x600 Series Layer 3 Gigabit Ethernet Switches x600-24Ts x600-24Ts/XP x600-48Ts x600-48Ts/XP ◆ Installation Guide 613-001065 Rev.
Copyright © 2008 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc. Allied Telesis and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners. Allied Telesis, Inc.
Electrical Safety and Emissions Standards This product meets the following standards. U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Translated Safety Statements Important: The indicates that a translation of the safety statement is available in a document entitled Translated Safety Statements for the x600 Series Layer 3 Gigabit Ethernet Switches (613000990).
Contents Preface .............................................................................................................................................................. 7 Product Documentation ...................................................................................................................................... 8 Starting a Management Session ........................................................................................................................
Contents Unpacking a Switch .......................................................................................................................................... 38 Installing the Power Cord Retaining Clip .......................................................................................................... 39 Installing the Switches in an Equipment Rack .................................................................................................. 40 Resetting the Switch ......................
Preface This guide contains the installation instructions for the x600 Series Layer 3 Gigabit Ethernet Switches.
Preface Product Documentation For overview information about the software features of the AlliedWare PlusTM Operating System Software which runs on the x600 Series Switches, refer to: 8 AlliedWare PlusTM Operating System Software Reference Guide
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Starting a Management Session For instructions that describe how to start a local management session on an x600 switch, refer to the “Starting a Local Management Session” on page 53. For information that describes how to log onto the AlliedPlusTM Operating System Software, see the AlliedWare PlusTM Operating System Software Reference Guide.
Preface Safety Symbols Used in this Document This document uses the safety symbols defined in Table 1. Table 1. Safety Symbols Symbol 10 Meaning Description Caution Performing or omitting a specific action may result in equipment damage or loss of data. Warning Performing or omitting a specific action may result in electrical shock.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Where to Find Web-based Guides The installation and user guides for all Allied Telesis products are available in portable document format (PDF) on our web site at www.alliedtelesis.com. You can view the documents online or download them onto a local workstation or server.
Preface Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales and corporate information. Online Support You can request technical support online by accessing the Allied Telesis Knowledge Base: www.alliedtelesis.com/support/kb.aspx. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions.
Chapter 1 Overview This chapter contains the following sections: “Introduction” on page 14 “Switch Descriptions” on page 15 “10/100/1000Base-T Twisted Pair Ports” on page 19 “SFP Transceiver Slots” on page 21 “XFP Transceiver Slots” on page 22 “Redundant Twisted Pair Ports” on page 23 “SD Card Slot” on page 24 “Port LEDs” on page 25 “System LEDs” on page 27 “Stack LEDs” on page 28 “Terminal Port” on page 30 “Secure Digital LEDs” on page 29 “AT-RPS3204 Red
Chapter 1: Overview Introduction The x600 Series Switches are managed Gigabit Ethernet switches that acts as standalone units. There are four Basic Layer 3 switches in the series: x600-24Ts Switch x600-24Ts/XP Switch x600-48Ts Switch x600-48Ts/XP Switch The x600-24Ts and the x600-24Ts/XP switches both have 24 10/100/1000Base-T ports. The x600-48Ts and the x600-48Ts/XP switches both have 44 10/100/1000 Base-T ports.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide Switch Descriptions The following sections describe the x600-24Ts, x600-24Ts/XP, x600-48Ts, x600-48Ts/XP Series Layer 3 Gigabit Ethernet Switches.
Chapter 1: Overview x600-24Ts/XP Switch The x600-24Ts/XP switch has the following hardware features: 24 10/100/1000Base-T ports Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots Two 10 Gigabit Ethernet small form factor pluggable (XFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management One SD slot supporting 512KB and 1GB SD cards Status LEDs for the ports, transceiver slots, and system Redundant power supply connecto
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide x600-48Ts Switch The x600-48Ts switch has the following hardware features: 44 10/100/1000Base-T ports Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management One SD slot supporting 512KB and 1GB SD cards Status LEDs for the ports, transceiver slots, and system Redundant power supply connector Expansion slot for the AT-StackXG S
Chapter 1: Overview x600-48Ts/XP Switch The x600-48Ts/XP switch has the following hardware features: 44 10/100/1000Base-T ports Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots Two 10 Gigabit Ethernet small form factor pluggable (XFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management One SD slot supporting 512KB and 1GB SD cards Status LEDs for the ports, transceiver slots, and system Redundant power supply connecto
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide 10/100/1000Base-T Twisted Pair Ports This section describes the twisted pair ports on the switches. Connector Type Speed The ports are 8-pin RJ-45 connectors that use four pins at 10 or 100 Mbps and all eight pins at 1000 Mbps. For the pin assignments, refer to “RJ-45 Twisted Pair Port Pinouts” on page 67. A port’s speed can be 10, 100, or 1000 Mbps.
