % non-

condensing.

Power …….….5 V @ 500ma

+12V @ 100 ma

-12V @ 100ma

DIALUP:

Modulation……..Quadrature Amp.

Mod.

Modem…ITU V.34 and Rockwell V.FC

Interface…ITU V.24/V.28, EIA-232

Data Throughput…..115.2 Kbps

Data Rates:

33.6Kbps, 31.3Kbps, 28.8Kbps,

26.4Kbps, 24.0Kbps, 21.6Kbps,

19.2Kbps, 16.8Kbps, 14.4Kbps,

12.0Kbps, 9.6Kbps, 7.2Kbps, 4.8Kbps,

2.4Kbps, 1.2K baud, 300 baud.

The modem will automatically select

the best operating speed. Speeds are

±0.01%.

Specifications: V.34, V.32 bis, V.32,

V.22

bis, V.22A/B, V.23, V.21,

Bell 212, Bell 103, V.33,

V.17, V.29, V.27, V.21

Channel 2

Error Correction….V.42 LAPM, MNP2-

MNP10

Data Compression…V.42 bis, MNP 5

Loop Tests….. ITU V.54 loop2

(RDL) and

Loop 3 (LAL)

Data Carrier…….1800 ±0.5 Hz

Calling Tone……1300 ±10 Hz

Answering Tone…2100 ±15 Hz

Receiver Freq. Tolerance…….±14 Hz

S/N Ratio…………..-26 dB

Dynamic Range……-12 dBm to –42

dBm

Transmit Level: Fixed at –11 ±2 dB

Ring detect Sensitivity…. 38 VRMS

Ring Equiv. Number….…1 Bel

Termination………600 Ohm

Return Loss… Better than 14 dB

between

200 and 4000 Hz

PRELIMINARY

2070-9x User’s Manual Page 4

FSK:

Serial Data Rate……..0-19,200 baud.

Meets EIA RS-232D and CCITT V.24

electrically

CTS Delay .......................12 ±2 ms

Soft Carrier Turnoff Time10 ±2ms

Receive Squelch ............6.5 ±1ms

Carrier Detect Time........8 ±2ms

Data Format…Asynchronous, serial by

bit

Line interface…..Private Metallic wire

600 Ohm

Modulation…….Phase Coherent FSK.

Modulation Frequencies:

Mark and Space Frequencies have a

±1% tolerance.

Frequency 2070-9A 2070-9B 2070-9E

Mark 1200Hz 11200 Hz 19200 Hz

Space 2200 Hz 17600 Hz 38400 Hz

Soft Carrier 900 Hz 7800 Hz 13800 Hz

4 wire Full Duplex and 2 wire Half

Duplex

Receive Sensitivity….0 to -40 dB.

Output Level……Continuously

adjustable from -8dBm to 0 dBm. (set

to 0dBm)

Anti-streaming

RTS Trigger mode time-out 7s.

Loss of Data mode time out 7s.

PRELIMINARY

2070-9x User’s Manual Page 5

INDICATORS, CONNECTORS, AND

SWITCHES

Dialup Indicators:

Transmit Data TX

Receive Data RX

Data Terminal Ready DTR

Data Carrier Detect DCD

Data Set Ready DSR

Ring Indicator RI

Dialup Connectors:

Phone Connector RJ11

Line Connector RJ11

RJ45 Termination Table

Pin Signal

1 NC

2 TIP

3 RING

4 NC

Configuration Port DB9

DB9 Termination Table

Pin Signal

7 RTS

4 DTR

8 CTS

6 DSR

3 TXD

1 DCD

9 RI

2 RXD

FSK:

Receive Data……….…RXD

Data Carrier Detect…...DCD

Transmit Data…………TXD

FSK on board Indicators

Request to Send……….RTS

Clear to Send………….CTS

FSK Enable/Disable switch

FSK Full Duplex/Half Duplex switch.

FSK / EIA 232C Connector (C20)

C20 Termination Table

C20

Pin Function Pin Function

A Audio In J RTS

B Audio In K Data In

(TXD)

C Audio

Out

L Data Out

(RXD)

D +5 VDC M CTS

E Audio

Out

N DC Gnd #1

F NA P NA

H CD R NA

Board Power On/Off switch.

PRELIMINARY

2070-9x User’s Manual Page 6

96 pin edge connector

Pin A B C

1 SP1-TXD+

2 SP1-TXD-

3 SP1-RXD+

4 SP1-RXD-

5 SP1-RTS+

6 SP1-RTS-

7 SP1-CTS+

8 SP1-CTS-

9 SP1-DCD+

10 SP1-DCD-

11 SP2-TXD+

12 SP2-TXD-

13 SP2-RXD+

14 SP2-RXD-

15 SP2-RTS+

16 SP2-RTS-

17 SP2-CTS+

18 SP2-CTS-

19 SP2-DCD+

20 SP2-DCD-

21 DC Gnd C50 EN

23 DC Gnd

27 DC Gnd #1 DC Gnd DC Gnd

28 +12 Serial

29 +5VSerial +5VSerial

30 DC Gnd #1 DC Gnd DC Gnd

PRELIMINARY

2070-9x User’s Manual Page 7

INSTALLATION

Installation of the 2070-9 is relatively

simple. It can be installed with the

power on provided that the power

switch on the front panel is in the

“OFF’ position.

The 2070-9xx receives power from the

Model 2070 Controller, and the

Controller

The incoming phone line is to be

connected to the RJ-11 “LINE”

connector . An external phone can be

connected to the RJ-11 labeled

“PHONE.”

Note: As the RJ11 connectors are

connected in parallel, remember not to

use the phone while the modem is in

operation.

Configuring the 2070-9xx is achieved

through a series of switches on the

front panel and on the board itself.

The configuration switches for the

dialup modem are located on the top

of the main board closer to the front

panel. Refer to the following table

when configuring the modem:

Dialup Configuration Switches

Switch Closed Open

1-DB9 SP2 Dial Up

2-DM9 mode DCE DTE

3-RTS mode High Normal

4-RS-485 Normal Inverted

5-Future

Expansion

Switch 1: Default = Open.

Open - When switch 1 is open the

dialup modem can be configured via

the front panel DB9 connector.

Closed When switch 1 is closed, the

DB9 is connected to the controllers

SP1 port.

Switch 2: Default = Closed.

Open-When switch 2 is open, the

directionality of the port is DTE.

Closed-When switch 2 is closed, the

directionality of the port is DCE.

Switch 3: Default = Open.

Open-RTS/CTS handshaking is active.

Closed-RTS/CTS handshaking is not

active and RTS is asserted constantly.

Switch 4: Default = Open

Open-The RS-485 signals are inverted.

Closed-The RS-458 signals are not

inverted.

PRELIMINARY

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