Patton electronics 1002S Manual de usuario

USER

MANUAL

MODEL 1002

and 1002S

Asynchronous

2-Wire / Coax

Short Range Modem

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

http://www.patton.com

Part #07M1002-C

Doc. #050011UC

Revised 4/28/98

An ISO-9001

Certified Company

1.0 WARRANTY INFORMATION

Patton Electronicswarrants all Model 1002 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 shallPatton Electronicsbe 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 Electronicsspecifically 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 1002 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 1002 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 1002

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 1002. Technical Service hours: 8AM to 5PM EST, Monday

through Friday.

2.0 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.

2.1 FEATURES

•Full duplex operation on coax or a single twisted pair

•Data rates to 19,200 bps

• Range to 2 miles (3.2 km)

• No AC power or batteries required

• Twisted pair connection via strain relief, RJ-11 or RJ-45

• Surge protected (Model 1000S only)

• Coax connection via female BNC (optional)

• External DCE/DTE switch

• Made in the USA

2.2 DESCRIPTION

The Model 1002 Asynchronous Short Range Modemextends

RS-232 distances to 2 miles (3.2 km) over coax or a single

unconditioned twisted pair. The small size of this unit enables use

where serial ports are very close together or are not easily accessible.

The Model 1002 incorporates innovative circuitry that lets it operate

without connection to AC power or batteries. The necessary power for

operation is derived from the RS-232 input signals.

An external DCE/DTE switch allows easy connection of the Model

1002 to any device without opening the unit to re-configure. Three

enclosure options allow termination of a single twisted pair via RJ-11,

RJ-45 or terminal blocks. A unique strain relief prevents the twisted

pair from breaking or pulling loose. An additional enclosure option

allows termination of coax cable via female BNC.

The Model 1002S 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 1002S is

compliant with IEC 801.5 level 2, 1kV.

3.0 INSTALLATION

The Patton Model 1002 is easy to install and should give you

years of trouble-free service. You must have a PAIR of units to perform

an installation—one at each end of an unconditioned twisted pair or

coax cable. The following instructions explain this procedure.

3.1 SETTING THE DTE/DCE SWITCH

For your convenience, the Model 1002 has an externally

accessible DCE/DTE switch (see diagram below). If the device

connected to the Model 1002 is a modem or multiplexer (or is wired like

one), set the DCE/DTE switch to “DTE”. This means the Model 1002

will behave like Data Terminal Equipment and transmit data on pin 2.

If the device connected to the Model 1002 is a PC, terminal or host

computer (or is wired like one), set the DCE/DTE switch to "DCE". This

setting means the Model 1002 will behave like Data Communications

Equipment and transmit data on pin 3.

3.2 CONNECTING THE LINE SIDE

Depending upon the type of unit, the Model 1002 connects to the

line side via single twisted pair (terminal block, RJ-11, RJ-45) or coax

(BNC). Follow the appropriate instruction set for the type of unit you

have.

3.2.1 Connection Using the Terminal Block

Terminal blocks are used to connect a single pair of bare wires to

the Model 1002. The following instructions will tell you how to open the

case, connect the bare wires and fasten the strain relief collar in place.

DCE DTE

1. Open the unit by gently inserting a screwdriver between the

DB-25 connector and the lip of the plastic case (see below).

You don't have to worry about breaking the plastic, but be

careful not to bend the D-sub connector.

Having opened the unit's case, you will find the terminal block

mounted at the rear of the PC board (see below). The

terminals are labled “S” for “signal” and “G” for “ground“.

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

from the end.

3. Strip back the insulation on each of the 2 wires about .25”.

4. Insert the two wire data line to the center (signal) and shield

(ground) terminal posts, then tighten the screws. Depending

on version, terminal post locations may vary.

NOTE: Be sure that all cabling between the short range

modems is straight through:

SIGNAL (S) (S) SIGNAL

GROUND (G) (G) GROUND

DCE/DTE

Switch

Surge

Suppressors

(1002S only)

Terminal

Block

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

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

assembly until it is 2 inches from the terminal posts and press

together firmly.

5. Insert the strain relief assembly and connected wire into the

slot in the bottom half of the modem case; set it into the recess

in the case. (If the telephone wire does not fit into the strain

relief assembly, call Patton’s sales department to obtain a new

assembly).

6. BEND the top half of the case 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 entire piece through the hole in the DB-25 end of the

case. Snap that side of the case closed. Repeat on other

side. This completes installation.

3.2.2 Connection Using RJ-11 and RJ-45 Jacks

When using the RJ-11 or RJ-45 modular jacks it is necessary to use

“straight through” cabling between the modems as shown below:

RJ-11 JACKS

SIGNAL PIN# COLOR †COLOR PIN# SIGNAL

DATA3Green Green 3DATA

GND 4Red Red 4GND

RJ-45 JACKS

SIGNAL PIN# COLOR †COLOR PIN# SIGNAL

DATA4Red Red 4DATA

GND 5Green Green 5GND

†Standard color codes—yours may be different

AT &T standard color codes:

7 8

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

3.2.3 Connection Using Coax (BNC)

If you have the coax version of the Model 1002, simply connect the

BNC mating connectors to both modems.

APPENDIX A

PATTON MODEL 1002 SPECIFICATIONS

Transmission Format:Asynchronous

Transmit Line:2 wire unconditioned twisted pair

or coaxial cable

Transmit Mode:Full or half duplex

Transmit Level: 0 dBm

Control Signals:DSR and DCD turn “ON” immediately after

the terminal raises DTR; CTS turns “ON”

immediately after the terminal raises RTS

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

(Model 1002S Only)

Data Rate: 0 to 19.2 Kbps

Range: 2.0 miles @ 0 to 9600 bps

5.0 miles @ 19,200 bps

Power: No external power 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

9 10

APPENDIX B

PATTON MODEL 1002 CABLE RECOMMENDATIONS

The Patton Model 1002 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 1002, please keep the

following guidelines in mind:

• Alwaysuse twisted parwire—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

AWGnumbers 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 guidelin only.

APPENDIX C

PATTON MODEL 1002 INTERFACE CONNECTIONS

11 12

1- (FG) Frame Ground

2- (TD) Transmit Data To Model 1002

3- (RD) Receive Data From Model 1002

4- (RTS) Request to Send To Model 1002

5- (CTS) Clear to Send From Model 1002

6- (DSR) Data Set Ready From Model 1002

7- (SG) Signal Ground

8- (DCD) Data Carrier Detect From Model 1002

To Model 1002 Data Term. Ready (DTR) - 20

DIRECTION STANDARD “DCE” SETTING DIRECTION

1- (FG) Frame Ground

2- (TD) Transmit Data From Model 1002

3- (RD) Receive Data To Model 1002

4- (RTS) Request to Send From Model 1002

5- (CTS) Clear to Send To Model 1002

6- (DSR) Data Set Ready To Model 1002

7- (SG) Signal Ground

8- (DCD) Data Carrier Detect To Model 1002

From Model 1002Data Term. Ready (DTR) - 20

DIRECTION STANDARD “DTE” SETTING DIRECTION

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 1002 Distance Table in Miles (km)

Wire Gauge

APPENDIX D

PATTON MODEL 1002

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