Chapter 1: Overview Cable Type Auto-MDI/ MDI-X The cabling requirements for a 10/100/1000Base-T port are: For 10 Mbps operation: Standard TIA/EIA 568-B-compliant Category 3 or better shielded or unshielded cabling with 100 ohm impedance and a frequency of 16 MHz. For 100 Mbps operation: Standard TIA/EIA 568-A-compliant Category 5 or TIA/EIA 568-B-compliant Enhanced Category 5 (Cat 5e) shielded or unshielded cabling with 100 ohm impedance and a frequency of 100 MHz.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide SFP Transceiver Slots All of the x600 Series switches feature slots for four optional Gigabit Ethernet SFP transceivers that interconnect network devices over large distances using fiber optic cable. Figure 9 illustrates an SFP transceiver. Figure 9. SFP Transceiver Note For a list of supported SFP transceivers, contact your Allied Telesis sales representative.
Chapter 1: Overview XFP Transceiver Slots The x600-24Ts/XP and the x600-48Ts/XP Switches have two slots for optional XFP 10 Gigabit Ethernet transceivers to connect high speed, 10 gigabit devices to the switch or create high speed backbone networks between switches. Figure 10 shows an example of an XFP transceiver. 721 Figure 10. XFP Transceiver Note For a list of supported XFP transceivers, contact your Allied Telesis sales representative.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide Redundant Twisted Pair Ports Four of the twisted pair ports on the x600-24-Ts and x600-24-Ts/XP switches are paired with SFP slots. The twisted pair ports are identified with the letter “R” for “Redundant” as part of their number on the faceplate of the unit. The ports and slots are listed in Table 2. Table 2.
Chapter 1: Overview SD Card Slot All of the x600 Series Switches have an SD card slot which is designed for an SD card which stores configuration files and AlliedWare PlusTM Operating System Software image files. See Figure 11. x600-24Ts/X SD READY BUSY R FAULT 1 3 5 7 9 11 13 15 17 19 21R 23R 2 4 6 8 10 12 14 16 18 20 22R 24R L/A D/C L/A D/C 1318 Figure 11. SD Card Slot An SD card can make it easier for you to upgrade the files on a switch or transfer files between x600 switches.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide Port LEDs The following sections describe the twisted pair port, SFP, and XFP LEDs. See Figure 13 for an illustration of the port LEDs on an x600-24Ts/XP.
Chapter 1: Overview Table 3. Twisted Pair Port LEDs (Continued) LED D/C SFP LEDs Function Duplex Mode and Collisions State Description Green The port is operating in full-duplex mode. Amber The port is operating in half-duplex mode (only applies when operating at 10 or 100 Mbps). Flashing amber Collisions are occurring on the port (only applies when operating at 10 or 100 Mbps, half duplex mode). Each SFP transceiver slot on the x600 switches has one LED, defined in Table 4. Table 4.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide System LEDs The system LEDs on the front panel display general status information. See Figure 14. x600-48Ts/XP Layer 3 Gigabit Ethernet Switch SD READY BUSY LINK / L/A FAULT CONSOLE ACT STACK XFP MSTR 1 2 L/A L/A PRES STATU S FAULT MASTER RPS PWR RESET 50 1313 Figure 14. System LEDs See Table 6 for a description of the system LEDs. Table 6.
Chapter 1: Overview Stack LEDs The STACK LEDs reflect the status of the two Stack ports on the AT-StackXG Stacking Module. These LEDs remain off if the module is not installed. See Table 7 for a description of the STACK LEDs. Table 7. STACK LEDs LED MSTR 1 L/A 2 L/A PRES 28 State Description Off The switch is not part of a stack or is a member unit of the stack. Green The switch is the master unit of the stack.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide Secure Digital LEDs Both the x600-24Ts/XP and x600-48Ts/XP switches have one Secure Digital (SD) LED, defined in Table 8. Table 8. Secure Digital LED LED SD Function State Description Link Status and Activity Flashing amber Indicates a fault has been detected. The SD card is not valid or a read or write procedure was unsuccessful. Green An SD card has been detected. Flashing green An SD card is reading or writing data.
