Patton electronics 1140RC Manual de usuario

USER

MANUAL

MODEL 1140RC

RS-232 Fiber Optic

Rack Card Modem

w/ V.54 & V.52 Diagnostics

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

http://www.patton.com

Part #07M1140RC

Doc #018031U,

Rev. D

Revised 1/22/08

CERTIFIED

An ISO-9001

Certified Company

Dear Valued Customer,

Thank you for purchasing Patton Electronics products! We do

appreciate your business. I trust that you find this user manual helpful.

We manufacture one of the widest selections of data

communications products in the world including CSU/DSU's, network

termination units, powered and self-powered short range modems, fiber optic

modems, interface converters, baluns, electronic data switches, data-line surge

protectors, multiplexers, transceivers, hubs, print servers and much more. We

produce these products at our Gaithersburg, MD, USA, facility, and can

custom manufacture products for your unique needs.

We would like to hear from you. Please contact us in any of the

following ways to tell us how you like this product and how we can meet your

product needs today and in the future.

Web: http://www.patton.com

Sales E-mail: [email protected]

Support E-mail: [email protected]

Phone - Sales (301) 975-1000

Phone - Support (301) 975-1007

Fax: (301) 869-9293

Mail: Patton Electronics Company

7622 Rickenbacker Drive

Gaithersburg, MD 20879 USA

We are committed to a quality product at a quality price. Patton

Electronics is ISO 9001 certified. We meet and exceed the highest standards

in the industry (CE, UL, etc.).

It is our business to serve you. If you are not satisfied with any

aspect of this product or the service provided from Patton Electronics or its

distributors, please let us know.

Thank you.

Burton A.Patton

Vice President

P.S. Please tell us where you purchased this product.

_________________________________________________________

1.0 WARRANTY INFORMATION

Patton Electronics warrants all Model 1140RC 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 1140RC 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 1140RC 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

1140RC does cause interference to radio or television reception, which

can be determined by turning the power off or removing the card, 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). 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 take the following steps: use only data cables with

an external outer shield bonded to a metal or metalized connector; and,

configure the rear card as shown in section 3.2 of this manual.

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.

APPENDIX C

PIN CONFIGURATIONS

8- (CD) Carrier Detect

7- (SG) Signal Ground

6- (DSR) Data Set Ready

5- (CTS) Clear to Send

4- (RTS) Request to Send

3- (RD) Receive Data

2- (TD) Transmit Data

1- (FG) Frame Ground

UNIVERSAL D-26 INTERFACE (DCE WIRING)

Digital Loop (RDL) -21

Data Terminal Ready (DTR) -20

Analog Loop (LAL) -18

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 Support: (301) 975-1007; http://www.patton.com; or,

[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 1140RC. Technical Service hours: 8AM to 5PM EST, Monday

through Friday.

APPENDIX B

FACTORY REPLACEMENT PARTS

The Patton Model 1140RC rack system features interchangeable

rear half cards, power cords/fuses for international various operating

environments and other user-replaceable parts. Model numbers and

descriptions for these parts are listed below:

Patton Model # Description

1000RPEM..........................120/240V Rear Power Entry Module

1000RPSM-2.......................120/240V Front Power Supply Module

1000RPEM-DC ...................DC Rear Power Entry Module

1000RPSM-48A ..................48V Front Power Supply Module

1000RPEM-V ......................120/240V CE Compliant Rear Power

Entry Module

1000RPSM-V ......................120/240V CE Compliant Front Power

Supply Module

0805US ...............................American Power Cord

0805EUR.............................European Power Cord CEE 7

0805UK ...............................United Kingdom Power Cord

0805AUS.............................Australia/New Zealand Power Cord

0805DEN.............................Denmark Power Cord

0805FR ...............................France/Belgium Power Cord

0805IN.................................India Power Cord

0805IS.................................Israel Power Cord

0805JAP..............................Japan Power Cord

0805SW ..............................Switzerland Power Cord

05R16FPB1.........................Single Width Blank Front Panel

05R16FPB4.........................4-Wide Blank Front Panel

05R16RPB1 ........................Single Width Blank Rear Panel

05R16RPB4 ........................4-Wide Blank Rear Panel

0821R4................................400 mA Fuse (5x20mm)

Littlefuse 239.400 or equivalent

0821R2................................200 mA Fuse (5x20mm)

Littlefuse 239.200 or equivalent

056S1..................................Set of 16 #4 pan head screws/washers

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,

[email protected] or www.patton.com.

