Black Box 3270 Manual
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Black Box 3270 Manual

Black Box 3270 Manual

Repeater-fiber
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OCTOBER 2001
IC264A
3270 Repeater—Fiber
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com

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  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 FCC AND IC RFI STATEMENTS FEDERAL COMMUNICATIONS COMMISSION INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate 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 communication. It 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 against such interference...
  • Page 3 3270 REPEATER—FIBER NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 4 NOM STATEMENT 10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor. 11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato.
  • Page 5 3270 REPEATER—FIBER TRADEMARKS USED IN THIS MANUAL ® is a registered trademark of International Business Machines Corporation. ® is a registered trademark of American Telephone and Telegraph Company. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

  • Page 6: Table Of Contents

    6.1 Before Calling for Technical Support ..21 6.2 Calling Black Box ..... . 23...

  • Page 7: Specifications

    3270 REPEATER—FIBER 1. Specifications 1.1 3270 Repeater—Fiber Host Connection: IBM ® 317x or 327x cluster controller Distance: Repeater to repeater over fiber optic cable: 6561 ft. (2000 m); Repeater to workstation: 900 ft. (274.3 m) Indicators: (3) Status LEDs: Power, UTP/STP-Coax,...

  • Page 8: Fiber Optic Cable

    CHAPTER 1: Specifications 1.2 Fiber Optic Cable The physical characteristics of the fiber cable must meet or exceed the following. 1.2.1 M ULTIMODE Fiber Optic Cable recommended: 62.5/125-µm multimode fiber Transmitter Power: Minimum -19.0 dBm; Maximum -14.0 dBm Receiver Sensitivity: Minimum -32.5 dBm; Maximum -14.0 dBm Wavelength: 850 nm Bit Error Rate: ≤10...

  • Page 9: Twisted-Pair Cable And Connector

    3270 REPEATER—FIBER Receiver Sensitivity: Minimum -32.5 dBm; Maximum -13.0 dBm Wavelength: 1300 nm Bit Error Rate: ≤10 Maximum Cable Distance: 8 km (4.9 mi.) 1.3 Twisted-Pair Cable and Connector Category 3 wire or better is required; Category 5 wire is recommended.

  • Page 10: Category 5

    Minimum UTP/STP Cable Distance: 1.8 m (5.9 ft.) Maximum UTP/STP Cable Distance: 762 m (2500 ft.) NOTE The active pair in a twisted-pair copper 3270-compliant network are pins 4 and 5. Use only dedicated wire pairs (such as blue/white and white/blue, orange/white and white/orange) for the active pins.

  • Page 11: Cable

    3270 REPEATER—FIBER 1.4 RG-62 Cable Cable Type: Coaxial RG-62 Impedance: 93 Ω @ 10 MHz Mutual Capacitance: 13 pF/ft. ±20% @ 10 MHz Maximum Cable Distance: 307 m (1007 ft.) Minimum Distance/Connection: 1.8 m (5.9 ft.)

  • Page 12: Introduction

    CHAPTER 2: Introduction 2. Introduction The 3270 Repeater—Fiber supports all IBM 3270- compliant devices and extends the signal distance of a 317x or 327x cluster controller to terminal links. The Repeater provides an RJ-45 twisted-pair connector to copper cable, a BNC connector to coaxial cable, and a set of RX (receive) and TX (transmit) ST connectors to multimode fiber optic cable.

  • Page 13: Installation

    3270 REPEATER—FIBER 3. Installation NOTE All cable connections to the Repeater must be at least 1.8-m (6-ft.) long. Host 317x/327x Terminal Repeater Repeater Fiber STEP 2: Connect the Repeater near the host STEP 1: Connect the host signal STEP 3: Connect the Repeater near the to the Repeater near the terminal device.
  • Page 14 1) with male RJ-45 plug connectors at both cable ends. NOTE Install a balun (Black Box part number 50370) between the RJ-45 cable and the coax connector. • Install the balun at the host coax connector. • Connect the male RJ-45 plug connector at one end of the twisted-pair cable to the balun on the host coax connector.
  • Page 15 3270 REPEATER—FIBER • Install the other end of the cable to the female BNC connector on the Repeater. Repeater Host 317x/327x Figure 3-2. Step 1. Connect the host signal to the Repeater. 2. Connect the Repeater near the host to the Repeater near the terminal device.
  • Page 16 CHAPTER 3: Installation • Connect the other end of that fiber cable to the second Repeater’s TX connector. Repeater Repeater Figure 3-3. Step 2. Connect the host signal to the Repeater near the host to the Repeater near the terminal device. 3.
  • Page 17 3270 REPEATER—FIBER • Connect the male RJ-45 plug connector at the other end of the cable to the balun on the terminal device. Coaxial: • Connect the male coax connector on one end of the cable to the female connector marked “Coax”...
  • Page 18 CHAPTER 3: Installation 4. Connect the Repeater to power. • Locate the correct power supply adapter for site installation. • Connect the Repeater’s power connector at the end of the power supply adapter cord to the Repeater’s power receptacle. • Connect the 2-prong or 3-prong external power connector on the other end of the power supply adapter cord to external AC power.

  • Page 19: Operation

    3270 REPEATER—FIBER 4. Operation Table 4-1. Status LEDs. Description Power Steady green LED indicates connection to external AC power. UTP/STP—Coax Blinking green LED indicates network traffic on the unshielded or shielded twisted-pair link or on the coaxial cable. Fiber Blinking green LED indicates network traffic on the fiber link.

  • Page 20: Application

    2. In pairs that extend network distance, through twisted-pair copper cable, an RJ-45 connector, and balun, and through fiber and coax cable to a 3270 compliant terminal device. 3. In pairs that connect, through coax cable and through fiber, an IBM 317x or 327x cluster controller and a 3270-compliant terminal device.

  • Page 21: Typical Application

    3270 REPEATER—FIBER 5.2 Typical Application Multimode: up to 2 km Single-mode: up to 8 km Up to 307 m Up to 307 m 3. BNC connection to terminal device Up to 762 m Multimode: up to 2 km Single-mode: up to 8 km...

  • Page 22: Troubleshooting

    120 volts, 60 Hz USA/Canada/Mexico 100 volts, 50-60 Hz Japan 240 volts, 50 Hz Australia • Is the power adapter properly installed in the Repeater and in the outlet? • Call Black Box Technical Support at 724-746-5500. • Proceed to step 2.
  • Page 23 • Check the RJ-45 connector for correct twisted-pair cable configuration. • Check the configuration switch for correct (twisted-pair) setting. • Call Black Box Technical Support at 724-746-5500. Coax: • Check the coax cables for proper connection. • Check the configuration switch for correct (coax) setting.

  • Page 24: Calling Black Box

    • Call Black Box Technical Support at 724-746-5500. • Call Black Box Technical Support at 724-746-5500. 6.2 Calling Black Box If you determine that your 3270 Repeater—Fiber is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box at 724-746-5500.

  • Page 25: Shipping And Packaging

    3270 REPEATER—FIBER • the nature and duration of the problem. • when the problem occurs. • the components involved in the problem. • any particular application that, when used, appears to create the problem or make it worse. 6.3 Shipping and Packaging If you need to transport or ship your Repeater: •...
  • Page 26 © Copyright 2001. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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