Chapter 1: Overview Terminal Port The terminal port is used to establish a local (out-of-band) management session with the switch. You establish a local management session by connecting a terminal or a personal computer with a terminal emulation program to the port. The terminal port has an RJ-45 style connector. An RJ-45 to RS-232 management cable is supplied with the switch.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide AT-RPS3204 Redundant Power Supply The RPS connector on the back panel of the switch connects to the optional AT-RPS3204 Redundant Power Supply Module, shown in Figure 15. The unit can provide power to the switch in the event that the switch’s internal power supply fails. The AT-RPS3204 Redundant Power Supply Module features one preinstalled AT-PWR3202 Power Supply and three empty slots for additional power supplies.
Chapter 1: Overview AT-LBM Module The AT-LBM (Link Back) Module is installed in the expansion slot of the x600-48Ts/XP switch. For an illustration, see Figure 8 on page 18. This module provides a nonblocking switching configuration when there are connections on the x600-48Ts/XP switch to all 44 copper ports and two XFP ports.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide AC Power Connector The x600 switches have a single AC power supply socket on the back panel, which has autoswitch AC inputs. To power the switch on or off, connect or disconnect the power cord. Refer to “Technical Specifications” on page 65 for the input voltage range.
Chapter 1: Overview 34
Chapter 2 Installing the Hardware This chapter provides procedures to install an x600 switch.
Chapter 2: Installing the Hardware Reviewing Safety Precautions Please review the following safety precautions before you begin to install the switches or any of their components. Note The indicates that a translation of the safety statement is available in a PDF document titled “Translated Safety Statements” (613-000990) posted on the Allied Telesis website at www.alliedtelesis.com. Warning: Class 1 Laser product. L1 Warning: Do not stare into the laser beam.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide All Countries: Install product in accordance with local and National Electrical Codes. E8 Circuit Overloading: Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern.
Chapter 2: Installing the Hardware Unpacking a Switch To unpack a switch, perform the following procedure: 1. Remove all components from the shipping packages. Note Store the packaging material in a safe location. You must use the original shipping material if you need to return the unit to Allied Telesis. 2. Place the switch on a level, secure surface. 3. Make sure the following components are included in your switch package.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Installing the Power Cord Retaining Clip Perform the following procedure to install the power cord retaining clip on the switches: 1. Locate the power cord retaining clip, shown in Figure 16. Figure 16. Power Cord Retaining Clip 2. Install the clip on the AC power connector on the back panel of the switch.
Chapter 2: Installing the Hardware Installing the Switches in an Equipment Rack Perform the following procedure to install each switch in a standard 19-inch rack: Note Steps 1, 2, and 3 are optional. These steps provide instructions on how to remove the snap-on plastic feet from the bottom of a switch. You can leave the feet on. 1. Place the switch upside down on a level, secure surface. 2. Using a flat-head screwdriver, remove the snap-on plastic feet from the bottom of the switch, as shown in Figure 18.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide 15 17 19 21R 23R CLA LASER SS 1 PROD UCT 16 18 20 L/A SFP 22R PORT 1000 ACTIV LINK / ITY FDX ACT 10/100 LINK / HDX / COL XF D/C 24R 21 ACT P 22 L/A 23 STACK XFP 24 MSTR 1 25 2 L/A L/A x600 SD 3 5 7 9 11 13 15 L/A PRES 26 1 D/C L/A 17 READ Y BUSY D/C 2 4 6 -24Ts /XP FAU 19 21 LT R 23 R Layer 3 Gigabit Ethern et Sw SFP OLE STATU S 21 8 10 12 itch CONS L/A 22 14 16 FAUL T MAST ER RPS 23 18 2
Chapter 2: Installing the Hardware Resetting the Switch You may need to reset the switch after upgrading the firmware or after you have made a configuration change that requires resetting the switch to activate the change. To reset the x600 switch, perform the following procedure: 1. Locate the RESET button which is on the right hand side of the faceplate. 2. Press the RESET button with the tip of a pen or a similar nonconducting object as shown in Figure 21.
Chapter 3 Cabling the Network Ports This chapter contains the instructions for attaching network cables to an x600 switch.
Chapter 3: Cabling the Network Ports Twisted Pair and Fiber Optic Cable Specifications Twisted Pair Cable Specifications Table 9 lists the cabling specifications for the 10/100/1000Base-T twisted pair ports. Table 9. Twisted Pair Cabling and Distances Speed Cable Type Maximum Operating Distance 10 Mbps Standard TIA/EIA 568-B-compliant Category 3 or better shielded or unshielded cabling with 100 ohm impedance and a frequency of 16 MHz.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Note A 10/100/1000Base-T twisted pair port must be set to Auto Negotiation to operate at 1000 Mbps. You cannot manually set the speed of a twisted pair port to 1000 Mbps. Optional Transceiver Cable Specifications The cable specifications for an optional SFP or XFP transceiver can be found in the transceiver’s installation guide that is shipped with the device.
