DIGITAL VNswitch 900EF Installation and Configuration Part Number: EK-DVNEF-IN. C01 September 1997 This manual describes how to install and configure the VNswitch 900EF. Revision/Update Information: This is a revised document.
Page 2
Digital Equipment Corporation makes no representations that the use of its products in the manner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.
Overview Purpose of This Manual This manual describes how to install and set up the DIGITAL VNswitch 900EF module and install a Fiber Distributed Data Interface (FDDI) Modular Media Interface (Mod-FDDI) card. It also provides problem solving, connector and adapter, and pin assignment information.
Organization This manual is organized as follows: Section Description Chapter 1 Provides an overview of the VNswitch 900EF module and describes its features. Chapter 2 Provides instructions for installing the FDDI Modular Media Interface cards into the module. Chapter 3...
Conventions and Terms Conventions and Terms Overview This manual uses the following conventions: Convention Description NOTE Contains information of special interest. Indicates system output in examples. Special Type Indicates user input in examples. Boldface <Return> Indicates that you should press the Return key. Terms Used in This Manual This manual uses the following terms: Term...
Associated Documents Associated Documents The following documents provide information relating to the module. To order any of the following documents, refer to the directions in How to Order Additional Documentation. Title and Order Number Description DIGITAL MultiSwitch 900 Provides installation, use, security, and Owner’s Manual troubleshooting information for the EK-DH2MS-OM...
Page 13
Associated Documents Title and Order Number Description OPEN DECconnect Provides information to help plan and install Applications Guide networking systems based on the DIGITAL EC-G2570-42 OPEN DECconnect System and networking products. Event Logging System Describes messages logged by the Event Messages Guide Logging System.
To read the Bulletin Board System, set your modem to 8 bits, no parity, 1 stop bit and dial 978-486-5777 (U.S.). The Digital Equipment Corporation Network Products Business Home Page on the World Wide Web is at the following addresses: North America: http://www.networks.digital.com...
P.O. Box CS2008 Puerto Rico) Nashua, New Hampshire 03061 (Place prepaid orders from Puerto Rico with the local DIGITAL subsidiary: 809-754-7575) By Mail DIGITAL EQUIPMENT CORPORATION LTD. (Canada) 940 Belfast Road Ottawa, Ontario, Canada K1G 4C2 Attn: A&SG Business Manager Internationally DIGITAL EQUIPMENT CORPORATION A&SG Business Manager...
Safety Overview The cautions that must be observed for the hardware described in this manual are listed in this section in English, German, French, and Spanish. Any warning or caution that appears in this manual is defined as follows:. WARNING Contains information to prevent personal injury.
Precautions Precautions WARNING Some fiber-optic equipment can emit laser or infrared light that can injure your eyes. Never look into an optical fiber or connector port. Always assume the cable is connected to a light source. VORSICHT Bestimmte Lichtleitergeräte können für die Augen gefährliches Laser- oder Infrarotlicht abstrahlen.
Page 19
Precautions CAUTION Static electricity can damage modules and electronic components. DIGITAL recommends using a grounded antistatic wrist strap and a grounded work surface when handling any modules. ACHTUNG Module und elektronische Komponenten können durch elektrostatische Entladungen beschädigt werden. Benutzen Sie immer eine antistatische Gelenkmanschette und eine geerdete Arbeitsunterlage, wenn Sie am offenen Gerät arbeiten.
Overview Introduction This chapter describes the features of the DIGITAL VNswitch 900EF module. For further technical information on the VNswitch 900EF, refer to VNswitch 900 Series Technical Overview and VNswitch 900 Series Switch Management. In This Chapter This chapter consists of the following topics:...
What Is the DIGITAL VNswitch 900EF? What Is the DIGITAL VNswitch 900EF? The VNswitch 900EF (also referred to in this manual as the module) is a high- throughput, Simple Network Management Protocol (SNMP) manageable, multiport network switch for linking Ethernet LANs with other Ethernet LANs or a Fiber Distributed Data Interface (FDDI) backbone.
Page 23
MultiSwitch 900 backplane LAN. Also, Ethernet port 12 can be redirected to the MultiSwitch 900 backplane LAN segment or to other backplane LANs. When the VNswitch 900EF module is connected to a DEChub ONE docking station, a user can configure either the DEChub ONE AUI port or the module’s front panel port 11 as an active Ethernet interface.
