Patton electronics 1003S Manual de usuario

USER

MANUAL

MODEL 1003

and 1003S

Asynchronous,

2-Wire, Carrier

Sense Short Range

Modem

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

http://www.patton.com

Part #07M1003-B

Doc. #050021UB

Revised 4/28/98

An ISO-9001

Certified Company

1.0 WARRANTY INFORMATION

Patton Electronics warrants all Model 1003 components to be free

from defects, and will—at our option—repair or replace the product should

it fail within one year from the first date of shipment.

This warranty is limited to defects in workmanship or materials, and

does not cover customer damage, abuse or unauthorized modification. If

this product fails or does not perform as warranted, your sole recourse

shall be repair or replacement as described above. Under no condition

shall Patton Electronics be liable for any damages incurred by the use of

this product. These damages include, but are not limited to, the following:

lost profits, lost savings and incidental or consequential damages arising

from the use of or inability to use this product. Patton Electronics

specifically disclaims all other warranties, expressed or implied, and the

installation or use of this product shall be deemed an acceptance of these

terms by the user.

1.1 RADIO AND TV INTERFERENCE

The Model 1003 generates and uses radio frequency energy, and if

not installed and used properly—that is, in strict accordance with the

manufacturer's instructions—may cause interference to radio and

television reception. The Model 1003 has been tested and found to

comply with the limits for a Class A computing device in accordance with

the specifications in Subpart J of Part 15 of FCC rules, which are designed

to provide reasonable protection from such interference in a commercial

installation. However, there is no guarantee that interference will not occur

in a particular installation. If the Model 1003 does cause interference to

radio or television reception, which can be determined by disconnecting

the RS-232 interface, the user is encouraged to try to correct the

interference by one or more of the following measures: moving the

computing equipment away from the receiver, re-orienting the receiving

antenna and/or plugging the receiving equipment into a different AC outlet

(such that the computing equipment and receiver are on different

branches).

1.2 CE NOTICE

The CE symbol on your Patton Electronics equipment indicates that it

is in compliance with the Electromagnetic Compatibility (EMC) directive

and the Low Voltage Directive (LVD) of the Union European (EU). A

Certificate of Compliance is available by contacting Patton Technical

Support.

1.3 SERVICE

All warranty and nonwarranty repairs must be returned freight

prepaid and insured to Patton Electronics. All returns must have a

Return Materials Authorization number on the outside of the shipping

container. This number may be obtained from Patton Electronics

Technical Service at

telephone: (301) 975-1007,

web address: http://www.patton.com;

email: [email protected].

NOTE: Packages received without an RMA number will not be

accepted.

Patton Electronics’ technical staff is also available to answer any

questions that might arise concerning the installation or use of your

Model 1003. Technical Service hours: 8AM to 5PM EST, Monday

through Friday.

1 2

GENERAL INFORMATION

Thank you for your purchase of this Patton Electronics product.

This product has been thoroughly inspected and tested and is

warranted for One Year parts and labor.

If any questions or problems arise during installation or use of this

product, please do not hesitate to contact Patton Electronics Technical

Support at (301)-975-1007.

FEATURES

• "Carrier Sense" automatically detects presence of received signal

on the line

• Ideal for UNIX and similar environments where host needs to

receive a carrier signal before sending a "log-on" screen to a

terminal

• Allows troubleshooting of a line: loss of carrier indicates problem at

remote connection

• Full Duplex operation over coax or a single twisted pair.

• Data rates to 19,200 bps

• Range to 1 mile.

• No AC power required: draws necessary power from RS-232

signals.

• External DCE/DTE switch

DESCRIPTION

The Model 1003 is a Carrier Sense Short Range Modem that connects

computers and terminals over a single coax or single twisted pair cable.

The Model 1003 derives necessary power for operation from the data

and control voltages on the RS-232 interface.

The Model 1003 with "carrier sense" is ideal for UNIX and other

environments in which the host requires a carrier detect signal on pin 8

before it sends a "log-on" screen to the terminal. The carrier sense

feature works like this: The Model 1003 monitors its received line.

When a signal is received from the line, pin 8 (CD) tells the host to send

a "log-on" screen to the terminal. If the received signal is lost or

interrupted, the carrier detect signal is held low to the host. The Model

1003's carrier sense feature makes it ideal for trouble shooting in non-

UNIX applications as well.

