RFL Electronics RFL 9660 Manuale utente

RFL Electronics Inc.

INSTRUCTION MANUAL

RFL 9660

Digital Switch

NOTICE

The information in this manual is proprietary and confidential to RFL Electronics Inc. Any reproduction

or distribution of this manual, in whole or part, is expressly prohibited, unless written permission is

given by RFL Electronics Inc.

This manual has been compiled and checked for accuracy. The information in this manual does not

constitute a warranty of performance. RFL Electronics Inc. reserves the right to revise this manual and

make changes to its contents from time to time. We assume no liability for losses incurred as a result

of out-of-date or incorrect information contained in this manual.

Publication Number MC 9660

Printed In U.S.A.

Revised April 24, 2007 RFL Electronics Inc.

RFL 9660 RFL Electronics Inc.

April 24, 2007 i (973) 334-3100

WARRANTY

Except where noted, all RFL Electronics Inc. products come with a one-year warranty from date of delivery for

replacement of any part which fails during normal operation. RFL will repair or, at its option, replace components

that prove to be defective at no cost to the Customer. All equipment returned to RFL Electronics Inc. must have

an RMA (Return Material Authorization) number, obtained by calling the Customer Service Department. A

defective part should be returned to the factory, shipping charges prepaid, for repair or replacement FOB

Boonton, N.J.

RFL Electronics Inc. is not responsible for warranty of peripherals, such as printers and external computers. The

warranty for such devices is as stated by the original equipment manufacturer. If you have purchased peripheral

equipment not manufactured by RFL, follow the written instructions supplied with that equipment for warranty

information and how to obtain service.

WARRANTY STATEMENT

RFL Electronics Inc. products are warranted against defects in material and workmanship for one year from the

date of shipment. During the warranty period, RFL will repair or, at its option, replace components that prove to

be defective at no cost to the customer, except the one-way shipping cost of the failed assembly to the RFL

Customer Service facility in Boonton, New Jersey.

This warranty does not apply if the equipment has been damaged by accident, neglect, misuse, or causes other

than performed or authorized by RFL Electronics Inc.

This warranty specifically excludes damage incurred in shipment to or from RFL. In the event an item is

received in damaged condition, the carrier should be notified immediately. All claims for such damage should be

filed with the carrier.

NOTE

If you do not intend to use the product immediately, it is recommended that it be opened immediately

after receiving and inspected for proper operation and signs of impact damage.

This warranty is in lieu of all other warranties, whether expressed, implied or statutory, including but not limited

to implied warranties of merchantability and fitness for a particular purpose. In no event shall RFL be liable,

whether in contract, in tort, or on any other basis, for any damages sustained by the customer or any other

person arising from or related to loss of use, failure or interruption in the operation of any products, or delay in

maintenance or for incidental, consequential, indirect, or special damages or liabilities, or for loss of revenue,

loss of business, or other financial loss arising out of or in connection with the sale, lease, maintenance, use,

performance, failure, or interruption of the products.

RFL Electronics Inc.

353 Powerville Road

Boonton Township, NJ 07005-9151

RFL 9660 RFL Electronics Inc.

April 24, 2007 ii (973) 334-3100

CAUTION

FOR YOUR SAFETY

THE INSTALLATION, OPERATION, AND

MAINTENANCE OF THIS EQUIPMENT

SHOULD ONLY BE PERFORMED

BY QUALIFIED PERSONS.

WARNING:

The equipment described in this manual

contains high voltage. Exercise due care

during operation and servicing. Read the

safety summary on the reverse of this page

RFL 9660 RFL Electronics Inc.

April 24, 2007 iii (973) 334-3100

SAFETY SUMMARY

The following safety precautions must be observed at all times during operation, service, and

repair of this equipment. Failure to comply with these precautions, or with specific warnings

elsewhere in this manual, violates safety standards of design, manufacture, and intended use

of this product. RFL Electronics Inc. assumes no liability for failure to comply with these

requirements.

GROUND THE CHASSIS

The chassis must be grounded to reduce shock

hazard and allow the equipment to perform

properly. Equipment supplied with three-wire ac

power cables must be plugged into an approved

three-contact electric outlet. All other equipment

is provided with a rear-panel ground terminal,

which must be connected to a proper electrical

ground by suitable cabling. Refer to the wiring

diagram for the chassis or cabinet for the location

of the ground terminal.