Features Features The following sections describe the features of the VNswitch 900EF switch. For further information, refer to the VNswitch 900 Series Technical Overview. Hot Swap The DVNEF-MX module supports the hot-swap feature. With hot-swapping capabilities, you can perform the following functions without turning off the power.
Features Bridging The following bridging features and options are available: • High-speed, local traffic filtering and forwarding • Full line-rate bridge forwarding − up to 750,000 packets-per-second per module • Spanning tree loop detection protocol, IEEE 802.1d compliant • Support for multiple spanning trees with the ability to turn off the spanning tree algorithm on an individual port FDDI The following FDDI features are available:...
• Half- and full-duplex Ethernet operation over all ports. SNMP The VNswitch 900EF has a built-in SNMP agent and manageability using any generic SNMP management application that supports the MIBs listed below: — MIB II (RFC 1213) — Interfaces Group of MIB II (RFC 1573) —...
Features VLAN Secure Domains The VLAN secure domains (VSD) support has the following features: • Ability to group ports into VSDs. • Ability to join VSDs in different VNswitch modules across the VNbus. • Support of port groups within a MultiSwitch 900 to create larger distributed multicast domains.
Introduction This chapter explains how to install FDDI Modular Media Interface (Mod-FDDI) cards into the MX version of the DIGITAL VNswitch 900EF module. For detailed information on the available cards, refer to the FDDI Modular Media Interface Cards Installation manual.
Check the VNswitch 900 Series release notes shipped with the module for important information not included in this manual. Required Tools Digital Equipment Corporation recommends the use of, but does not supply, the following tools to install the cards: •...
Removing the Slot Cover Removing the Slot Cover To remove the slot cover from the module (Figure 2-1), complete the following steps: Step Action Use a Phillips-head screwdriver to loosen the two screws that hold the slot cover in place. Save the slot cover for future use.
Installing the Card Installing the Card To install the card into your module (Figure 2-2), complete the following steps: Step Action Attach one end of an antistatic wrist strap to your wrist and the other end to a chassis ground. CAUTION: Static electricity can damage modules and electronic components.
Installing the Card Figure 2-2: Installing the Card NPB-0703-96F Depending on the type of connector used on the card, differences exist in the way you attach and remove the cables. For cable connection information for the Mod-FDDI card, refer to the FDDI Modular Media Interface Cards Installation manual. Installing Modular Media Interface Cards 2-5...
Removing the Card Removing the Card To remove a card from the host module (Figure 2-3), complete the following steps: Step Action Attach one end of an antistatic wrist strap to your wrist and the other end to a chassis ground. CAUTION: Static electricity can damage modules and electronic components.
Introduction This chapter describes the front and back panel components of the DIGITAL VNswitch 900EF and provides instructions for installing the module into a DIGITAL MultiSwitch 900 (formerly DEChub 900 MultiSwitch). To install a module into a DEChub ONE or DEChub ONE-MX docking station, refer to DEChub ONE Installation or DEChub ONE-MX Installation.
Module Components Module Components This section describes the front and back panel components of the VNswitch 900EF module. Table 3-1 describes the front panel components, including the icons, that are on the module illustrated in Figure 3-1. Table 3-2 describes the back panel components, illustrated in Figure 3-2.
Module Components Front Panel Features Table 3-1 describes the VNswitch 900EF front panel features shown in Figure 3-1. Table 3-1: Front Panel LEDs and Connectors Item Icon Name Description Power LED Lights when the module has power. Module OK Lights when the module passes self-test.
Page 40
Shows the status of the modPMD or the Mod FDDI card A/M or B/S ports. Indicates if the port is enabled or disabled and receiving a valid link. Port Activity Indicates network traffic level. (continued on next page) 3-4 Installing the DIGITAL VNswitch 900EF...
Page 41
In a treed topology, the top port is the M port, and the bottom port is the S port. FRU Status Indicates the operational status of the ModPMD card. PHY LED Indicates the connection status of the ModPMD card. Installing the DIGITAL VNswitch 900EF 3-5...
Module Components Back Panel Features Table 3-2 lists the features on the back panel (Figure 3-2) of the VNswitch 900EF. Table 3-2: Back Panel Feature Descriptions Item Name Description Locking tab Locks the module into a MultiSwitch 900 backplane or into a DEChub ONE docking station.
Manual, formerly the DEChub 900 MultiSwitch 900 Owner’s Manual). Figure 3-3: Sample Power Ratings 46.8 W 7.8 A Available: 90.5 W 0.12 A 12 V 5V: 13.0 A, 15V: 3.5 A 0.52 A 15 V NPB-0717-96F Installing the DIGITAL VNswitch 900EF 3-9...