2.1 FEATURES

• Supports async or sync communication over dual optical fibers

• RS-232 Data rates to 57.6 Kbps

• Distances to 2 miles

• V.54 and V.52 Diagnostics

• Mounts in Patton’s 16-Card Rack Chassis

• Compatible with the Patton Model 1140 self-powered modem

• Immune to RFI/EMI noise, ground loops and transient surges

• Easily accessible configuration jumpers & switches

• Bi-level LED status indicators

• Works with switchable 120V or 240V rack mount power supply

• SMA or ST connectors available (HD-26 female RS-232 port) on

rear Interface card

2.2 DESCRIPTION

The Patton Model 1140RC fiber optic rack card modem is the

rack mountable counterpart to Patton’s Model 1140 self-powered, fiber

optic modem. Communicating full or half duplex over dual optical

fibers, the Model 1140RC supports data rates to 57.6 Kbps and

distances to 2 miles. Both V.54 and V.52 diagnostics are built into the

unit. Like all fiber optic modems, the Model 1140RC is inherently

immune to RFI/EMI noise, ground loops and transient surges. The

carrier may be switch selected as either “Continuously On” or

“Controlled by RTS”. Five pairs of bi-level LED indicators monitor TD,

RD, RTS, CD, test and error. A single LED monitors power.

The Model 1140RC is designed to mount in Patton’s 2U high 19”

rack chassis. This 16-card chassis has a switchable 120/240 volt

power supply and mounts cards in a mid-plane architecture: The front

“brains” half-card can be plugged into different rear “interface” cards.

The Model 1140RC is available with a choice of two interface cards:

one with SMA connectors, and one with ST connectors. Both cards are

equipped with an HD-26 female connector for the RS-232 interface.

APPENDIX A

SPECIFICATIONS

Transmission Line: Dual optical cable

Transmission Mode: Asynchronous, half or full duplex, point-to-point

Interfaces: EIA RS-232, CCITT V.24

Data Rates: 0 - 57.6 Kbps

Distance: 2 miles over continuous fiber

RTS/CTS Delay: Switch-selectable: No delay, 7.0 mS, 53 mS

Receiver Sensitivity: -45 dBm

Coupled Power Output: -30 to -36 dBm

Optic Wavelength: 850 nm

LED Indicators: Power, TD, RD, RTS, CD, Test Mode, Error

Connectors: HD-26 female on RS-232 side; ST or SMA connectors

on fiber side

Power Supply: 120/240V (switchable) on rack chassis

Temperature Range: 0-60°C (32-140°F)

Altitude: 0-15,000 feet

Humidity: Up to 95% non-condensing

Weight: 2 oz.

Dimensions: 0.95”W x 3.1”H x 5.4”L

3.0 CONFIGURATION

This section describes the location and orientation of the Model

1140RC’s configuration switches and jumpers, and provides detailed

instructions for all possible settings.

The Model 1140RC uses a combination of DIP switches and

jumpers that allow configuration to an extremely wide range of

applications. Designed around a mid-plane architecture, the Model

1140RC incorporates both front and rear cards. Configuration of both

may be necessary. The switches/jumpers are accessible when the

cards are removed from the rack chassis. Once configured, the Model

1140RC is designed to operate transparently, without need for frequent

re-configuration.

3.1 FRONT CARD CONFIGURATION

The Model 1140RC front card has two sets of eight switches (S1 &

S2), which are mounted on the PC board (Figure 1, below). These

configuration switches allow you to configure the Model 1140RC for a

wide range of applications. The ON/OFF orientation of the DIP

switches is shown in figure 2 (below).

Figure 1. Model 1140RC front card jumper locations

Figure 2. Close-up of DIP switches showing “ON” and “OFF” positions

12345678

OFF

Switch Set 1

(Switch 1:1 on bottom)

SwitchSet 2

(Switch 2:1 on bottom)

1. Locate the lower of the two toggle switches on the front panel

of the Model 1140RC and move it to the right. This will

activate the V.52 BER test mode and transmit a “511” test

pattern to the other unit. If any errors are present, the

receiving modem’s red “Error” LED will blink sporadically.

