Black Box MD1650A-JP User Manual
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Black Box MD1650A-JP User Manual

Black Box MD1650A-JP User Manual

V.92 dialup 2-wire or 4-wire leased-line data/fax modem
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Download this manual See also: Reference Manual
SEPTEMBER 2006
MD1650A-JP
V.92 Dialup 2-Wire or 4-Wire
Leased-Line Data/Fax Modem
User's Guide
CUSTOMER
To order: Call 03-5471-8800 • Fax: 03-5471-8822
Mailing address: 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan
SUPPORT
Web site: www.blackbox.co.jp • E-mail: info@blackbox.co.jp
INFORMATION

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  • Page 1 SEPTEMBER 2006 MD1650A-JP V.92 Dialup 2-Wire or 4-Wire Leased-Line Data/Fax Modem User’s Guide CUSTOMER To order: Call 03-5471-8800 • Fax: 03-5471-8822 Mailing address: 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan SUPPORT Web site: www.blackbox.co.jp • E-mail: info@blackbox.co.jp INFORMATION...
  • Page 3 Macintosh is a registered trademark of Apple Computer, Inc. AT&T is a registered trademark of AT&T. BLACK BOX and the Double Diamond logo are registered trademarks of BB Technologies, Inc. AS/400 is a registered trademark of International Business Machines Corporation.

  • Page 4: Weee Directive

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE RoHS/WEEE Compliance This modem is RoHS/WEEE compliant. WEEE Directive The WEEE directive places an obligation on EU-based manufacturers, distributors, retailers, and importers to take back electronics products at the end of their useful life. A sister directive, RoHS (Restriction of Hazardous Substances) complements the WEEE Directive by banning the presence of specific hazardous substances in the products at the design phase.

  • Page 5: Table Of Contents

    CONTENTS Contents Chapter Page 1. Specifications .................................6 2. Overview .................................8 3. Installation................................9 Connect the Modem to Your System......................9 3.1.1 Connect to Your PC ........................9 3.1.2 Connect to the Telephone Line (Dialup Connection) ............9 3.1.3 Connect the Two-Wire Leased Line ..................10 3.1.4 Connect the Four-Wire Leased Line ..................10 3.1.5...
  • Page 6 EMC, Safety, and R&TTE Directive Compliance ..................58 International Modem Restrictions ......................59 New Zealand Telecom Warning Notice ....................59 South African Notice ..........................60 Appendix B. Technical Support ..........................61 Calling Black Box............................61 Shipping and Packaging ...........................61 Appendix C. Upgrading the Firmware ........................62 Appendix D. Installing a Modem Under Linux.......................65...
  • Page 7 CONTENTS Chapter Page Appendix E. Pin Descriptions............................67 RS-232 Pin Descriptions ..........................67 RS-232 Cable Pinouts..........................69 Leased Line Pinouts ..........................70...

  • Page 8: Specifications

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 1. Specifications Server-to-Client Data Rates: 56K or V.92 speeds when accessing a 56K or V.92 server (actual speed depends on server capabilities and line conditions) Client-to-Client Data Rates: 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, 9600, 7200, 4800, 2400, 1200, or 0–300 bps Fax Data Rates: 14,400, 12,000, 9600, 7200, 4800, 2400, or 300 bps Data Format: Serial, binary, synchronous, or asynchronous...
  • Page 9 CHAPTER 1: Specifications Interface: TIA/EIA RS-232C/ITU-T V.24/V.28 Connectors: (1) DB25 female, (3) RJ-11, (1) power connector Indicators: (1) 32-character backlit LCD for status and configuration information; (6) LEDs: Transmit Data, Receive Data, Carrier Detect, Off Hook, Terminal Ready, and Test Mode Temperature Tolerance: Operating: 32 to 120°F (0 to 49°C) ambient under closed conditions;...

  • Page 10: Overview

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 2. Overview The V.92 Dialup 2-Wire or 4-Wire Leased-Line Data/Fax Modem supports two- or four-wire leased lines. Since leased-line operation uses two client modems connected to each other, the maximum leased-line data rate is 33.6 kbps.

  • Page 11: Installation

    CHAPTER 3: Installation 3. Installation 3.1 Connect the Modem to Your System Power off your computer. Place the modem in a convenient location. Connect it to your computer’s serial port, the telephone line, the leased line, AC power, and to your telephone (optional). See Figure 3-1 for an illustration of this setup.

  • Page 12: Connect The Two-Wire Leased Line

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 3.1.3 C ONNECT THE EASED Plug one end of a two-wire phone cable into the modem’s LEASED jack. Connect the other end to a leased-line wall jack or terminals. 3.1.4 C ONNECT THE EASED Modems with a leased-line jack support the dial backup feature.