The Model 1003S is a surge protected version of the Model 1002 that

uses the latest in bi-directional, clamping, transient suppressors to

protect itself and connected equipment against harmful transient

discharges. For surge handling capability, the Model 1003S is

compliant with IEC 801.5 level 2, 1kV.

CONFIGURATION

Configuring the DTE/DCE Switch. Terminals (DTEs) want to "talk" to

modems (DCEs), not to other terminals. This is because terminals and

modems talk to each other on complementary pins. Terminals talk on

pin 2, while modems talk on pin 3. Similarly, terminals listen on pin 3,

while modems listen on pin 2.

The DTE/DCE switch on the Model 1003 determines whether the Model

1003 "thinks" it's a modem (DCE) or a terminal (DTE). If you are

connecting the Model 1003 to a terminal or PC, set the switch to DCE.

If you are connecting the Model 1003 to a modem or multiplexer, set

the switch to DTE.

INSTALLATION

General Instructions. The Model 1003 is intended for point-to-point

communication over a single coax or one-pair cable. Two Model 1003's

are needed for each communication link: one at each end of the cable.

Please be sure that the cable you use has no equalizers, conditioners,

or other equipment installed that could affect the signal passed between

the two Model 1003s--they need dry, unconditioned metallic cable.

DCE DTE

DCE/DTE

Switch

Surge

Suppressors

(1003S only)

Terminal

Block

C. Two-Wire Connection Using Coax. When using coax for two-

wire connection, the coax cable should be terminated with male

BNC connectors. Simply twist these onto the female connectors

on the Model 1003/1003S units and start computing!

D. Two-Wire Connection Terminal Blocks and Strain Relief.

Model 1003 and 1003S modems that are not equipped with coax

connectors or modular jacks allow for two-wire connection via

internal terminal blocks. An external strain relief collar--integrated

into the plastic case--holds the cable securely in place so that it

won't pull loose from the terminal block connections. Follow these

step-by-step instructions to wire up the Model 1003/1003S using

the terminal block/strain-relief assembly:

1. Open the plastic case by gently inserting a screw driver

between the DB-25 connector and the lip of the plastic case.

There is no need to worry about breaking the plastic--just be

careful not to bend the metal DB-25 connector.

A. Connecting to the RS-232 Interface. The Model 1003 and 1003S

are designed to plug directly into the DB-25 (RS-232) interface of

a terminal or modem. Connection may also be made using a short

RS-232 cable. Note: The connecting cable must have at least

pins 2,3 and 7 wired STRAIGHT THROUGH. For best results, this

cable should be as short as possible.

B. Two-Wire Connection Using RJ-11 and RJ-45 Jacks. When

using the RJ-11 or RJ-45 modular jacks for two-wire connection, it

is necessary to employ "straight through" cabling between the

modems. Pin-outs are shown below:

RJ-11 Wiring

Modem #1 Modem#2

SIGNAL PIN# COLOR* COLOR* PIN# SIGNAL

DATA 3 Green Green 3 DATA

GND 4 Red Red 4 GND

RJ-45 Wiring

Modem #1 Modem#2

SIGNAL PIN# COLOR* COLOR* PIN# SIGNAL

DATA 4 Red Red 4 DATA

GND 5 Green Green 5 GND

* Standard Color Codes - Yours may be different

AT&T Standard pins/colors

1 - Blue

2 - Yellow

3 - Green

4 - Red

5 - Black

6 - White

1 - Blue

2 - Orange

3 - Black

4 - Red

5 - Green

6 - Yellow

7 - Brown

8 - Slate

2. Strip the outer insulation from the twisted pair about one inch

from the end.

3. Strip back the insulation on each of the two wires about .25",

4. Insert into the proper terminal post and tighten the screw. Be

sure that all cabling between the short range modems is

straight through.

Signal (S) Signal (S)

Ground (G) Ground (G)

NOTE: Depending on version, terminal post locations may

vary.

5. Place the 2 halves of the strain relief assembly on either side

of the telephone wire and press together very lightly. Slide the

assembly so that it is about 2 inches from the terminal posts

and press together firmly.

6. Insert the strain relief assembly with the wire going through it

into the slot in the bottom half of the modem case and seat it

into the recess in the case. (If the telephone wire is too thin to

be held by the strain relief assembly, use tape to increase its

diameter. If the wire is too large, it may be necessary to drill

out the strain relief slightly.