Note: For this independent test to function, the “511” switch on

both

Model 1140RCs must be turned on.

2. If the test indicates no errors are present, move the V.52

toggle switch to the left, thus activating the “511/E” test with

periodic errors present. If the test is working properly, the

receiving modem’s red “Error” LED will blink

regularly

. A

successful “511/E” test will confirm that the link is in place, and

that the Model 1140RC’s built-in “511” generator and detector

are working properly.

3.1.1 CONFIGURATION SWITCH SET “S1”

The DIP switches on S1 set data rate, clock source, async./sync.

mode and carrier control method. The default settings are summarized

in the table below. Following the table is a description of all possible S-

1 switch settings.

S1-1 through S1-4: Data Rate Setting

Switches S1-1 through S1-4 are set in combination to determine

the asynchronous and synchronous data rate for the Model 1140RC.

S1-1 S1-2 S1-3 S1-4 Setting

On On On On 1.2 Kbps

Off On On On 1.8 Kbps

On Off On On 2.4 Kbps

Off Off On On 3.6 Kbps

On On Off On 4.8 Kbps

Off On Off On 7.2 Kbps

On Off Off On 9.6 Kbps

Off Off Off On 14.4 Kbps

On On On Off 19.2 Kbps

Off On On Off 28.8 Kbps

On On Off Off 38.4 Kbps

Off On Off Off 57.6 Kbps

S1 SUMMARY TABLE

Position Function Factory Default

S1-1 Data Rate On

S1-2 Data Rate Off

S1-3 Data Rate Off

S1-4 Data Rate On

S1-5 Clock Source On

S1-6 Clock Source On

S1-7 Async./Sync. On Async.

S1-8 Carrier Control Off Constantly On

9,600 bps

Internal

}

5.3.2 REMOTE DIGITAL LOOPBACK (RDL)

The Remote Digital Loopback (RDL) test checks the performance of

both the local and remote Model 1140RCs,

and

the communication link

between them. Any characters sent to the remote 1140RC in this test

mode will be returned back to the originating device. For example,

characters typed on the keyboard of the local terminal will appear on

the local terminal screen

after

having been passed to the remote Model

1140RC and looped back. To perform an RDL test, follow these steps:

1. Activate RDL. This may be done in two ways: First, by

moving the upper front panel toggle switch LEFT to “Remote”.

Second, by raising pin 21 on the RS-232 interface. (Note: be

sure DIP switch S2-8 is off).

2. Verify that the DTE equipment on the local end is operating

properly and can be used for a test.

3. Locate the lower of the two toggle switches on the front panel

of the 1140RC and move it to the right. This will activate the

V.52 BER test mode and inject a “511” test pattern into the

remote loop. If any errors are present in the loop, the red

“Error” LED will blink sporadically.

4. If the BER test indicates

no errors

are present, move the V.52

toggle switch to the left, thus activating the “511/E” test with

periodic errors. If the test is working properly, the red “Error”

LED will light. A successful “511/E” test will confirm that the

loop is in place, and that the Model 1140RC’s built-in “511”

generator and detector are working properly.

5. If the remote BER test indicates that errors

are

present, and

the local analog loopback/BER tests showed that both Model

1140RCs were functioning properly, this suggests a problem

with the twisted pair communication line connecting the two

modems. A common problem is improper crossing of the

pairs. Also, verify that the modular connections are pinned

properly, and the twisted pair line has continuity. If you still

have errors, call Technical Support at (301) 975-1007.

5.3.3 USING THE V.52 BER TEST INDEPENDENTLY

The Model 1140RC's V.52 BER test can be used independent of the

V.54 loopback tests. This requires two operators: one to initiate and

monitor the test at both the local and the remote Model 1140RC. To

use the V.52 BER test by itself, both operators should simultaneously

follow these steps:

S1-5 and S1-6: Clock Source

Switches S1-5 and S1-6 are set in combination to determine the

transmit clock source for the Model 1140RC.

S1-5 S1-6 Setting

On On Internal transmit clock

Off On Receive recover clock

On Off External transmit clock

S1-7: Asynchronous/Synchronous Mode

The setting for switch S1-7 determines whether the Model 1140RC

is in asynchronous or synchronous operating mode.