DO NOT OPERATE IN AN

EXPLOSIVE ATMOSPHERE

OR IN WET OR DAMP AREAS

Do not operate the product in the presence of

flammable gases or fumes, or in any area that is

wet or damp. Operating any electrical equipment

under these conditions can result in a definite

safety hazard.

KEEP AWAY FROM

LIVE CIRCUITS

Operating personnel should never remove

covers. Component replacement and internal

adjustments must be done by qualified service

personnel. Before attempting any work inside the

product, disconnect it from the power source and

discharge the circuit by temporarily grounding it.

This will remove any dangerous voltages that

may still be present after power is removed.

DO NOT SUBSTITUTE PARTS

OR MODIFY EQUIPMENT

Because of the danger of introducing additional

hazards, do not install substitute parts or make

unauthorized modifications to the equipment. The

product may be returned to RFL for service and

repair, to ensure that all safety features are

maintained.

READ THE MANUAL

Operators should read this manual before

attempting to use the equipment, to learn how to

use it properly and safely. Service personnel must

be properly trained and have the proper tools and

equipment before attempting to make adjustments

or repairs.

Service personnel must recognize that whenever

work is being done on the product, there is a

potential electrical shock hazard and appropriate

protection measures must be taken. Electrical

shock can result in serious injury, because it can

cause unconsciousness, cardiac arrest, and brain

damage.

Throughout this manual, warnings appear before

procedures that are potentially dangerous, and

cautions appear before procedures that may result

in equipment damage if not performed properly.

The instructions contained in these warnings and

cautions must be followed exactly.

RFL 9660 RFL Electronics Inc.

April 24, 2007 iv (973) 334-3100

RFL 9660 RFL Electronics Inc.

April 24, 2007 v (973) 334-3100

TABLE OF CONTENTS

Title Page . . . . . . . . . . . i

Warranty . . . . . . . . . . . ii

High Voltage Warning . . . . . . . . . . iii

Safety Summary . . . . . . . . . . iv

Table Of Contents . . . . . . . . . . v

List Of Illustrations . . . . . . . . . . viii

List Of Tables . . . . . . . . . . . x

Trademarks . . . . . . . . . . . xi

List Of Effective Pages . . . . . . . . . . xii

Revision Record . . . . . . . . . . xiii

Section 1. PRODUCT INFORMATION

Section 2. INSTALLATION

2.1 INTRODUCTION . . . . . . . . . 2-1

2.2 UNPACKING . . . . . . . . . . 2-1

2.3 MOUNTING . . . . . . . . . . 2-2

2.4 VENTILATION . . . . . . . . . . 2-2

2.5 CONNECTIONS . . . . . . . . . 2-2

2.5.1 Making Connections To Terminal Blocks . . . . . . 2-2

2.5.2 Alarm, Remote Disconnect, Ground, And Power Connections . . . 2-4

2.5.3 Telephone Connections . . . . . . . . 2-7

2.5.3.1 Two-Wire Connections . . . . . . . 2-7

2.5.4 Rs-232 Port Connections . . . . . . . . 2-8

2.5.5 Connections To Direct Digital Interface . . . . . . 2-9

2.5.6 Fiber Optic Remote Mounting Dimensions . . . . . . 2-10

2.5.7 Connections To Fiber Optic Master And Remote Modules . . . . 2-11

2.6 SYSTEM EXPANSION . . . . . . . . . 2-13

Section 3. SWITCH AND PORT CONFIGURATION

3.1 INTRODUCTION . . . . . . . . . 3-1

3.2 CONTROLS AND INDICATORS . . . . . . . 3-1

3.3 MAKING CONNECTIONS TO THE LOCAL TERMINAL . . . . . 3-1

3.4 TURNING ON THE RFL 9660 . . . . . . . . 3-3

3.5 MASTER RESET . . . . . . . . . 3-4

3.6 LOCALLY ACCESSING THE RFL 9660 . . . . . . . 3-4

3.7 SETTING THE SITE ID . . . . . . . . . 3-7

3.8 SETTING PASSWORDS . . . . . . . . 3-8

3.9 ADDING CALLBACK STRINGS TO PASSWORDS . . . . . 3-11

3.10 SETTING PORT CONFIGURATIONS . . . . . . . 3-14

3.10.1 Entering the Port Configuration Mode . . . . . . 3-14

3.10.2 Setting The Port Label . . . . . . . . 3-16

3.10.3 Setting The Communications Parameters . . . . . . 3-16

3.10.4 Setting The Port Password . . . . . . . 3-17

3.10.5 Setting Port Flow Control . . . . . . . 3-17

3.10.6 Setting Callout Functions . . . . . . . . 3-19

3.10.7 Setting Special Port Configuration Functions . . . . . 3-21

3.10.8 Saving Your Port Configuration Settings . . . . . . 3-23

3.11 USING THE RFL 9660 AS A SUPER-USER . . . . . . 3-24

RFL 9660 RFL Electronics Inc.

