Patton electronics 1010B Manual de usuario

USER

MANUAL

MODEL 1010B

Miniature, High Speed

Short Range Modem with

Transformer Isolation

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

http://www.patton.com

Part# 07M1010B-C

Doc# 039041UC

Revised 03/13/00

CERTIFIED

An ISO-9001

Certified Company

1.0 WARRANTY INFORMATION

Patton Electronics warrants all Model 1010B 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 1010B 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 1010B 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

1010B 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 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 Services at:

telephone: (301) 975-1007

email: [email protected]

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

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

Patton Model 1010B. 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 arise during

installation or use of the unit, contact Patton Electronics Technical

Support (301) 975-1000.

2.1 FEATURES

• Transformer coupled for DC isolation between modems

• Immune to ground loops caused by ground potential differences

• Distances to 9.5 miles over 2 twisted pair (19 AWG @ 1200 bps)

• Supports data rates from 300 bps to 115.2 kbps

• Loops back all handshaking signals on the RS-232 interface

• Externally accessible DCE/DTE switch makes configuration easy

• Very thin case (.75") for closely spaced computer ports

• No AC power or batteries required—draws all necessary operating

power from the RS-232 interface

• Provides surge protection of 600 Watts per wire

2.2 DESCRIPTION

The Patton Model 1010B miniature, high speed, transformer

isolated short range modem lets two asynchronous RS-232 devices

communicate between buildings, over two twisted pair. Supporting

asynchronous data rates to 115.2 kbps, the Model 1010B derives the

necessary power for operation from the data and control voltages on

the RS-232 interface. DC transformer isolation on the line side gives

the Model 1010B immunity to ground loops that would otherwise

hamper between-building communications.

An external DCE/DTE switch lets you connect to the serial port of

either a computer/terminal (DTE) or a modem (DCE) without using a

crossover cable. The Model 1010B is available with three 4 wire

interface options: RJ-11, RJ-45 or terminal blocks with strain relief.

3.0 CONFIGURATION

The Model 1010B also incorporates high speed avalanche diodes

that intercept data line transient surges and shunt them safely to

chassis ground. With surge handling capacity of 600W per wire at

1mS, the 1010B can protect itself and connected equipment from

nearby lightning strikes and other surges of electromagnetic radiation.

The Model 1010B is configured using an external DCE/DTE switch

and two internal jumpers (the factory jumper settings are appropriate for

most applications). This section describes the configuration switch and

jumpers and shows factory defaults. Figure 1 below shows the location

of the switch/jumpers on the Model 1010B’s internal PC board.

3.1 SETTING THE DTE/DCE SWITCH

For your convenience, the Model 1010B has an externally

accessible DCE/DTE switch (see Figure 2, below). If the device

connected to the Model 1010B is a modem or multiplexer (or is wired

like one), set the switch to "DTE." This setting causes the Model 1010B

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

If the device connected to the Model 1010B is a PC, terminal or

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

setting causes the Model 1010B to behave like Data Communications

Equipment and transmit data on pin 3.

DCE/DTE

Switch

Jumper JP3

Terminal

Block

Jumper JP2

Figure 1. PC Board Showing Location of Jumpers and DTESwitch.

Figure 2. Model 1010B Close-up View of External DCE/DTE Switch

3 2 1

4.0 INSTALLATION

Once you have properly configured the DTE/DCE switch, you are

ready to connect the Model 1010B to your system. This section tells

you how to properly connect the Model 1010B to the twisted pair and

RS-232 interfaces, and how to operate the Model 1010B.

4.1 CONNECTION TO THE TWISTED PAIR INTERFACE

The Model 1010B supports data-only communication between two

RS-232 devices at distances to 8.5 miles and data rates to 115.2 kbps.

There are two essential requirements for installing the Model 1010B:

1. These units work in pairs. Therefore, you must have one

Model 1010B at each end of a two twisted pair interface.

2. To function properly, the Model 1010B needs two twisted pairs

of metallic wire. These pairs must be unconditioned, dry

metallic wire, between 19 and 26 AWG (the higher number

gauges may limit distance somewhat). Standard dial-up

telephone circuits, or leased circuits that run through signal

equalization equipment, are not acceptable.