6. BEND the top half of the case as necessary to place it over

the strain relief assembly. Do not snap the case together yet.

7. Insert one captive screw through a saddle washer and then

insert the captive screw with the washer on it, through the hole

in the DB-25 end of the case. Snap that side of the case

closed. Repeat the process for the other side. This completes

the installation process.

APPENDIX A

PATTON MODEL 1003 SPECIFICATIONS

Transmission Format: Asynchronous

Transmit Line: 2 wire unconditioned twisted pair

or coaxial cable

Transmit Mode: Full Duplex

Transmit Level: -0 dBm

Control Signals: In DCE mode, CTS (pin 5) follows

RTS (pin 4), DSR (pin 6) turns on when unit is powered

up, and DCD (pin 8) turns on after detecting the receive

signal from the line. In DTE mode, RTS (pin 4) follows

CTS (pin 5), and DTR (pin 20) turns on after detecting the

receive signal from the line.

Data Rate: 0-19.2Kbps

Surge Protection: Compliant with IEC 801.5 level 2, 1kV (Model

1003S Only)

Range: Up to 1 mile

Power: None Required, derives required power

from RS-232 input signals

Size: 2.20" x 1.75" x 0.75" (5.6 x 4.4 x 1.9 cm)

Temperature: 32° to 140° F

Humidity: 95% Non-condensing

APPENDIX B

PATTON MODEL 1003 CABLE RECOMMENDATIONS

The Patton Model 1003 operates at frequencies of 20kHz or less

and has been performance tested by Patton technicians using twisted-

pair cable with the following characteristics:

Wire Gauge Capacitance Resistance

19 AWG/.9mm 83nf/mi or 15.72 pf/ft. .0163 Ohms/ft.

22 AWG/.6mm 83nf/mi or 15.72 pf/ft. .0326 Ohms/ft.

24 AWG/.5mm 83nf/mi or 15.72 pf/ft. .05165 Ohms/ft.

To gain optimum performance from the Model 1003, please keep

the following guidelines in mind:

• Always use twisted pair wire—this is not an option.

• Use twisted pair wire with a capacitance of 20pf/ft or less.

• Avoid twisted pair wire thinner than 26 AWG (i.e. avoid higher

AWG numbers than 26)

• Use of twisted pair with a resistance greater than the above

specifications may cause a reduction in maximum distance

obtainable. Functionality should not be affected.

• Environmental factors too numerous to mention can affect the

maximum distances obtainable at a particular site. Use “maximum

distance” figures as a general guideline only.

910

24 AWG

(0.5 mm) 26 AWG

(0.4 mm)

19 AWG

( 0.9 mm)

19,200 2.2(3.5) 1.6(2.6) 1.2(1.9)

9,600 3.0(4.8) 2.1(3.4) 1.6(2.6)

4,800 4.3(6.4) 2.6(4.2) 1.7(2.7)

2,400 5.3(8.5) 2.8(4.5) 1.8(2.9)

1,200 5.6(9.0) 2.8(4.5) 1.8(2.9)

Data Rate

(bps)

Model 1003 Distance Table in Miles (km)

Wire Gauge

APPENDIX C

PATTON MODEL 1003 PIN ASSIGNMENTS

1- (FG) Frame Ground

2- (TD) Transmit Data To Model 1003

3- (RD) Receive Data From Model 1003

4- (RTS) Request to Send To Model 1003

5- (CTS) Clear to Send From Model 1003

6- (DSR) Data Set Ready From Model 1003

7- (SG) Signal Ground

8- (DCD) Data Carrier Detect From Model 1003

To Model 1003 Data Term. Ready (DTR) - 20

DIRECTION STANDARD "DCE" SETTING DIRECTION

1- (FG) Frame Ground

2- (TD) Transmit Data From Model 1003

3- (RD) Receive Data To Model 1003

4- (RTS) Request to Send From Model 1003

5- (CTS) Clear to Send To Model 1003

6- (DSR) Data Set Ready To Model 1003

7- (SG) Signal Ground

8- (DCD) Data Carrier Detect To Model 1003

From Model 1003 Data Term. Ready (DTR) - 20

DIRECTION STANDARD "DTE" SETTING DIRECTION

APPENDIX B

PATTON MODEL 1003 BLOCK DIAGRAM

Patton Electronics Company

11 12

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