April 24, 2007 vi (973) 334-3100

TABLE OF CONTENTS - continued

Section 4. USING THE SWITCH

4.1 INTRODUCTION . . . . . . . . . 4-1

4.2 SETTING UP THE MODEM . . . . . . . . 4-1

4.3 USING MICROSOFT WINDOWS TO LOAD AND RUN APPLICATIONS . . . 4-1

4.4 USING THE MICROSOFT WINDOWS TERMINAL EMULATOR . . . . 4-3

4.5 WINDOWS 95 HYPERTERMINAL SETUP FOR USE WITH RFL 9660 DIGITAL SWITCH . 4-7

4.6 ACCESSING THE RFL 9660 . . . . . . . . 4-18

4.6.1 Remote Access Using The Microsoft Windows Terminal Emulator . . . 4-18

4.6.2 Remote Access Using A DOS-Based Terminal Emulator . . . . 4-22

4.6.3 Locally Accessing The RFL 9660 . . . . . . . 4-25

4.7 GENERAL ACCESS COMMANDS . . . . . . . 4-28

Esc - Abort Command . . . . . . . . . 4-30

H - Display Command List . . . . . . . . 4-30

D - Run Diagnostics . . . . . . . . . 4-30

I - Port Information . . . . . . . . . 4-30

Q - Quit Session . . . . . . . . . 4-32

Port #/Label - PORT SELECTION . . . . . . . 4-32

4.8 DESELECTING A PORT . . . . . . . . 4-33

4.9 CONNECTING THE LOCAL AND MODEM PORTS . . . . . 4-34

Section 5. CONFIGURATION COMMANDS

5.1 INTRODUCTION . . . . . . . . . 5-1

5.2 ACCESSING THE RFL 9660 AS A SUPER-USER . . . . . 5-1

5.3 SUPER-USER COMMANDS . . . . . . . . 5-1

H - Help . . . . . . . . . . 5-2

P - Program Port . . . . . . . . . 5-2

a - Label Port . . . . . . . . . . 5-5

b - Call Request . . . . . . . . . 5-6

c - Call Out . . . . . . . . . . 5-6

d - Password . . . . . . . . . . 5-6

e - Call String . . . . . . . . . . 5-7

f - Modem String . . . . . . . . . 5-8

g - Remote String . . . . . . . . . 5-9

h - Port String . . . . . . . . . . 5-9

i - Port Priority . . . . . . . . . 5-9

j - Local Port DTR . . . . . . . . . 5-10

k - Local Flow Control (XON/XOFF) . . . . . . . 5-10

l - Port Flow Control . . . . . . . . . 5-10

m - Communications Parameters . . . . . . . 5-11

q - Quit . . . . . . . . . . . 5-11

C - Configure The Switch . . . . . . . . 5-12

PP nn - Period Awaiting Password . . . . . . . 5-14

PA nn - Silence Before Deselect Code . . . . . . . 5-14

PB nn - Silence After Deselect Code . . . . . . . 5-14

PT nnnn - Inactive Period, Port Selected. . . . . . . 5-15

PM nnnn - Inactive period, menu mode . . . . . . . 5-15

CC xxx - Port Deselect Code . . . . . . . . 5-16

CB n x... - Callback String . . . . . . . . 5-16

PW n x... - Password . . . . . . . . . 5-17

CM x - Message Format. . . . . . . . . 5-17

CT x - Enable CCITT Modem Sequence . . . . . . . 5-18

CE x -Password Enable . . . . . . . . . 5-18

RFL 9660 RFL Electronics Inc.

