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Digital Equipment DECrepeater 900FL Installation Manual

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DECrepeater 900FL
INSTALLATION
LKG–9189-94I
DECrepeater 900FL
DEChub ONE Repeater 900FL
PK–02580–IL
The DECrepeater 900FL is a Token Ring fiber-optic repeater that operates at a
speed of 4 or 16 Mb/s. It provides conversion between fiber-optic and copper
media and it extends trunk distances using fiber-optic cable. As a member of Digi-
tal's Token Ring product family, it operates in a DEChub 900 MultiSwitch, or as a
standalone unit (DEChub ONE Repeater 900FL).
EK–DTFOR–IN. A01

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Summary of Contents for Digital Equipment DECrepeater 900FL

  • Page 1 DEChub ONE Repeater 900FL PK–02580–IL The DECrepeater 900FL is a Token Ring fiber-optic repeater that operates at a speed of 4 or 16 Mb/s. It provides conversion between fiber-optic and copper media and it extends trunk distances using fiber-optic cable. As a member of Digi- tal’s Token Ring product family, it operates in a DEChub 900 MultiSwitch, or as a...
  • Page 2 October 1994 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document.

  • Page 3: Front Panel

    Ring In port of a remote repeater. 10) Reset Switch. Resets all settings, except for the speed switch setting, to their factory defaults. To reset while turning on the power, press the reset switch with a pen or screwdriver. LKG-8970-94I DECrepeater 900FL...
  • Page 4 1 to enable Autowrap. If the Ring Out port connects to a device without Digital’s Autowrap, set the switch to 0 to disable Autowrap. 8 ) Not used. Reserved for out-of-band network management. LKG-8971-94I DECrepeater 900FL...
  • Page 5 MAU, and your other hand holding the single-slot hub, carefully pull the two units apart. Set Speed switch. Set the speed switch to 16 when the network speed is 16 Mb/s or 4 when the speed is 4 Mb/s. LKG–8972-94I DECrepeater 900FL...
  • Page 6 With power on in the hub, verify that the Power, Module OK, and Speed LEDs are on. If there is traffic on the Mounting network, the Ring A or B LED is LKG–8258-93I also on. PK–02570–IL PK–02570–IL DECrepeater 900FL...
  • Page 7 Ring Out (Tx) Ring In (Tx) Ring Out (Rx) LKG–8973-94I Ring Out (Rx) Ring In (Tx) Ring Out (Tx) Ring In (Rx) b. Once the ring becomes active, verify that the fiber-optic Ring In and Ring Out LEDs are on. DECrepeater 900FL...
  • Page 8 Auto wrap, or the port is not connected to the network. Otherwise, set the switch to 0 to disable Autowrap. Power LKG–8974-94I Supply Connect power supply. a. Connect the power supply cable to the power connector. b. Plug the power supply into a wall outlet. DECrepeater 900FL...
  • Page 9 Ring Out cables as follows: From repeater To adjacent MAU Copper Ring In Ring Out Copper Ring Out Ring In b. Once the ring becomes active, verify that the copper Ring In and Ring Out LEDs are on. LKG–8977-94I DECrepeater 900FL...
  • Page 10 When you remove a repeater from the b. Pivot the repeater back on its DEChub 900 MultiSwitch, do not turn off the bottom mounting tab until it hub power. disengages from the hub. Lift the release lever. Mounting LKG–8978-94I DECrepeater 900FL...

  • Page 11: Led Summary

    Continuous single flash: network or Ring B management disabled port. A and B alternately flash: repeater needs an upgrade or an upgrade is in progress. Scroll: During powerup self-tests, all LEDs (except for the Power LED) indicate a scrolling pattern. DECrepeater 900FL...
  • Page 12 Table 2 Maximum UTP 100-Ohm Cable Length 100-Ohm UTP Cable Speed Level 3 Level 5 4 Mb/s 150 m (491 ft) 213 m (697 ft) 16 Mb/s 60 m (196 ft) 100 m (327 ft) All distances include patch cables and hub connections. DECrepeater 900FL...

  • Page 13: Problem Solving

    RI or RO port. or the repeater’s reset switch. Repeater does not make a Fiber-optic ports are not Use a Digital fiber-optic repeater fiber-optic connection to compatible with non-Digital to make connections. non-Digital equipment. devices. DECrepeater 900FL...
  • Page 14 DECmau or DECrepeater adjacent to the vendor’s unit. Network crashes when a Vendor’s unit does not have Set Autowrap switches to 1 on the MAU or repeater fails. Digital’s Autowrap. DECmau or DECrepeater adjacent to the failed unit. DECrepeater 900FL...

  • Page 15: Product Specifications

    Certification CE, CSA, FCC, TÜV, UL, VCCI For sites above 4900 m (16,000 ft), decrease the operating temperature specification by 1.8 C for each 1000 m or 3.2 F for each 3200 ft. DECrepeater 900FL...
  • Page 16 Product Specifications This table provides acoustical specifications for the DECrepeater 900FL module. Acoustical Specifications Acoustics – Declared values per ISO 9296 and ISO 7779 Sound Pressure Level Sound Power Level , dBA (bystander positions) Product Idle/Operate Idle/Operate No acoustic noise...

  • Page 17: Associated Documents

    OPEN VMS VAX environment in selected network devices using Digital’s Network Device Upgrade (DECndu) Plus utility. OPEN DECconnect Applications Guide Contains general descriptions to help plan and EC-G2570-42 install networking systems based on Digital Equipment Corporation’s OPEN DECconnect system and networking products. DECrepeater 900FL...
  • Page 18 Printed in U.S.A.

This manual is also suitable for:

Dechub one repeater 900fl

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