  • Page 13: Windows Nt

    CHAPTER 3: Installation 3.2.2 W INDOWS 1. Make sure your modem is connected properly, then power on your computer. Windows should detect your new modem and open the Install New Modem wizard. NOTE If Windows can’t find a modem, your modem may be powered off, it may be plugged into the wrong connector on your computer, or the serial cable may be faulty.

  • Page 14: Using The Lcd Panel

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 3.3.1 U LCD P SING THE ANEL 1. Start at the Status LCD and use ↓ to move down the menu tree to the Region Select LCD. 2. Use → to move from the Region Select LCD across the Region Settings Options LCD to the Current Setting LCD.

  • Page 15: Using The Global Wizard

    CHAPTER 3: Installation 3.3.2 U SING THE LOBAL IZARD We recommend the Global Wizard configuration utility for computers running Windows. The Wizard can configure your modem for a specific country with just a few mouse clicks. 1. Insert the modem CD into the CD-ROM drive. The Autorun dialog box appears. 2.

  • Page 16: Using The Front Panel

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 4. Using the Front Panel The V.92 Dialup 2-Wire or 4-Wire Leased-Line Data/Fax Modem operates only under the control of a communications program, such as the PhoneTools program included with the modem. It also operates under other general-purpose data communications programs, such as Windows Terminal and HyperTerminal.

  • Page 17: Lcd

    CHAPTER 4: Using the Front Panel • OH: Off-Hook. The OH indicator lights when the modem is off-hook, which occurs when the modem is dialing, online, or answering a call. The LED flashes when the modem pulse-dials. • TR: Terminal Ready. The TR indicator lights when a communication program is using the modem. It means the modem is ready for an outgoing or incoming call.

  • Page 18: Menu Overview

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 4.4 Menu Overview See Figure 4-3. →↓ See Figure 4-4. See Figure 4-5. See Figure 4-6. See Figure 4-7. See Figure 4-8. See Figure 4-9. See Figure 4-10. Figure 4-2. Menu structure.

  • Page 19: Status Trunk

    CHAPTER 4: Using the Front Panel 4.4.1 S TATUS RUNK The Status trunk shows the current operating status of the modem. Limb changes are automatic, but you can access certain options by pressing the → button. NOTE When the modem is online, pressing the → button shows the connect status, including the data speed, connection type, and compression type.
  • Page 20 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE For Status trunk options, refer to Figure 4-3 and the LCD descriptions that follow. STATUS = IDLE LCD The modem is ready but inactive. This LCD appears when the modem is first turned on, and it’s the starting point for accessing all other LCDs.
  • Page 21 CHAPTER 4: Using the Front Panel STATUS = ONLINE LCD The modem is connected to another modem. Two options are available from this LCD by pressing the → button. STATUS = →, ↓ ONLINE Option 1: CONNECT STATUS Shows the connect speed, connection type, and error correction being used. 49333, ASYNC, LAPM ←, →...

  • Page 22: Basic Options Trunk

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 4.4.2 B ASIC PTIONS RUNK Use the Basic Options trunk to configure the modem’s basic operating conditions. When entering a number, use the ↑ ← and ↓ buttons to scroll through a list of digits and characters. To go to the next position, press the →...
  • Page 23 CHAPTER 4: Using the Front Panel Figure 4-4 (continued). Menus for modem’s basic operating conditions.
  • Page 24 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE For Basic Options trunk options, refer to Figure 4-4 and the LCD descriptions that follow. Option 1: ONLINE OPTIONS The following LCDs are used to configure the modem’s online operation. ONLINE OPTIONS ←, →, ↓...
  • Page 25 CHAPTER 4: Using the Front Panel TONE/PULSE Use the → and Enter buttons to select between DTMF tone dialing and pulse dialing. This functions in the same way as the T and P commands. TONE/PULSE ←, →, ↓ BLIND/SMART DIAL OPTIONS Use the →...
  • Page 26 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Option 3: COMMAND MODE OPTIONS COMMAND MODE ←, →, ↓ OPTIONS ENABLE/DISABLE RESPONSE Use the → and Enter buttons to enable or disable sending result codes to the computer. This functions in the same way as the Q0 and Q1 commands.
  • Page 27 CHAPTER 4: Using the Front Panel ASYNC, V.25bis? See the illustration below for asynchronous transmission using the V.25bis command set. ASYNC, V.25bis? ←, →, ENT SYNC, NORM? Refer to the illustration below for normal synchronous transmission using any command set. SYNC, NORM? ←, →, ENT ASYNC, XCLK?
  • Page 28 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE V.25bis BISYNC? See the illustration below for V.25bis bisynchronous transmission. V.25bis BISYNC? ←, ENT Option 5: RESET FACTORY DEFAULTS Use the → and Enter buttons to reset Profile 0 and the modem’s active configuration to the factory defaults. This functions in the same way as the AT&F&W command string.