April 24, 2007 vii (973) 334-3100

TABLE OF CONTENTS - continued

CS - Store Changes . . . . . . . . . 5-18

CA x - Enable Port Selection By Number. . . . . . . 5-19

Q - Quit programming mode without saving changes . . . . . 5-19

S - Show Current Selections . . . . . . . . 5-19

R - Reset To Factory Default . . . . . . . . 5-20

S - Save Changes . . . . . . . . . 5-21

R - Reset All Port Parameters To Default . . . . . . 5-21

U - Update Hardware Configuration . . . . . . . 5-22

Section 6. STATUS AND ERROR CODES . . . . . . . 6-1

Section 7. COMMAND LANGUAGE

7.1 B - SHORT-FORM RESPONSE . . . . . . . . 7-1

7.2 F - VERBOSE ASCII . . . . . . . . . 7-1

Section 8. SPECIAL JUMPER AND DIP SWITCH SETTINGS

8.1 INTRODUCTION . . . . . . . . . 8-1

8.2 CPU MODULE . . . . . . . . . . 8-1

8.3 MODEM MODULE . . . . . . . . . 8-5

8.4 RS-232 DEVICE PORT MODULE . . . . . . . 8-6

Section 9. FIBER OPTIC SET-UP INFORMATION

9.1 INTRODUCTION . . . . . . . . . 9-1

9.2 FIBER OPTIC MASTER I/O MODULE . . . . . . . 9-1

9.3 FIBER OPTIC REMOTE MODULE . . . . . . . 9-3

Section 10. MAINTENANCE

10.1 INTRODUCTION . . . . . . . . . 10-1

10.2 FUSE REPLACEMENT . . . . . . . . 10-1

10.2.1 Power Supply Fuse Replacement. . . . . . . 10-1

10.2.2 I/O Module Fuse Replacement . . . . . . . 10-3

10.3 FIBER OPTIC REMOTE MODULE FUSE REPLACEMENT . . . . 10-4

10.4 USING THE MODULE REMOVAL TOOL . . . . . . 10-6

10.5 DIAGNOSTICS . . . . . . . . . 10-7

10.6 HOW TO ARRANGE FOR SERVICE . . . . . . . 10-8

Section 11. GOVERNMENT REGULATIONS

11.1 FCC (United States) . . . . . . . . . 11-1

11.2 DOC (Canada). . . . . . . . . . 11-2

Section 12. PORT ASSIGNMENTS . . . . . . . . 12-1

Section 13. MODEM "AT" COMMANDS AND "S" REGISTERS

13.1 INTRODUCTION . . . . . . . . . 13-1

13.2 MODEM "AT" COMMANDS . . . . . . . . 13-2

13.3 V.92 COMMANDS . . . . . . . . 13-19

13.4 S-REGISTERS 13-26

Section 14. PARTS LISTS AND SCHEMATICS. . . . . . . 14-1

Section 15. INDEX . . . . . . . . . . 15-1

Section 16. APPLICATION NOTES . . . . . . . . 16-1

RFL 9660 RFL Electronics Inc.

April 24, 2007 viii (973) 334-3100

LIST OF ILLUSTRATIONS

1-1. RFL 9660 Digital Switch . . . . . . . . . 1-1

1-2. Typical application, RFL 9660 Digital Switch. . . . . . . 1-3

2-1. Mounting dimensions, RFL 9660 Digital Switch . . . . . . 2-2

2-2. Rear view, RFL 9660 Digital Switch . . . . . . . . 2-3

2-3. RFL 9660 alarm, remote disconnect, and power connections (dc-powered units) . . 2-5

2-4. RFL 9660 alarm, remote disconnect, and power connections (ac-powered units) . . 2-6

2-5. Two-wire telephone connections, RFL 9660 Digital Switch . . . . . 2-7

2-6. Terminal assignments for PORT connectors on RFL 9660 Digital Switch . . . 2-8

2-7. Terminal assignments for direct digital connector on RFL 9660 Digital Switch. . . 2-9

2-8. Fiber optic remote mounting dimensions . . . . . . . 2-10

2-9. Fiber optic connections between master and remotes in fiber optic ring . . . 2-11

2-10. Power connections between three fiber optic remotes at the same site . . . 2-12

2-11. General installation and interfacing information, RFL 9660 Digital Switch . . . 2-15

3-1. Controls and indicators, RFL 9660 Digital Switch . . . . . . 3-2

3-2. Construction details for cable between local terminal and LOCAL connector

on RFL 9660 Digital Switch . . . . . . . . 3-3

3-3. List of super-user commands . . . . . . . . 3-5

3-4. Relationship between commands used for switch and port configuration . . . 3-6

