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Summary of Contents for Digital Equipment DEChub ONE
- Page 1 DEChub ONE Installation Part Number: EK–DEHU2–IN. A01 January 1994 This document describes the DEChub ONE single-slot hub and how to install DEChub full-height network modules for standalone use. Revision/Update Information: This is a new manual.
- Page 2 The postage-paid Reader’s Comments form at the back of this document requests your evaluation of this document to assist us in preparing future documentation. The following are trademarks of Digital Equipment Corporation: DEC, DEChub, DEChub ONE, DECserver, Digital, MultiSwitch, ThinWire, and the DIGITAL logo.
- Page 3 Digital Confidential Document Name...
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Page 4: Table Of Contents
......3 Acoustical Specifications ......DEChub ONE... -
Page 5: Introduction
(AUI) on the DEChub ONE can be used to connect the attached module to a standard Ethernet backbone. An optional medium attachment unit (MAU) can be connected to the DEChub ONE’s AUI port to adapt the module to a fiber-optic, ThinWire, or twisted-pair LAN connection. - Page 6 Setup port for easy configuration of attached Ethernet DEChub 900 modules. • Media flexibility available using an optional MAU to adapt Ethernet DEChub 900 modules to twisted-pair, fiber-optic, or ThinWire cables. • Supports Serial Line Internet Protocol (SLIP). • Supports Simple Network Management Protocol (SNMP). DEChub ONE...
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Page 7: Front Panel And Packaging
Front Panel and Packaging The DEChub ONE is a member of the DEChub 900 family of products. The DEChub ONE enables Ethernet, full-height, DEChub 900 modules to operate as standalone units. DEChub ONE Connectors, LED, and Optional Equipment The figure shows a network module attached to the DEChub ONE, forming a single-slot hub. -
Page 8: Back Panel
Back Panel 1) Hot-swap switch receptacle 2) 48-pin backplane connector 3) Product and certification label 4) Grounding strip 5) 160-pin backplane connector 6) Mounting slot LKG-8722-93I DEChub ONE... -
Page 9: Installing The Module
Installing the Module To install a network module into a DEChub ONE, perform the following steps. Do not connect the power cord until the module is secured to the DEChub ONE, mounted (tabletop or rack-mounted), and ready for self-test. Refer to the Mounting the Single-Slot Hub section and the Connecting the Cables section of this manual for additional information. -
Page 10: Mounting The Single-Slot Hub
(provided) on the underside of the single-slot hub, placing two foot pads on the DEChub ONE and two foot pads on the attached network module. To rack- mount a single-slot hub, with the DEChub ONE power off, follow these steps: Connect rack-mount brackets to single-slot hub. -
Page 11: Removing The Module
Removing the Module The DEChub ONE can accommodate any DEChub 900 Ethernet module and can be used anywhere that an Ethernet LAN connection is available. You can easily swap modules or disconnect the DEChub ONE by following these steps: Shut off the ac power to the DEChub ONE. -
Page 12: Connecting The Cables
Connecting the Cables This section provides information on connecting cables to the DEChub ONE and to the attached DEChub 900 module. Connect the AUI port to the LAN. Move the AUI port slide latch to the unlocked position (inward). Insert the appropriate MAU or AUI cable connector into the AUI port. -
Page 13: Aui Port Cabling
MAU in place. Note: Some non-Digital MAUs may not fit into the DEChub ONE’s AUI connector. 2) Connect the cabling (twisted-pair, ThinWire, or fiber-optic) from the MAU to the LAN. See the Front Panel and Packaging section to order a Digital MAU. -
Page 14: Setup Port Cabling And Pin Assignments
The default speed for the setup port is 9600 baud. Setup Port (Shielded MJ-8) Pin Assignments The signals for the DEChub ONE setup port connector are listed in the following table: Signal Name 1, 4, 5 No connection... -