For your convenience, the Model 1010B is available with three

different twisted pair interfaces: RJ-11 jack, RJ-45 jack and terminal

blocks with strain relief.

4.1.1 TWISTED PAIR CONNECTION USING RJ-11 OR RJ-45

The RJ-11 and RJ-45 connectors on the Model 1010B's twisted pair

interface are pre-wired for a standard TELCO wiring environment. The

signal/pin relationships are shown below.

RJ-11 SIGNAL RJ-45 SIGNAL

1...................GND* 1 .................N/C

2...................RCV- 2 .................GND*

3...................XMT+ 3 .................RCV-

4...................XMT- 4 .................XMT+

5...................RCV+ 5 .................XMT-

6...................GND 6 .................RCV+

7 .................GND

8 .................N/C

3.2 “NORMAL” vs. “MODEL 1010 COMPATIBLE” OPERATION

The table below shows jumper settings, including factory defaults.

Important: When using the Patton Model 1010B with an older

Patton Model 1010, you must set the jumpers for Model 1010

compatible operation.

Jumper JP2

Jumper JP2 is set in conjunction with jumper JP3 to place the

Model 1010B in either “Normal” or “Model 1010 compatible” operating

mode. For the Normal (factory default) setting, jumper JP2 should be

placed on only one of the two pins. This is defined as “jumper OFF.”

For the 1010 compatible setting, jumper JP2 should be placed on both

of the pins. This is defined as “jumper ON.”

Jumper JP3

Jumper JP3 is set in conjunction with jumper JP2 to place the

Model 1010B in either Normal or Model 1010 compatible operating

mode. For the Normal (factory default) setting, jumper JP3 should be

placed on pins 2 and 3 (see Figure 3, below). For the Model 1010

compatible setting, jumper JP3 should be placed on pins 1 and 2.

“Jumper OFF” is not a valid option.

Figure 3. Jumper JP3 Orientation Showing the Two Valid Settings.

123 123 123

JUMPER SUMMARY TABLE #1

Jumper Function “Normal” “1010 Compatible”

JP2 Mode Select Jumper OFF

(default)

Jumper ON

JP3 Mode Select Position 2&3

(default)

Position 1&2

When connecting two Model 1010Bs, it is necessary to use a

"cross over" cable. The diagram below shows how a cross over cable

should be constructed for an environment where both Model 1010Bs

use a 6-wire RJ-11 connector. Similar logic should be followed when

using RJ-45 connectors or a combination of the two.

RJ-11 Cable (4-Wire)

SIGNAL PIN# PIN# SIGNAL

GND†1-----------------------6 GND†

RCV- 2-----------------------4 XMT-

XMT+ 3-----------------------5 RCV+

XMT- 4-----------------------2 RCV-

RCV+ 5-----------------------3 XMT+

GND†6-----------------------1 GND†

Connection to ground is optional.

4.1.2 TWISTED PAIR CONNECTION USING TERMINAL BLOCKS

If your application requires you to connect two pairs of bare wires

to the Model 1010B, you will need to open the case to access the

terminal blocks. The following instructions will tell you how to open the

case, connect the bare wires to the terminal blocks, and fasten the

strain relief collar in place so that the wires will not pull loose.

1. Open the unit by gently inserting a screw driver between the

DB-25 connector and the lip of the plastic case (see Figure 5,

below). You don't have to worry about breaking the plastic, but

be careful not to bend the D-sub connector.

Once the unit has been opened, you will be able to see the

terminal blocks located at the rear of the PC board.

2. Remove the insulation from the twisted pairs about one inch

from the end.

3. Remove the insulation on each of the 2 twisted pair wires

about .25".

4. Connect one pair of wires to XMT+ and XMT- (transmit

positive and negative) on the terminal block, making careful

note of which color is positive, and which color is negative.

5. Connect the other pair of wires to RCV+ and RCV- (receive

positive and negative) on the terminal block, again making

careful note of which color is positive, and which color is

negative.