  • Page 29: Advanced Options Trunk

    CHAPTER 4: Using the Front Panel 4.4.3 A DVANCED PTIONS RUNK Use the Advanced Options trunk to configure RS-232, dial backup, callback security, S register, and monitor options. When entering a number or password, use the ↑ ← and ↓ buttons to select a character or digit. To go to the next position, press the →...
  • Page 30 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Figure 4-5 (continued). Menus for configuring RS-232, dial backup, callback security, S register, and monitor options.
  • Page 31 CHAPTER 4: Using the Front Panel For Advanced Options trunk options, refer to Figure 4-5 and the LCD descriptions that follow. Option 1: RS-232 OPTIONS The following LCDs are used to configure the RS-232 interface. RS-232 OPTIONS ←, →, ↓ DTR OPTIONS Use the →...
  • Page 32 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Option 2: DIAL BACKUP/LL OPTIONS The following LCDs are used to configure dial backup for four-wire leased-line operation. For more information, see Chapter 5. DIAL BACKUP/LL ←, →, ↓ OPTIONS DIAL BACKUP NUMBER Use the →...
  • Page 33 CHAPTER 4: Using the Front Panel CURRENT SETTING Use to turn off the current setting. CURRENT SETTING = ←, →, ↓ CB OFF PASSWORD SETUP Use to enter callback security passwords in memory locations 1–30. Each password must be six to ten characters in length.
  • Page 34 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE VIEW S REGISTER SETTINGS Use the →, ↓, ↑ ← , and Enter buttons to select the number of the S-register whose value you want displayed. To scroll through a list of digits, press the ↑ ← and ↓ buttons. To go to the next position, press the → button. To back up or to exit without saving, press the →...

  • Page 35: Remote Configuration Trunk

    CHAPTER 4: Using the Front Panel 4.4.4 R EMOTE ONFIGURATION RUNK Use the Remote Configuration Options trunk to enable or disable remote configuration on the modem, and to change the password. When entering the password, use the ↑ ← and ↓ buttons to scroll through the alphabet. To go to the next character position, press the →...

  • Page 36: Diagnostics Trunk

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 4.4.5 D IAGNOSTICS RUNK Use the Diagnostic Options trunk to run loopback tests on the modem. When a test is in progress, the TM indicator lights. Figure 4-7. Menus for the modem’s loopback tests. For Diagnostics trunk options, refer to Figure 4-7 and the LCD descriptions that follow.

  • Page 37: Phone Number Memory Trunk

    CHAPTER 4: Using the Front Panel 4.4.6 P HONE UMBER EMORY RUNK The modem can store up to four telephone numbers for speed dialing. Use the Phone Number Memory Options trunk to store, list, and dial these numbers. When entering a number, use the ↑ ← and ↓ buttons to scroll through the available digits and dialing commands.

  • Page 38: Caller I.d. Trunk

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Option 1: LIST PHONE NUMBERS Press the → button several times to display the phone number stored in each memory location. LIST PHONE NUMBERS ←, →, ↓ Memory locations are numbered 0–3 as shown in Figure 4-8. Option 2: ENTER PHONE NUMBERS Use the →...

  • Page 39: Region Select Trunk

    CHAPTER 4: Using the Front Panel For Caller I.D. options, refer to Figure 4-9 and the description below. CALLER I.D. ←, → OPTIONS Press the → and Enter buttons to enable formatted (FCID) or unformatted (UCID) Caller I.D. or to disable Caller I.D.

  • Page 40: Leased-Line Operation

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 5. Leased-Line Operation A leased line is a private, permanent, telephone connection between two points. Unlike normal dialup connections, a leased line is always active. The modems automatically connect when they are attached to a line and are powered on.

  • Page 41: Four-Wire Setup

    CHAPTER 5: Leased-Line Operation 8. Choose one of two actions: • To set up the modem as the originate modem, press the Enter button. • To set up the modem as the answer modem, press → to display the 2 WIRE LEASE? ANSWER LCD. Next, press the Enter button.