Chapter 3: Cabling the Network Ports Installing Optional Transceivers Review the following guidelines before installing an optional SFP or XFP transceiver in a switch: A transceiver can be hot-swapped; the switch can be powered on when you install it. However, you should always disconnect the cables first before removing a transceiver. You must install the transceiver before you connect the cables to it. Fiber optic transceivers are dust sensitive.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide 3. Position the transceiver with the label facing up. 4. Slide the transceiver into the slot until it clicks into place. 23R CL LASE ASS 1 R PROD UCT L/A SFP D/C 24R PORT 1000 AC LINK / FDX ACT 21 22 23 24 1331 Figure 23. Installing an SFP Transceiver 5.
Chapter 3: Cabling the Network Ports 6. For the x600-48Ts and x600-48Ts/XP switches, verify that handles on the top two SFPs are in the up position and the bottom two SFPs are in the down position as show in Figure 25. 41 43 45 SFP 47 x60 Laye 0-4 r3G ig SD CLA LASER SS 1 PROD UCT 42 44 XFP LINK / ACT L/A 46 L/A 48 49 1334 Figure 25. Positioning SFP Handles on the x600-48Ts and x600-48Ts/XP Switches 7.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Installing an XFP Transceiver To install an XFP transceiver in an x600 switch, perform the following procedure: 1. Remove the dust plug from a transceiver slot on the switch. Refer to Figure 26. L/A D/C PORT 1000 ACTI LINK VITY / FDX ACT 10/100 LINK / HDX / COL XF ACT P L/A STACK XFP 24 MSTR 1 25 2 L/A L/A PRES 26 L/A 1 SD 3 5 7 D/C 9 1 L/A D/C 2 4 6 8 10 1 1336 Figure 26. Removing an XFP Dust Plug 2.
Chapter 3: Cabling the Network Ports 5. Repeat this procedure to install a second XFP transceiver or go to “Cabling the Twisted Pair and Fiber Optic Ports” on page 51. For XFP optical and cabling specifications, consult the documentation shipped with the module.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Cabling the Twisted Pair and Fiber Optic Ports Observe the following guidelines when connecting a twisted pair or fiber optic cable to a port on the switch: The connector on the cable should fit snugly into the port on the switch. The tab on the connector should lock the connector into place.
Chapter 3: Cabling the Network Ports Powering on a Switch To power on a switch, perform the following procedure: 1. Position the power cord retaining clip in the up position, as shown in Figure 28. 100-2 40VA C~ Figure 28. Power Cord Retaining Clip in the Up Position 2. Plug the power cord into the AC power connector on the back panel of the unit (see Figure 29). Warning: Power cord is used as a disconnection device. To deenergize equipment, disconnect the power cord. E3 100-2 40VA C~ Figure 29.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide 4. Start a local management session on the unit by performing the next procedure. Starting a Local Management Session The following procedure describes how to connect an RJ-45 cable to an x600 switch. For information about how to log onto the AlliedPlusTM Operating System Software, see the AlliedWare PlusTM Operating System Software Reference Guide. To start a local management session on the unit, perform the following procedure: 1.
Chapter 3: Cabling the Network Ports Warranty Registration For warranty information, go to the Allied Telesis web site at www.alliedtelesis.com.
Chapter 4 Troubleshooting This chapter contains information about how to troubleshoot a switch in the event a problem occurs.
Chapter 4: Troubleshooting Power LED is Off Check the PWR LED on the front of the switch. If the LED is off, indicating that the unit is not receiving power, do the following: 56 Make sure the power cord is securely connected to the power source and to the AC connector on the back panel of the switch. Verify that the power outlet has power by connecting another device to it. Connect the unit to another power source. Use a different power cord.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Twisted Pair Port Link LED is Off When a twisted pair port on the switch is connected to a properly operating end node, the Link LED for the port should be on. If a Link LED is off, do the following: Note A 1000Base-T connection can take from five to ten seconds to establish a link. Verify that the end node connected to the port is powered ON and is operating properly.
Chapter 4: Troubleshooting SFP or XFP LED is Off When a fiber optic port on the switch is connected to a properly operating end node, the Link LED for the port should be on. If a Link LED is off, do the following: Verify that the end node connected to the port is powered ON and is operating properly. Check that the fiber optic cable is securely connected to the port on the switch and the port on the end node.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Transceiver is Installed but the Status is “Not Present” If a SFP or XFP transceiver is installed in a transceiver slot but the Uplink Information menu in the AlliedWare PlusTM Operating System Software interface displays “Not Present” for that port, do the following: Verify that the transceiver is completely inserted in the slot on the front of the switch.