Pivot the module on the mounting tab, align the connectors, and firmly push the module onto the backplane connectors. Press down on the release lever (3) to ensure that it is locked. Figure 3-4: Seating the Module NPB-0004-95F 3-10 Installing the DIGITAL VNswitch 900EF...
The module runs a self-test. Note: The self-test takes 30 to 60 seconds to complete. After the module completes self-test, the Module OK LED lights and remains lit. The Chassis Manager status display shows VNswitch 900EF. Installing the DIGITAL VNswitch 900EF 3-11...
How to Install the Module Task 4: Connect the UTP/ScTP Cable The VNswitch 900EF uses crossover, 10BaseT, 8-pin MJ port connectors for Ethernet. Before connecting the cables to the module, note the following rules If the device you are connecting Then use…...
Align the release tab on the cable plug (1), with the keyway on the module’s 10BaseT port connector. Insert the plug into the connector, ensuring that the release tab snaps into the locked position. Figure 3-6: LDM Port Cable Connection Ethe rnet NPB-0484-96F Installing the DIGITAL VNswitch 900EF 3-13...
Make sure that the bend radius of any fiber-optic cable is 2.5 cm (1 inch) or greater. To avoid optical power loss, do not touch the fiber ends. Figure 3-7: Connecting the ANSI Multimode Fiber-Optic Cables Ethe rnet NPB-0721-96F 3-14 Installing the DIGITAL VNswitch 900EF...
How to Install the Module Task 7: Connect the OBR Cable (DVNEF-MM Only) For OBR cable installation instructions, refer to the documentation included with the OBR. Installing the DIGITAL VNswitch 900EF 3-15...
The setup port on the DIGITAL MultiSwitch 900 (formerly DEChub 900 MultiSwitch) or the DEChub ONE docking station allows you to access and set DIGITAL VNswitch 900EF parameters. This chapter describes how to access the module from either port and how to set those parameters.
Setup Port Signaling Standards Setup Port Signaling Standards Signals from the MultiSwitch 900 Chassis Manager setup port and from the DEChub ONE docking station setup port conform to the EIA-232D signaling standard at 9600 baud. To the user, the port appears as a data terminal equipment (DTE) device. The MultiSwitch 900 Chassis Manager setup port is compatible with devices that use the EIA-423 signaling standard.
Setup Port Device Cabling Setup Port Device Cabling The setup port (Figure 4-1) on the DIGITAL MultiSwitch 900, the DEChub ONE, or DEChub ONE-MX docking station can be connected to a setup port device (a terminal or personal computer) by using the following cables and adapters: If the setup port Use this cable…...
Connecting to the Setup Port Connecting to the Setup Port To connect to the setup port on the module, complete the following steps: Step Action Ensure that the transmit and receive baud rates on the setup port device are set to 9600 baud. Connect the setup port device to the setup port connector on either the DIGITAL MultiSwitch 900 or the DEChub ONE docking station (Figure 4-1).
Connecting to the Setup Port Figure 4-1: Setup Port Cabling Components DEChub ONE DIGITAL MultiSwitch 900 DEChub ONE-MX H8571-J BN24H H8575-A NPG-0020-95F After all cables are connected, go to one of the following chapters: Go to Configure the module in a DEChub ONE Chapter 5 Configure the module in a DIGITAL Chapter 6...
Configuring the Module in a DEChub ONE Overview Introduction This chapter describes how to configure your DIGITAL VNswitch 900EF when it is installed in a DEChub ONE docking station. For further configuration information, refer to VNswitch 900 Series Switch Management.
• Through clearVISN MultiChassis Manager The setup port provides menus that allow you to access the VNswitch 900EF module. These menus allow you to set up the module for basic connectivity. After setup, you can configure the module’s software using commands. You can access these commands remotely via TCP/IP Telnet, or locally through the setup port on a DEChub ONE docking station.
Using Menus to Configure the Module Using Menus to Configure the Module This section describes the options that are available from the VNswitch 900EF INSTALLATION MENU when the module is installed in the DEChub ONE docking station. Depending on the configuration state of the module, some options may vary.
This action deletes all configured settings and replaces them with factory default values. All configuration settings are lost. The following example shows the dialog associated with this option: VNswitch 900EF ========================================================== RESET WITH FACTORY DEFAULTS * * * * * * * * * * * * * * * * * * * * * * * * *...