Page 15: Obm Port Cabling And Pin Assignments
OBM Port Cabling and Pin Assignments When you connect the DEChub ONE out-of-band management (OBM) port to a data terminal equipment (DTE) device, the attached network module becomes manageable using the Simple Network Management Protocol (SNMP) over the Serial Line Interface Protocol (SLIP). Not all network modules support the OBM port. -
Page 16: Problem Solving
Problem Solving Using LEDs Table 1 provides information to help isolate problems to the DEChub ONE or the attached DEChub 900 module. Table 1: Problem Solving Using LEDs Symptom Probable Corrective Action Cause Power LED on The single-slot Ensure that the ac power cord is properly connected... -
Page 17: Product Specifications
Product Specifications Table 2 lists the DEChub ONE physical, environmental, and certification specifications. Table 2: Operating Specifications Parameter DEChub ONE With Attached Module Physical Height 44.45 cm (17.5 in) 44.45 cm (17.5 in) Width 4.45 cm (1.75 in) 4.45 cm (1.75 in) Depth 10.16 cm (4.0 in) -
Page 18: Acoustical Specifications
7779/DIN EN27779 DEHUA Current values for specific configurations are available from Digital Equipment Corporation representatives. 1 B = 10 dBa. Aktuelle Werte für spezielle Ausrüstungsstufen sind über die Digital Equipment GmbH Vertretungen erh ltlich. 1 B = 10 dBa. DEChub ONE... -
Page 19: Associated Documents
Open DECconnect Building Wiring Components and Application DEChub 900 full-height network module installation manuals MAU transceiver installation manuals: EK-DECXM-IC for ThinWire connection to the LAN EK-DEFLM-IC for fiber-optic connection to the LAN EK-DETPM-IC for twisted-pair connection to the LAN DEChub ONE... -
Page 20: Accessing Mibs, Rfcs And Release Notes
1. Use the Internet application to connect to gatekeeper.dec.com (the Internet address is 16.1.0.2). 2. Log in as user anonymous. 3. Use your electronic mail address as the password. 4. Use the command to get to the directory /pub/DEC/hub900 DEChub ONE... - Page 21 220 Type A ok. get README ftp> 200 Port 19.54 at host nnn.nn.nn.nn accepted. 150 ASCII retrieve of /pub/DEC/hub900/README started. 226 Transfer completed. 40239 (8) bytes transferred. 40239 bytes received in 23.65 seconds (5.8 Kbytes/s) quit ftp> DEChub ONE...
- Page 22 However, a few files are too large to be mailed. The following are example SUBJECT lines to obtain DDN NIC documents: HELP RFC 822 FYI 1 RFC 1119.PS NETINFO DOMAIN–TEMPLATE.TXT SEND RFC: RFC–BY–AUTHOR.TXT SEND IETF/1WG–SUMMARY.TXT SEND INTERNET–DRAFTS/DRAFT–IETF–NETDATA–NETDATA–00.TXT HOST DIIS DEChub ONE...
- Page 23 You can obtain a free diskette containing the latest DEChub Digital private MIBs and RFCs. To request a diskette, call 800–DIGITAL, press 2, and ask for presales technical support. Request the RFCs and MIBs for the appropriate DEChub module. DEChub ONE...
- Page 24 Digital’s local subsidiary or approved distributor Internal orders should be placed through Publishing and Circulation Services (P&CS), Digital Equipment Corporation, 444 Whitney Street, NRO2, Northboro, Massachusetts 01532-2597 *Any prepaid order from Puerto Rico must be placed with the Local Digital Subsidiary:...
- Page 25 DEChub ONE Installation EK-DEHU2-IN. A01 Please return this card. Your comments and suggestions will help us improve the quality and usefulness of our documentation. Did you use the manual as a reference or as a step-by-step procedure to install the device?
- Page 26 DO NOT CUT – FOLD HERE AND TAPE NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY LABEL FIRST CLASS PERMIT NO. 33 MAYNARD MASS. POSTAGE WILL BE PAID BY ADDRESSEE Telecommunications and Networks Publications 550 King Street Littleton, MA 01460–1289 DO NOT CUT –...
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