3-5. Typical configuration command list display . . . . . . . 3-9

3-6. Typical list of current selections with passwords entered . . . . . 3-10

3-7. Typical list of current selections with passwords and callback strings entered . . 3-13

3-8. Typical port information display, showing factory default values . . . . 3-14

3-9. Typical port information display with list of selections . . . . . 3-15

4-1. Microsoft Windows "Terminal Emulator" window . . . . . . 4-3

4-2. "Terminal Emulation" dialog box for Microsoft Windows Terminal Emulator . . . 4-3

4-3. "Terminal Preferences" dialog box for Microsoft Windows Terminal Emulator . . . 4-4

4-4. "Communications" dialog box for Microsoft Windows Terminal Emulator . . . 4-5

4-5. "Modem Commands" dialog box for Microsoft Windows Terminal Emulator . . . 4-6

4-6. "Phone Number" dialog box for Microsoft Windows Terminal Emulator . . . 4-6

4-7. HyperTerminal window . . . . . . . . . 4-8

4-8. Connection description window . . . . . . . . 4-8

4-9. Phone number window . . . . . . . . . 4-9

4-10. Connect window . . . . . . . . . . 4-10

4-11. Properties/phone number window . . . . . . . . 4-10

4-12. Modem properties/general window . . . . . . . 4-11

4-13. Modem properties/connection window . . . . . . . 4-12

4-14. Advance port settings window . . . . . . . . 4-13

4-15. Advanced connection settings window . . . . . . . 4-13

4-16. Modem properties/options window . . . . . . . . 4-14

4-17. Properties/settings window . . . . . . . 4-15

4-18. Terminal settings window . . . . . . . . . 4-16

4-19. ASCII setup window . . . . . . . . . 4-16

4-20. Connect window . . . . . . . . . . 4-17

4-21. Typical general access command list display . . . . . . 4-20

4-22. Relationship between general access commands . . . . . . 4-20

4-23. Typical general access command list display . . . . . . 4-23

4-24. Typical port summary table . . . . . . . . 4-24

RFL 9660 RFL Electronics Inc.

April 24, 2007 ix (973) 334-3100

LIST OF ILLUSTRATIONS - continued

4-25. Typical general access command list display . . . . . . 4-26

4-26. Typical port summary table . . . . . . . . 4-27

4-27. Typical general access command list display . . . . . . 4-28

4-28. Relationship between general access commands . . . . . . 4-29

4-29. Typical port summary table . . . . . . . . 4-31

5-1. Typical super-user command list display . . . . . . . 5-2

5-2. Relationships between super-user commands . . . . . . 5-3

5-3. Typical port information display, showing factory default values . . . . 5-4

5-4. Typical port information display with list of selections . . . . . 5-5

5-5. Typical configuration command list display . . . . . . . 5-12

5-6. Typical list of current selections . . . . . . . 5-20

5-7. Typical port configuration display . . . . . . . . 5-22

8-1. Programmable jumpers and DIP switches, CPU module . . . . . 8-2

8-2. Programmable jumpers and DIP switches, RFL 9660 modem module . . . 8-5

8-3. Programmable jumpers, RS-232 device port module. . . . . . 8-6

9-1. Programmable DIP switches and indicators, fiber optic master I/O module . . . 9-2

9-2. Programmable DIP switches and indicators, fiber optic remote module . . . 9-3

10-1. Typical diagnostic test display . . . . . . . . 10-7

14-1. Component locator drawing, RFL 96 CPU Central Processor (CPU) Module . . 14-6

14-2. Schematic, RFL 96 CPU Central Processor (CPU) Module . . . . 14-7

14-3. Component locator drawing, RFL 9600 Modem . . . . . 14-12

14-4. Schematic, RFL 9600 Modem . . . . . . . 14-13

14-5. Component locator drawing, RFL 9600 Modem I/O. . . . . 14-14

14-6. Schematic, RFL 9600 Modem I/O . . . . . . . 14-15

14-7. Component locator drawing, RFL 96 DTE I/O Direct Digital I/O Module . . . 14-17

14-8. Schematic, RFL 96 DTE I/O Direct Digital I/O Module . . . . . 14-19

14-9. Component locator drawings, dc-input power supply modules for RFL 9660 Digital Switch . 14-25

14-10. Schematic, input board, dc-input power supply modules for RFL 9660 Digital Switch . 14-27