Allow approximately one minute for the module to restart. The following example shows the dialog associated with this option: VNswitch 900EF ============================================================= RESET WITH CURRENT SETTINGS This selection will reset your system with the current configuration settings.
The following example shows the dialog associated with this option: VNswitch 900EF ================================================================= VNswitch 900EF, 12 enet, 1 FDDI, #1083,SW=v 1.0 SysUpTime : 6 days 00:03:18 28 resets SNMP Read/Write Community : public...
900EF INSTALLATION MENU. Allow approximately one minute for the module to restart and complete self test. The following example shows the dialog associated with this option: VNswitch 900EF ========================================================= IP CONFIGURATION * * * * * * * * * * * * * * * * * * * * * * * * * * *...
This option prompts you to enter the module’s read/write community name. The community name can be used for read/write access control. The read/write community name is case sensitive. The default is public. The following example shows the dialog associated with this option: VNswitch 900EF ================================================================ SET SNMP READ/WRITE COMMUNITY Format:...
The factory default setting is no in-band address. The following example shows the dialog associated with this option: VNswitch 900EF ================================================================ IN-BAND INTERFACE IP ADDRESS CONFIGURATION Format: The standard 4 octet dotted decimal notation in which...
See DEChub ONE Installation or DEChub ONE-MX Installation for OBM port cabling information. The following example shows the dialog associated with this option: VNswitch 900EF ========================================================= OUT-OF-BAND INTERFACE IP ADDRESS CONFIGURATION Format: The standard 4 octet dotted decimal notation in which each octet of the address is represented as a decimal value, separated by a ’.’...
The default gateway address must be an address in the same subnet as your in-band address. The following example shows the dialog associated with this option: VNswitch 900EF =========================================================== SET IN-BAND INTERFACE DEFAULT GATEWAY ADDRESS...
[5] Go to Local Console [5] Go to Local Console To perform additional configurations on the module, select [5] Go To Local Console from the VNswitch 900EF INSTALLATION MENU. The system will display the copyright statements and the following prompt: MOS Operator Control From the * prompt, you can perform additional configuration.
Chapter 6 Configuring the Module in a DIGITAL MultiSwitch 900 Overview Introduction This chapter describes how to configure your DIGITAL VNswitch 900EF module when it is installed in a DIGITAL MultiSwitch 900 (formerly DEChub 900 MultiSwitch). In This Chapter Topic...
Install the module into a slot on the DIGITAL MultiSwitch 900. Redirect the DIGITAL MultiSwitch 900 Chassis Manager (formerly Hub Manager) setup port to the VNswitch 900EF slot. Select the IP Configuration option from the menu. Set the in-band IP address.
DIGITAL MultiSwitch 900 INSTALLATION MENU DIGITAL MultiSwitch 900 INSTALLATION MENU The following example shows the DIGITAL MultiSwitch 900 INSTALLATION MENU. To access the module’s setup screen, you must choose option [9] Start Redirect Mode. DIGITAL MultiSwitch 900 ========================================================= DIGITAL MultiSwitch 900 INSTALLATION MENU Reset with Factory Defaults Reset with Current Settings Show Current Settings...
Chassis Manager setup port to the setup port of any network module (such as the VNswitch 900EF) that is installed into the MultiSwitch 900. This option allows you to configure or obtain status of an installed network module by accessing the specified network module’s installation menu.
Using Menus to Configure the Module Using Menus to Configure the Module The following screen shows the options available from the VNswitch 900EF INSTALLATION MENU when the module is operating in a MultiSwitch 900 configuration. Depending on the configuration state of the module, some options may vary.
This action deletes all configured settings and replaces them with factory default values. All configuration settings will be lost. The following example shows the dialog associated with this option: VNswitch 900EF - slot 3 ========================================================== RESET WITH FACTORY DEFAULTS * * * * * * * * * * * * * * * * * * * * * * * * * *...
NOTE Allow approximately one minute for the module to restart. The following example shows the dialog associated with this option: VNswitch 900EF - slot 3 ============================================================= RESET WITH CURRENT SETTINGS This selection will reset your system with the current configuration settings.
This option shows the module’s current settings. If the module is being configured for the first time, some fields are blank. The following example shows the display associated with this option: VNswitch 900EF - slot 3 ==================================================================== VNswitch 900EF, 12 enet, 1 FDDI, #1083 SW=v1.0 SysUpTime : 6 days 00:03:18 28 resets...
