Patton electronics SMARTNODE 1200 Manual de usuario

USER

MANUAL

MODEL 1200/1201

Synchronous

Modem Eliminator

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

P/N: 07M1200-C

Doc# 049011U,

Rev. D

Revised 1/22/08

An ISO-9001

Certiﬁed

Company

1.0 Warranty Information ................................................................. 5

1.1 Warranty Statement...................................................................... 5

1.2 Radio and TV Interference............................................................ 5

1.3 CE Notice...................................................................................... 6

1.4 Service.......................................................................................... 6

2.0 General Information.................................................................... 7

2.1 Features........................................................................................ 7

2.2 Description.................................................................................... 7

3.0 Installation................................................................................... 8

4.0 Configuration .............................................................................. 9

4.1 Data Rate...................................................................................... 9

4.2 Carrier Detect ............................................................................... 9

4.3 RTS/CTS Delay .......................................................................... 10

4.4 Ground........................................................................................ 10

5.0 Operation................................................................................... 11

5.1 LED Status Indicators (Model 1201 only) ................................... 11

A Specifications ........................................................................... 12

A.1 Data Rates .................................................................................. 12

A.2 Clocking ...................................................................................... 12

A.3 Grounding ................................................................................... 12

A.4 Range ......................................................................................... 12

A.5 Functional ................................................................................... 12

A.6 RTS/CTS Delay ........................................................................... 12

A.7 DCD ............................................................................................ 12

A.8 Ring Indicator ............................................................................. 12

A.9 Interface ...................................................................................... 12

A.10 Connectors ................................................................................. 12

A.11 Power Supply .............................................................................. 12

A.12 Altitude ........................................................................................ 12

A.13 Humidity ...................................................................................... 12

A.14 Dimensions ................................................................................. 12

B Block Diagram........................................................................... 13

1.0 WARRANTY INFORMATION

Patton Electronics warrants all Model 1200/1201 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.

1.1 WARRANTY STATEMENT

Patton Electronics warrants all Model 2701RC Series components to

be free from defects, and will—at our option—repair or replace the prod-

uct should it fail within one year from the ﬁrst date of shipment. This war-

ranty is limited to defects in workmanship or materials, and does not

cover customer damage, abuse, or unauthorized modiﬁcation. This prod-

uct contains no serviceable parts; therefore the user shall not attempt to

modify the unit in any way. 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 war-

ranties, expressed or implied, and the installation or use of this product

shall be deemed an acceptance of these terms by the user. In the event

the user detects intermittent or continuous product malfunction due to

nearby high power transmitting radio frequency equipment, the user is

strongly advised to use only data cables with an external outer shield

bonded to a metal or metalized connector.

1.2 RADIO AND TV INTERFERENCE

The Model 1200/1201 generates and uses radio frequency energy, and if

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

ufacturer’s instructions-may cause interference to radio and television

reception. The Model 1200/1201 has been tested and found to comply

with the limits for a Class A computing device in accordance with speciﬁ-

cations in Subpart B of Part 15 of FCC rules, which are designed to pro-

vide 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 1200/1201 does cause

interference to radio or television reception, which can be determined by

disconnecting the unit , the user is encouraged to try to correct the inter-

ference 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).

1.3 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 European Union (EU). A Cer-

tiﬁcate of Compliance is available by contacting Technical Support.

1.4 SERVICE

All warranty and nonwarranty repairs must be returned freight prepaid

and insured to Patton Electronics. All returns must have a Return Materi-

als Authorization number on the outside of the shipping container. This

number may be obtained from Patton Electronics Technical Services at:

• Tel: +1 (301) 975-1007

• Email: [email protected]

• URL: http://www.patton.com

Note Packages received without an RMA number will not be

accepted.

Caution

This device is not intended to be connected to the public

telephone network.

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 contact Patton Electronics

Customer Service at (301) 975-1007.

2.1 FEATURES

• Smallest synchronous modem eliminator available

• Data rates to 38.4 Kbps

• Synchronous cable runs to 300 feet on each side of device

• Constant or RTS controlled carrier selections

• RTS-CTS delay options of 0mS, 6.6mS or 53mS

• DB-25 connector on each end

• Half or full duplex

• Internal or external clocking

• No external power required

• LEDs monitor data and control signals (Model 1201 only)

2.2 DESCRIPTION

Measuring only 5.3 x 2 x 1.2 inches, the Patton Model 1200 is the small-

est self-powered synchronous modem eliminator on the market. All

power is derived from the RS-232 data signals, so no AC power or bat-

teries are required. Constructed with a DB-25 connector on each end,

the Model 1200 can extend synchronous cable runs to 300 feet on each

side of the device. Optimum distance is achieved at 9600 bps, and strap

selectable data rates may extend up to 38,400 bps.