14-11. Component locator drawings, ac-input power supply module for RFL 9660 Digital Switch . 14-33

14-12. Schematic, ac-input power supply module for RFL 9660 Digital Switch . . . 14-35

14-13. Component locator drawing, RFL 96 PWR/ALARM I/O Power/Alarm I/O Module . . 14-38

14-17. Schematic, RFL 96 PWR/ALARM I/O Power/Alarm I/O Module . . . . 14-39

14-18. Component locator drawing, RFL 96 AC/ALARM I/O Ac-Input Power/Alarm I/O Module . 14-42

14-19. Schematic, RFL 96 AC/ALARM I/O Ac-Input Power/Alarm I/O Module . . . 14-43

14-20. Component locator drawing, RFL 96 MSM I/O RS-232 Device Port Module . . 14-46

14-21. Schematic, RFL 96 MSM I/O RS-232 Device Port Module . . . . . 14-47

14-22. Component locator drawing, fiber optic master I/O module for RFL 9660 Digital Switch . 14-53

14-23. Schematic, fiber optic master I/O module for RFL 9660 Digital Switch . . . 14-55

14-24. Component locator drawing, motherboard for RFL 9660 Digital Switch . . . 14-58

14-25. Schematic, motherboard for RFL 9660 Digital Switch . . . . . 14-59

14-26. Component locator drawing, fiber optic remote module transceiver board . . . 14-63

14-27. Schematic, fiber optic remote module transceiver board . . . . . 14-65

14-28. Component locator drawing, fiber optic remote module power supply board . . 14-68

14-29. Schematic, fiber optic remote module power supply board. . . . . 14-69

RFL 9660 RFL Electronics Inc.

April 24, 2007 x (973) 334-3100

LIST OF TABLES

2-1. DIP switch settings for fiber optic remote module addressing. . . . . 2-14

3-1. Controls and indicators, RFL 9660 Digital Switch . . . . . . 3-2

5-1. Configuration setting worksheet, RFL 9660 Digital Switch . . . . . 5-13

7-1. Short-form responses and long-form equivalents . . . . . . 7-2

7-2. Long-form responses and short-form equivalents . . . . . . 7-3

8-1. DIP switch settings for local port setup . . . . . . . 8-2

8-2. DIP switch settings for modem port setup . . . . . . . 8-3

8-3. DIP switch settings for direct digital port setup . . . . . . 8-3

9-1. DIP switch settings for fiber optic remote module addressing. . . . . 9-4

10-1. Fuse replacement data, RFL 9125 power supply modules . . . . . 10-2

10-2. Fuse replacement data, RFL 9660 fiber optic remote modules . . . . 10-4

12-1. Device port totals and port numbers, RFL 9660 Digital Switch . . . . 12-1

12-2. Device port assignments, RFL 9660 Digital Switch . . . . . . 12-3

13-1. Modem "AT" Commands . . . . . . . . . 13-3

13-2. RFL 9660 modem module “S” register summary . . . . . . 13-26

13-3. Result codes . . . . . . . . . . 13-29

14-1. Replaceable parts, RFL 96 CPU Central Processor (CPU) Module . . . . 14-3

14-2. Replaceable parts, RFL 9660 Modem . . . . . . . 14-11

14-3. Replaceable parts, RFL 9660 Modem I/O . . . . . . 14-14

14-5. Replaceable parts, RFL 96 DTE I/O Direct Digital I/O Module . . . . 14-16

14-6. Replaceable parts, dc-input power supply modules for RFL 9660 Digital Switch . . 14-21

14-7. Replaceable parts, ac-input power supply module for RFL 9660 Digital Switch . . 14-31

14-8. Replaceable parts, RFL 96 PWR/ALARM I/O Dc-Input Power/Alarm I/O Module . . 14-37

14-9. Replaceable parts, RFL 96 AC/ALARM I/O Ac-Input Power/Alarm I/O Module . . 14-41

14-10. Replaceable parts, RFL 96 MSM I/O RS-232 Device Port Module . . . 14-45

14-11. Replaceable parts, fiber optic master I/O module for RFL 9660 Digital Switch . . 14-51

14-12. Replaceable parts, motherboard for RFL 9660 Digital Switch . . . . 14-57

14-13. Replaceable parts, fiber optic remote module transceiver board . . . . 14-61

14-14. Replaceable parts, fiber optic remote module power supply board . . . 14-67

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