For any of the IP Configuration menu options to take effect, the module needs to be restarted. Use [2] Restart with Current Settings from the VNswitch 900EF INSTALLATION MENU. Allow approximately one minute for the module to restart and complete self-test.
The read/write community name is case sensitive. The default is public. The following example shows the dialog associated with this option: VNswitch 900EF - slot 3 ================================================================ SET SNMP READ/WRITE COMMUNITY...
You do not need to configure the module with a subnet mask for SNMP communications with management stations located on the same subnet as the module. The following example shows the dialog associated with this option: VNswitch 900EF - slot 3 ================================================================ IN-BAND INTERFACE IP ADDRESS CONFIGURATION...
OBM port located on the MultiSwitch 900. To enable out-of-band management, you need to assign an OBM IP address. The following example shows the dialog associated with this option: VNswitch 900EF - slot 3 ================================================================ OUT-OF-BAND INTERFACE IP ADDRESS CONFIGURATION...
The default gateway address must be in the same subnet as your in-band address. The following example shows the dialog associated with this option: VNswitch 900EF - slot 3 =========================================================== SET IN-BAND INTERFACE DEFAULT GATEWAY ADDRESS...
[5] Go to Local Console [5] Go to Local Console To perform additional configurations on the module, select [5] Go To Local Console from the VNswitch 900EF INSTALLATION MENU. The system will display the copyright statements and the following prompt: MOS Operator Control From the * prompt, you can perform additional configuration.
[10] Product-Specific Options [10] Product-Specific Options This option provides product-specific selections when you are using a DIGITAL MultiSwitch 900. When selected, the option allows you to enable and disable the automatic VNbus connection. DIGITAL MultiSwitch 900 ======================================================= PRODUCT-SPECIFIC OPTIONS [1] Enable/Disable Automatic VNbus Connection [2] Return to Main Menu Enter selection number : 1 <Return>...
This chapter describes how to remove the DIGITAL VNswitch 900EF module from a DIGITAL MultiSwitch 900 (formerly DEChub 900 MultiSwitch). To remove the VNswitch 900EF from a DEChub ONE docking station, refer to the DEChub ONE Installation manual or the DEChub ONE-MX Installation manual.
Removing the 10BaseT Cables Removing the 10BaseT Cables Before unseating the module, the UTP/ScTP and LDM cables must be removed. To remove the cables (Figure 7-1 and Figure 7-2), complete the following steps: Step Action Press the release tab (1) on the side of the connector Pull out the cable.
Removing the ANSI Multimode Fiber-Optic Cables (DVNEF-MM Only) Removing the ANSI Multimode Fiber-Optic Cables (DVNEF-MM Only) To remove the ANSI multimode fiber-optic cables (Figure 7-3), complete the following steps: Step Action Press the locking clips (1) on the cable plug. Disconnect the cable.
Unseating the Module Unseating the Module To unseat the module from the DIGITAL MultiSwitch 900 (Figure 7-4), complete the following steps: Step Action Lift the release lever (1) at the top of the DIGITAL MultiSwitch 900 slot. While holding up the release lever (2), pivot the module back on its bottom mounting tab.
Appendix A Problem Solving Overview Introduction This appendix describes how to diagnose and solve problems with the module using the light-emitting diode (LED) displays. In This Appendix Topic Page Normal Power-up LED Descriptions Problem Solving Using LEDs Problem Solving A-1...
Normal Power-up Normal Power-up When the module’s power is initially turned on, the following events occur: Event Description The module's Power LED lights as soon as power is applied to the unit. The module initiates its built-in self-test. Flashing Port State LEDs and Port Activity LEDs indicate that the module is running various subroutines as part of the self-test.
LED Descriptions LED Descriptions The module’s LEDs provide dynamic indications of the status of the module. The LEDs can be in various states (on, off, or flashing), and can change color (green or yellow) depending on the operational status of the module or the level of activity on the network.
Page 94
LED Descriptions On (Green) On (Yellow) Flashing Port Status No valid link is Port is enabled Port failure. (Green) LEDs being received onto the front Port is on the port. panel and is management receiving a valid No cable is disabled for link.
Problem Solving Using LEDs Problem Solving Using LEDs When diagnosing a problem with the module, note that the problem is often indicated by the combined states of the module LEDs. Table A-2 and Table A-3 list the typical combined states of the LEDs for various error conditions that can occur during initial installation of the device, along with probable causes and corrective actions to take.