Construct a two pair cross over cable that makes a connection

between the two short range modems as shown below.

6. If there is a shield around the telephone cable, it may be

connected to "G" on the terminal block. To avoid ground

loops, connect the shield at the computer end only. A ground

wire is not necessary for proper operation of the Model

1010B.

7. Refer to the diagram below to confirm that you have correctly

assembled the device.

8. 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. If your cable diameter is too small or

too large for our strain relief, please contact our technical

support. We have strain relief assemblies to accommodate

most cable diameters.

XMT + RCV+

XMT - RCV -

RCV - XMT -

RCV + XMT +

To Shield (Optional) }One Pair

}One Pair

+RCV- G -XMT+

9. Place the wires through the strain relief assembly. Then, insert

the strain relief assembly into the slot in the bottom half of the

modem case and set it into the recess in the case.

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

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

+RCV- G -XMT+

APPENDIX A

PATTON MODEL 1010B

SPECIFICATIONS

Transmission Format: Asynchronous, full duplex

Transmission Line: Two unconditioned twisted pair 19 - 26 AWG

Range: See table on page 13

Interfaces: EIA RS-232, CCITT V.24

Data Rates: 300 bps - 115.2 kbps

Isolation: Minimum 1500V RMS using custom

transformers

Surge Protection: 600W power dissipation

Dimensions: 2.66" x 2.10" x 0.73" (67.6 x 53.3 x 18.5)mm

Factory DCE/DTE DCE (transmits from RS-232 on pin 2)

Setting:

Control Signals: DSR and DCD follow DTR from the terminal

(DTE); CTS follows RTS from the terminal

(DTE)

Connectors: DB-25 male or female on RS-232 side;

RJ-11, RJ-45 or terminal block with strain

relief on line side

Power Supply: None required; uses power from EIA data

and control signals

Temperature Range: 0-50°C (32-122°F)

Altitude: 0-15,000 feet (0-5,000m)

Humidity: 5 to 95% noncondensing

Weight: 2 oz. (56.8 grams)

11. Insert one captive screw through a saddle washer, 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 cable

installation.

4.2 CONNECTION TO THE RS-232 INTERFACE

Once you have configured the Model 1010B for DTE or DCE and

connected the twisted pair wires correctly, all that remains is to plug the

1010B directly into the DB-25 port of the RS-232 device. After doing so,

remember to insert and tighten the two captive connector screws.

(Note: If you must use a cable to connect the Model 1010B to the

RS-232 device, make sure it is a

straight through

cable of the shortest

possible length—we recommend 6 feet or less).

4.3 OPERATING THE MODEL 1010B

Once the Model 1010B is properly installed, it should operate

transparently—as if it were a standard cable connection. Operating

power is derived from the RS-232 data and control signals; there is no

"ON/OFF" switch. All data signals from the RS-232 interface are

passed straight through. All control signals from the RS-232 interface

are looped back.

NOTE: If your system requires hardware flow control, you will

need the Patton Model 1012 Modem or Model 1060 Short Range

Modem. Call Patton Technical Services at: (301) 975-1007;

http://www.patton.com; or, suppor[email protected].

APPENDIX B

PATTON MODEL 1010B

RS-232C PIN CONFIGURATIONS

1- (FG) Frame Ground

2- (TD) Transmit Data

3- (RD) Receive Data

4- (RTS) Request to Send

5- (CTS) Clear to Send

6- (DSR) Data Set Ready

7- (SG) Signal Ground

8- (DCD) Data Carrier Detect

Data Term Ready (DTR) - 20

RS-232C INTERFACE (DCE)

Data

Rate

115,200 1.7 0.9 0.6

57,600 4.2 2.3 1.6

38,400 5.2 2.8 2.0

19,200 7.3 3.6 2.5

9,600 6.9 4.1 2.9

4,800 7.3 4.3 3.0

2,400 8.0 4.7 3.3

1,200 9.5 5.6 3.6

1010B Distance (miles) - Normal Mode

Wire Gauge

19 24 26

APPENDIX C

PATTON MODEL 1010B BLOCK DIAGRAM

Patton Electronics Company

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