  • Page 42: Dial Backup And Leased-Line Restoral Setup

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 7. Choose one of two actions: • To set up the modem as the originate modem, press the Enter button. • To set up the modem as the answer modem, press → to display the 4 WIRE LEASE? ANSWER LCD. Next, press the Enter button.
  • Page 43 CHAPTER 5: Leased-Line Operation 1. For dial backup and leased-line restoral operation, connect a telephone cable to the LINE jack of a modem that’s set up for leased-line operation. Connect the other end of the cable to a standard dialup line jack.
  • Page 44 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 11. Repeat steps 9 and 10 until you have entered a value between 10 and 255, or 0 to disable dial backup. Press the Enter button to store it. The TIME STORED LCD appears. TIME STORED 12.

  • Page 45: Remote Configuration

    CHAPTER 6: Remote Configuration 6. Remote Configuration Remote configuration is a network management tool that allows you to configure modems anywhere in your network from one location. With password-protected remote configuration, you can issue AT commands to a remote modem for maintenance or troubleshooting as if you were on-site. 6.1 Basic Procedure The following steps are valid regardless of whether the connection is established by the local or the remote modem.

  • Page 46: Changing The Remote Escape Character

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 3. To change the password, press ↑ ← or ↓ to select the first character of the password, then press → to go to the next character. Repeat until you have entered the entire password. 4.

  • Page 47: Callback Security

    CHAPTER 7: Callback Security 7. Callback Security Callback security protects your network from unauthorized access and helps control long distance costs. When callback security is enabled, all callers must enter a password. If the password is invalid, the caller can try twice more before the modem hangs up.

  • Page 48: Assigning Callback Passwords

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Front-Panel Method 1. Turn on the modem. 2. Starting at the STATUS LCD (shown below), press the following buttons on the front panel to turn callback security on and off: STATUS = →, ↓...

  • Page 49: Assigning Callback Phone Numbers

    CHAPTER 7: Callback Security 3. Press the Enter button on the front panel to select callback memory location 1. The ENTER PASSWORD LCD appears. ENTER PASSWORD 4. Press the ↑ ← or ↓ button several times to select the first letter in the password. 5.
  • Page 50 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 3. To store a callback phone number in the second memory location, type AT#CBN02=xxxxxxxxxx, where xxxxxxxxxx is the dialing string. Press Enter. The memory location number in the command is increased by one.

  • Page 51: Calling Procedure

    CHAPTER 7: Callback Security WARNING There is no way to review an entry to confirm that it has been entered correctly. If you attempt to look at a number entry by pressing the Enter button for an ENTER NUMBER #n? LCD, you might accidentally erase the entry. 7.4 Calling Procedure Use the following procedure to call a modem that has callback security enabled.
  • Page 52 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE ENTER NUMBER ←, →, ENT Command: #CBNy=[-]x Store Callback Number Values: y = 01–30 x = dialing string Default: None Description: Stores the callback dialing string x in memory location y. The dialing string can include the digits 0 through 9 and any of the following characters: #, *, comma (,), semicolon (;), W, A, B, C, and D.

  • Page 53: Callback Assignments Form

    CHAPTER 7: Callback Security 7.6 Callback Assignments Form Location Password Phone Number...

  • Page 54: Troubleshooting

    • Make sure the outlet is live by plugging another known working device, such as a lamp, into it. • The modem or transformer module may be defective. If you have another Black Box modem, try swapping modems. If the problem goes away, the first modem or transformer module may be defective. Call Technical Support for assistance.

  • Page 55: The Modem Cannot Connect When Dialing

    COM port setting in your software, and try again. • The modem might have a problem beyond the scope of this user guide. If you have another Black Box modem, try swapping modems. If the problem goes away, call Technical Support.

  • Page 56: The Modem Disconnects While Online

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE • If the modem reports NO DIALTONE, make sure the modem’s telephone line cable is connected to both the modem’s LINE jack (not the PHONE jack) and the telephone wall jack. If the cable looks secure, try replacing it.

  • Page 57: The Modem Cannot Connect When Answering

    CHAPTER 8: Troubleshooting • If you were online, it might have hung up on you because of lack of activity on your part or because you exceeded your time limit for the day. Try again. 8.5 The Modem Cannot Connect When Answering •...

  • Page 58: The Modem Doesn't Work With Caller Id

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE • At speeds above 2400 bps, the remote modem might not use the same transmission or error correction standards as your modem. Try connecting at a slower speed or disabling error correction. (With no error correction, however, line noise can cause garbage characters.) •...

  • Page 59: Appendix A. Regulatory Compliance

    8. No repairs are to be made by you. Repairs are to be made only by Black Box. Unauthorized repairs void registration and warranty.