S1-7 Setting

On Asynchronous

Off Synchronous

S1-8: Carrier Control Method

The setting for switch S1-8 determines whether the carrier is

“constantly on” or “controlled by RTS”. This setting allows for operation

in switched carrier, multipoint and/or hardware handshaking

applications.

S1-8 Setting

Off Constantly On

On Switched Carrier

615

5.3 TEST MODES

The Model 1140RC offers two V.54 test modes and two V.52 test

modes to evaluate the condition of the modems and the communication

link. Both sets of tests can be activated physically from the front panel.

The V.54 test can also be activated from the RS-232 interface.

Note:

V.54 and V.52 test modes on the Model 1140RC are available for point-

to-point applications only.

5.3.1 LOCAL ANALOG LOOPBACK (LAL)

The Local Analog Loopback (LAL) test checks the operation of the

local Model 1140RC, and is

performed separately on each unit.

Any

data sent to the local Model 1140RC in this test mode will be echoed

(returned) back to the user device. For example, characters typed on

the keyboard of a terminal will appear on the terminal screen. To

perform a LAL test, follow these steps:

1. Activate LAL. This may be done in one of two ways: First, by

moving the upper front panel toggle switch RIGHT to “Analog”.

Second, by raising pin 18 on the RS-232 interface (note: be

sure DIP switch S2-8 is off). Once LAL is activated, the Model

1140RC transmit output is connected to its own receiver. The

“Test” LED should be lit.

2. Verify that the data terminal equipment is operating properly

and can be used for a test.

3. Locate the lower of the two toggle switches on the front panel

of the Model 1140RC and move it to the right. This will

activate the V.52 BER test mode and inject a “511” test pattern

into the local loop. If any errors are present in the loop, the

red “Error” LED will blink sporadically.

4. If the BER test indicates

no errors

are present, move the V.52

toggle switch to the left, thus activating the “511/E” test with

periodic errors. If the test is working properly, the red “Error”

LED will light. A successful “511/E” test will confirm that the

loop is in place, and that the Model 1140RC’s built-in “511”

generator and detector are working properly.

5. If the BER test indicates that errors

are

present, check to see

that the RS-232 cable connecting the DTE to the Model

1140RC is wired straight through, and is plugged in properly.

Also, ensure that the Model 1140RC is configured properly.

Then re-check your DTE equipment. If you still have errors,

call Patton Technical Support at (301) 975-1007.

3.1.2 CONFIGURATION SWITCH SET “S2”

The DIP switches on S2 set word length, extended signaling rate,

RTS/CTS delay and V.52 and V.54 diagnostic test. The default settings

are summarized in the table below. Following the table is a description

of all possible S-2 switch settings.

S2-1 and S2-2: Word Length

Switches S2-1 and S2-2 are set in combination to determine the

word length for asynchronous data.

S2-1 S2-2 Setting

Off On 8 bits

On On 9 bits

Off Off 10 bits

On Off 11 bits

S2-3: Extended Signaling Rate

The setting for switch S2-3 determines the range of variability the

Model 1140RC “looks for” in asynchronous data rates (i.e., the actual

variance from a given frequency level the Model 1140RC will tolerate).

S2-3 Setting

Off -2.5% to +1% Basic

On -2.5% to +2.3% Extended

S2 SUMMARY TABLE

Position Function Factory Default

S2-1 Word Length Off

S2-2 Word Length Off

S2-3

Extended Signaling Rate

Off-2.5% to +2.3%

S2-4 RTS/CTS Delay On

S2-5 RTS/CTS Delay On

S2-6 Future Use -

S2-7 Future Use -

S2-8 V.52/V.54 Tests Off

Enable

}

7 mS

10 bits

5.0 OPERATION

Once you have configured each Model 1140RC and connected the

cables, you are ready to operate the units. This section describes the

LED status monitors and power-up procedure.

5.1 LED STATUS MONITORS

The Model 1140RC features ten front panel status LEDs that

indicate the condition of the modem and communication link:

• The green “PWR” LED glows when power is applied to the modem

card through its mid-plane chassis connection.

• The green “TD” and “RD” indicators blink to show positive state

data activity. The Red “TD” and “RD” indicators blink to show

negative state data activity. Solid red indicates an idle state.