The Model 1200 provides internal or external clock options and operates

half or full duplex. To emulate dial-up or dedicated service, the delay

between RTS and CTS can be set to either 0mS, 6.6mS or 53mS. The

carrier can be conﬁgured either as “constantly on” or “controlled by RTS”.

The Model 1201 has all the features of the Model 1200, plus LED indica-

tors that monitor receive data, request to send and data carrier detect on

each side of the device.

3.0 INSTALLATION

Do the following to install the Patton Model 1200:

1. Conﬁgure according to the instructions listed in section 4.0, “Conﬁg-

uration” on page 7.

2. Turn off the computer or device to which the Model 1200 is to be

connected.

3. Plug the DB-25 connectors directly into the serial ports of your RS-

232 devices. If you wish to extend the distance, you can add cables

on both sides (see Figure 1).

Note Cables must not be longer than 300 feet (see Figure 1).

Figure 1. Conﬁguration

Sync. Host

Cable

(300 feet or less)

Cable

(300 feet or less)

Model

1200

Sync. Host

4.0 CONFIGURATION

The Model 1200 is equipped with four strapping options that allow conﬁg-

uration to a wide range of applications. To gain access to the internal

straps, loosen the hex nuts on the DB-25 connectors and pry open the

case between the plastic shell ears. Figure 2 shows the location of each

strapping option.

Figure 2. Strap settings for the Model 1200/1201

4.1 DATA RATE

The data rate strap controls the rate at which data is transmitted. Adjust

the strap to select one of the following options: 1.2, 2.4, 4.8, 9.6, 19.2,

38.4 or external clocking. If “external clocking” is selected, the Model

1200 will automatically match the clocking between your two synchro-

nous devices. The default setting is 9.6 Kbps.

4.2 CARRIER DETECT

The carrier detect straps allow you to determine whether the carrier is

“constantly on” or “controlled by RTS”. By adjusting the strap, you may

operate in switched carrier, multi-point and/or hardware handshaking

applications. Port 1 and port 2 may be conﬁgured separately. The

defaults setting is “on” for both ports.

Data Rate

Carrier Detect

Port 1 Port 2

38.4 kbps

19.2 kbps

9.6 kbps

4.8 kbps

2.4 kbps

1.2 kbps

External Clock

Port 1 Port 2

0 mSec

6.6 mSec

53 mSec

Constant

Port 1 Frame

Ground connects

to signal ground

Port 2 Frame

Ground connects

to signal ground

RTS/CTS Delay

Ground

Controlled

4.3 RTS/CTS DELAY

The RTS/CTS delay straps determine the amount of delay between the

time the Model 1200 “sees” RTS and when it sends CTS. In order to

emulate either dial-up or leased line modems, you can set this strap at

either no delay, 6.6mS or 53mS. Port 1 and port 2 may be conﬁgured

separately. The default setting is 6.6mS for both ports.

4.4 GROUND

The ground strap setting connects the protective ground from port 1 or 2

to the Model 1200’s signal ground. The default setting is port 1.

5.0 OPERATION

Once you have conﬁgured the Model 1200 properly (see section 4.0,

“Conﬁguration” on page 7) and plugged it into your equipment, you are

ready to operate the unit. After the Model 1200 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.

5.1 LED STATUS INDICATORS (MODEL 1201 ONLY)

The Model 1201 features six front panel status LEDs that indicate the

condition of the modem eliminator and the communication link. The dia-

gram below shows the location of each of these LEDs. Following the dia-

gram is a description of each LED’s function.

•“TD” and “RTS” indicators blink with data activity.

•“CD” lights for an incoming signal on the line side and the resulting out-

put signal on the RS-232.

APPENDIX A

SPECIFICATIONS

A.1 DATA RATES

Selectable: 1200, 2400, 4800, 9600, 19200, 38400

A.2 CLOCKING

Internal or external

A.3 GROUNDING

Protective ground (pin 1) may be strapped to signal ground (pin 7)

A.4 RANGE

300 feet on either side (for a total of 600 feet) at 9600 bps, range extends

linearly for lower bit rates and decreases for higher bit rates

A.5 FUNCTIONAL

Emulates half or full duplex, dial-up or dedicated line

A.6 RTS/CTS DELAY

Selectable per port: 0mS, 6.6mS, 53mS

A.7 DCD

Selectable per port: continuous or RTS controlled

A.8 RING INDICATOR

Constantly on

A.9 INTERFACE

EIA RS-232C/CCITT V.24

A.10 CONNECTORS

Choice of two male or two female DB-25 RS-232 connectors

A.11 POWER SUPPLY

None required

A.12 ALTITUDE

0 to 10,000 feet

A.13 HUMIDITY

Up to 95% non-condensing

A.14 DIMENSIONS

Approximately 5.3 x 2 x 1.2 in.

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