Page 96
Problem Solving Using LEDs Symptom Probable Cause Corrective Action Module A nonfatal error Contact your service representative. OK LED is occurred. flashing, but module continues to operate normally. VNbus No connection. Check that the module is properly Status LED attached to one of the backplane is off.
Problem Solving Using LEDs Symptom Probable Cause Corrective Action Port There is low or no port Ensure that the port is present. If the Activity activity. Port Activity LED still fails to turn LEDs are on, then turn the module off off.
Page 98
Problem Solving Using LEDs Symptom Probable Cause Corrective Action PHY LED is The card is working No action necessary. green. properly and a link is established. PHY LED is The link error rate limit has Perform loopback testing to yellow. been exceeded.
Appendix B Connectors and Adapters Overview This appendix provides information on the connectors, their pin assignment, and adapters used on the DIGITAL VNswitch 900EF module. In This Appendix Topic Page Connectors and Pin Assignments ANSI Multimode Fiber-Optic Cable and Connector Information...
Connectors and Pin Assignments Connectors and Pin Assignments 10BaseT Port (8-Pin MJ) Crossover Connector The VNswitch 900EF module uses crossover connectors for its twelve 10BaseT front panel ports. Figure B-1 shows the 8-pin MJ crossover connector and its pin assignments.
Connectors and Pin Assignments 10BaseT Port (8-Pin MJ) Straight-Through Connector The VNswitch 900EF module uses a straight-through connector for its LDM 10BaseT front panel port. Figure B-2 shows the 8-pin MJ straight-through connector and its pin assignments. Figure B-2: 8-Pin MJ Straight-Through Connector NPG-8719-95F Table B-2 lists the pin assignments for the 8-pin MJ straight-through connector.
Connectors and Pin Assignments Optical Bypass Relay Port (6-pin MJ) Connector (DVNEF-MM Version Only) WARNING To prevent personal injury or equipment damage, do not insert telecommunications cabling into the optical bypass relay connector. Figure B-3 shows the 6-pin MJ connector and its pin assignments. Figure B-3: 6-Pin MJ Connector NPB-0549-96F Table B-3 lists the pin assignments for the 6-pin MJ connector.
ANSI Multimode Fiber-Optic Cable and Connector Information ANSI Multimode Fiber-Optic Cable and Connector Information The following ANSI multimode fiber-optic cables and loopback connectors are available from DIGITAL: Cable Description Order Number FDDI to FDDI BN24B-xx FDDI to 2.5 ST-type BN24D-xx Loopback connector 12-32005-01 1 The symbol xx represents the cable length.
ANSI Multimode Fiber-Optic Cable and Connector Information Port Keying DIGITAL BN24B and BN24D cables are color-key coded on the top of the duplex connector as follows: Convention Description PHY A ports Blue PHY B ports Green PHY M ports Figure B-6 shows the keying for the receptacles and plugs. Figure B-6: Port Keying PHY A PHY B...
Overview This appendix lists the specifications for the DIGITAL VNswitch 900EF module. It also provides a list of connectors for the VNswitch 900EF module, the DIGITAL MultiSwitch 900 (formerly DEChub 900 MultiSwitch), and the DEChub ONE and the DEChub ONE-MX docking stations.
Page 108
Product Specifications Product Specifications Table C-1 lists the product specifications for the module. Table C-1: Product Specifications Parameter Specification Environment 5°C to 50°C (41°F to 122°F) Operating temperature Relative humidity 10% to 95% noncondensing Altitude • Operating Sea level to 4267 m (14,000 ft) •...
Page 109
Schalleistungspegel Schalldruckpegel , dBA (Zuschauerpositionen) Leerlauf/Betrieb Leerlauf/Betrieb DVNEF 5, 1 DVNEF + 5, 4 DEHUA DVNEF + 5, 3 DEF1H Aktuelle Werte für spezielle Ausrüstungsstufen sind über die Digital Equipment Vertretungen erhältlich. 1 B = 10 dBA. Product Specifications C-3...
Connectors Connectors Table C-4 provides a list of connectors for the VNswitch 900EF module, the DIGITAL MultiSwitch 900, and the DEChub ONE and DEChub ONE-MX docking stations. Table C-4: Connectors Connectors Quantity VNswitch 900EF 8-pin MJ (10BaseT) 6-pin MJ, optical bypass relay (available only on...
Need help?
Do you have a question about the VNswitch 900EF and is the answer not in the manual?
Questions and answers