  • Page 60: Canadian Limitations Notice

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE A.2 Canadian Limitations Notice NOTICE The ringer equivalence number assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the ringer equivalence numbers of all the devices does not exceed 5.

  • Page 61: International Modem Restrictions

    APPENDIX A: Regulatory Compliance A.4 International Modem Restrictions Some dialing and answering defaults and restrictions may vary for international modems. Changing settings may cause a modem to become non-compliant with national telecom requirements in specific countries. Also note that some software packages may have features or lack restrictions that may cause the modem to become non-compliant.

  • Page 62: South African Notice

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE For automatic calls to different numbers: • The equipment shall be set to ensure that automatic calls to different numbers are spaced such that there is no less than 5 seconds between the end of one call attempt and the beginning of another. For automatically answered incoming calls: •...

  • Page 63: Appendix B. Technical Support

    • Package it carefully. We recommend that you use the original container. • If you are shipping the modem for repair, make sure you include everything that came in the original package. Before you ship, contact Black Box to get a Return Authorization (RA) number.

  • Page 64: Appendix C. Upgrading The Firmware

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Appendix C. Upgrading the Firmware Your modem is controlled by semi-permanent software, called firmware, which is stored in flash memory. Firmware is nonvolatile; that is, it remains stored in memory when the modem is turned off. However, it can be changed by either the manufacturer or the user as bugs are fixed or new features are added.
  • Page 65 APPENDIX C: Upgrading the Firmware 5. Document and clear your stored parameters. Before you flash your modem, you should record the parameters that are currently stored in it, so you can reprogram it after flashing. After you have recorded them, send the AT&F command to the modem to clear the stored parameters.
  • Page 66 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE e. When the flash upgrade is complete, the message Programming Complete appears. Click Next to continue. f. The Results dialog box appears next. Click Finish to exit Flash Wizard. 7. Restore your parameters. Open your terminal program to reprogram your modem parameters or to confirm the update by typing ATI3 in the terminal window and pressing Enter.

  • Page 67: Appendix D. Installing A Modem Under Linux

    APPENDIX D: Installing a Modem Under Linux Appendix D. Installing a Modem Under Linux This appendix explains how to install a modem on a computer operating the Red Hat Linux 6.2 operating system. Other versions of Red Hat and other Linux operating systems should be similar. Briefly, in Linux, you do not need drivers for most standard external modems and most internal ISA bus modems.
  • Page 68 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE 2. Select Internet from the menu. 3. Select Dialup Configuration Tool. 4. Select Add, and then click Next. 5. Type in the connection name and phone number, then click Next. 6.

  • Page 69: Appendix E. Pin Descriptions

    APPENDIX E: Pin Descriptions Appendix E. Pin Descriptions E.1 RS-232 Pin Descriptions Label I/O Type Signal Name/Description CGND CGND is tied common to GND on the modem’s PCB. — Transmitted Data: The DTE uses the TD line to send data to the modem for transmission over the telephone line or to transmit commands to the modem.
  • Page 70 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE Label I/O Type Signal Name/Description — — — — TCLK Transmit Clock: Output from modem, used in synchronous mode. — — RCLK Receive Clock: Output from modem, used in synchronous mode.

  • Page 71: Rs-232 Cable Pinouts

    APPENDIX E: Pin Descriptions E.2 RS-232 Cable Pinouts Table E-1. 25-pin to 25-pin RS-232 cable. DTE DB25 Connector DCE DB25 Connector 2 -----------------------------------------------------------------2 3 -----------------------------------------------------------------3 4 -----------------------------------------------------------------4 5 -----------------------------------------------------------------5 6 -----------------------------------------------------------------6 7 -----------------------------------------------------------------7 8 -----------------------------------------------------------------8 20 ---------------------------------------------------------------20 22 ---------------------------------------------------------------22 Table E-2. 9-pin to 25-pin RS-232 cable. DTE DB9 Connector DCE DB25 Connector 3 -----------------------------------------------------------------2...

  • Page 72: Leased Line Pinouts

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM USER’S GUIDE E.3 Leased Line Pinouts Table E-4. Two-wire leased-line cable. RJ-11 Modular Plug To Terminal Block Screws 2 -----------------------------------------------------------------Not connected 3 -----------------------------------------------------------------Red (Tip) 4 -----------------------------------------------------------------Green (Ring) 5 -----------------------------------------------------------------Not connected Table E-5. Four-wire leased-line cable. RJ-11 Modular Plug To Terminal Block Screws 3 -----------------------------------------------------------------Red...
  • Page 73 © Copyright 2006. Black Box Corporation. All rights reserved. 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan • 03-5471-8800 • Fax 03-5471-8822...

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