Chapter 4: Troubleshooting System Fault LED is Blinking If the system FAULT LED is blinking, no action is required. A blinking FAULT LED could indicate that a new version of the operating system software is in the process of being downloaded to the switch or the switch is updating the active boot configuration file. The LED stops blinking after the switch has completed downloading the operating system software or updating the boot configuration file.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide System Fault LED is Steadily On If the system FAULT LED is steadily on, a problem has occurred in the switch. Do the following: Reset the switch by disconnecting and reconnecting the AC power cord. If the FAULT LED remains ON, download a new version of the switch’s operating system software. For instructions, refer to the AlliedWare PlusTM Operating System Software Reference Guide.
Chapter 4: Troubleshooting Cannot Establish a Local (Out-of-Band) Management Session If you are unable to establish a local (out-of-band) management session with the switch through the terminal port on the front panel, do the following: 62 Check that the RJ-45 serial management cable is securely connected to the serial terminal port on the switch and to the RS-232 port on the terminal or personal computer.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Switch Functions Intermittently If a switch functions intermittently, check the system hardware status through the management interface: Note the current voltage for the power supply compared to the optimum rating. Verify that the system temperature is within the operating range.
Chapter 4: Troubleshooting 64
Appendix A Technical Specifications Physical Specifications Dimensions (H x W x D): x600-24Ts x600-24Ts/XP x600-48Ts x600-48Ts/XP 4.40 cm x 44 cm x 30.5 cm (1.72 in. x 17.34 in. x 12.0 in.) 4.40 cm x 44 cm x 30.5 cm (1.72 in. x 17.34 in. x 12.0 in.) 4.40 cm x 44 cm x 30.5 cm (1.72 in. x 17.34 in. x 12.0 in.) 4.40 cm x 44 cm x 30.5 cm (1.72 in. x 17.34 in. x 12.0 in.) Weight: x600/24Ts x600-24Ts/XP x600-48Ts x600-48Ts/XP Recommended Minimum Ventilation on All Sides: 3.86 kg (8.50 lb.) 4.35 kg (9.60 lb.
Appendix A: Technical Specifications Power Specifications Maximum Power Consumption: x600-24Ts x600-24Ts/XP x600-48Ts x600-48Ts/XP 76 watts 76 watts 123 watts 123 watts Input Voltage: AC 100-240V AC, 2.0 A maximum, 50/60 Hz Certifications EMI (Emissions): FCC Class A, ICES-003 Class A, EN55022 Class A, EN61000-3-2, EN61000-3-3, VCCI Class A, C-TICK, CE EMC (Immunity): EN55024 Electrical and Laser Safety: EN60950-1 (TUV), EN60825-1 (TUV), UL 60950-1 (CULUS), CSA-C22-2 No.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide RJ-45 Twisted Pair Port Pinouts Figure 31 illustrates the pin layout of an RJ-45 connector and port. Pin 1 Figure 31. RJ-45 Connector and Port Pin Layout Table 10 lists the pin signals when a port is operating in the MDI configuration at 10 or 100 Mbps. Table 10. MDI Pin Signals - 10 or 100 Mbps Pin Signal 1 TX+ 2 TX- 3 RX+ 6 RX- Table 11 lists the pin signals when a port is operating in the MDI-X configuration at 10 or 100 Mbps. Table 11.
Appendix A: Technical Specifications Table 12 lists the pin signals when a port operating at 1000 Mbps. Table 12.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide RJ-45 Style Serial Terminal Port Pinouts Table 13 lists the pin signals on the RJ-45 style serial terminal port. Table 13.
Appendix A: Technical Specifications RPS 21-pin D-combo Port and Connector Pinouts Figure 32 illustrates the pin layout of the RPS 21-pin D-combo port and connector. 1 11 1 11 10 10 20 A1 A1 Figure 32. RPS 21-pin D-combo Connector and Port Pin Layout Table 14 lists the definitions for the RPS 21-pin D-combo port and connector pins. Table 14.
x600 Layer 3 Gigabit Ethernet Switch Installation Guide Table 14. RPS 21-pin Connector Pin Definitions (Continued) Pin Definition 16 Ground 17 Ground 18 +12.0 VDC sense 19 Ground 20 No connect A-1 +12.
Appendix A: Technical Specifications 72