• The green “RTS” and “CD” indicators glow solid to show the control

signal is on. The red “RTS” and “CD” indicators glow solid to show

the control signal is off. When the 1140RC is connected to a DTE,

RTS will glow green for an incoming signal on RS-232 pin 4. CD

will glow green for an incoming signal from the line, and an

outgoing signal on RS-232 pin 8.

• The “Test” LED glows when either the Local Analog Loopback

(LAL) or Remote Digital Loopback (RDL) V.54 test mode is

initiated. The “Error” LED blinks when an error is detected by the

V.52 diagnostics.

5.2 POWER-UP

There is no power switch on the Model 1140RC: Power is

automatically applied to the 1140RC when its card-edge connector

makes contact with the chassis’ mid-plane socket, or when the chassis’

power supply is turned on.

Note: The 1140RC is a “hot swappable”

card—it will not be damaged by plugging it in or removing it while the

rack is powered up.

When the local and remote units are

both

powered up, and are

passing data

normally

, the following LED conditions will exist:

• PWR = green

• TD & RD = flashing red and green

• RTS & CD = green

• Test = off

• Error = off

S2-4 and S2-5: RTS/CTS Delay

The combined settings for switches S2-4 and S2-5 determine the

amount of delay between the time the Model 1140RC “sees” RTS and

when it sends CTS. Options are no delay, 7 ms and 53 ms.

S2-4 S2-5 Setting

On On 7 mS

Off On 53 mS

On Off No delay

Off Off No delay

S2-8: V.54 Loopback Test Enable

To reset the V.54 circuit, set switch S2-6 to the “ON” position, then

back to the “OFF” position..

S2-8 Setting

Off V.54 Enable

On V.54 Disable

3.2 REAR CARD CONFIGURATION

The Model 1140RC is compatible with two dual-fiber interface cards,

one with dual ST connectors and one with dual SMA connectors. Both

cards use an HD-26 female for the RS-232 interface. The single

configuration jumper (JB1) functions identically on both cards. Figure 3

(below) shows the jumper’s location.

Figure 3. Model 1140RC rear card jumper location

JB1

(pin 1 on left)

4.3.2 FIBER CONNECTIONS

The Model 1140RC is designed to work with the self-powered

Model 1140, or with another Model 1140RC. In either case, you will

need one unit at each end of a dual fiber cable. This cable connects to

the Model 1140RC using either ST or SMA connectors. Figure 7

(below) shows a close-up of each of these connector types.

Figure 7. Close up of ST and SMA connections

SMA

alignment pin

faces down

3.2.1 HOW THE JUMPER WORKS

Figure 4 (below) shows the 3-pin jumpers used on the rear card.

The strap enables or disables a particular function depending upon

whether it straddles pins 1 and 2, or pins 2 and 3.

DTE Shield (Pin 1) & FRGND (JB1)

In the connected (closed) position, this strap links DB-25 pin 1 and

frame ground. In the open (disconnected) position, pin 1 is “lifted” from

frame ground.

JB1

Position 1&2 = DTE Shield (Pin 1) and FRGND connected

Position 2&3 = DTE Shield (Pin 1) and FRGND not connected

Figure 4. Orientation of interface card strap

123 123 123

4.3 WIRING UP THE MODEL 1140RC

Both of the rear interface cards compatible with the Model 1140RC

have one RS-232 port and one dual-connector fiber port (see Figure 6.

below). Depending upon the card you have, the fiber port will be either

an ST or SMA connector. The RS-232 port is always a female HD-26

connector.

4.3.1 RS-232 CONNECTION

The RS-232 port on the rear card of the Model 1140RC is wired as

a DCE, and uses a female HD-26 connector. The HD-26 is an alternate

connector according to the EIA RS-232E specification, and the pin-out

is the same as a standard DB-25. Pin 26 is not used.

You will need an interface cable to connect the Model 1140RC to

your RS-232 device. Assuming your RS-232 device is a DTE (PC,

host, terminal, workstation, etc.), the cable should be wired

straight

through

. You may either provide your own cable, or you may purchase

an HD-26 to DB-25 cable from Patton Electronics Company. Please

call the Patton Sales Department at (301) 975-1000 for price and

delivery information.

Dual SMA Dual ST

Figure 6. Model 1140RC interface card options

HD-26 F HD-26 F

Notice! Any terminal cable connected to the Model 1140RC

must be shielded cable, and the outer shield must be 360

degree bonded–at both ends–to a metal or metalized backshell.

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