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Safety

This chapter provides an overview of the recommended safety precautions for
installing the Acme Packet 3900 System.

Before you install your Acme Packet 3900 System, Oracle recommends that you
review the contents of this chapter and the Installation chapter. Both chapters
provide information intended to protect you and your Acme Packet 3900 System from
experiencing any harm during the installation process. These chapters also provide
information that helps to keep your Acme Packet 3900 System functioning properly
and prevent damage.

Environmental, Safety, and Regulatory Certifications

For information regarding safety and regulatory certifications applicable to the Acme
Packet 3900, refer to the Acme Packet Platforms Safety and Compliance Guide.

General Safety Precautions

To ensure general safety, follow the safety precautions listed in this section.

Fan Module

To avoid overheating the system, do not block the air inlets or the fan module, or
otherwise obstruct airflow to the system. Keep the area around the Acme Packet 3900
System clean and clutter-free.

Unit Maintenance

Aside from the fan module, power supply, air filter, transcode module, and TDM
module, there are no user-serviceable parts inside the Acme Packet 3900 System
chassis. Only professionals trained to maintain, adjust, or repair the Acme Packet
3900 System may provide these services.

Fiber Optic Cable

Looking into a fiber optic cable can cause eye damage. Never look directly into the
end of the fiber optic cables. Instead, use a fiber optic power meter to determine if
power is present.

Environmental Specifications

Adhere to the stated environmental specifications for the Acme Packet 3900.

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Содержание Acme Packet 3900

Страница 1: ...Acme Packet 3900 Hardware Installation and Maintenance Guide F38643 01 November 2016 ...

Страница 2: ...ocumentation and or iii other Oracle data is subject to the rights and limitations specified in the license contained in the applicable contract The terms governing the U S Government s use of Oracle cloud services are defined by the applicable contract for such services No other rights are granted to the U S Government This software or hardware is developed for general use in a variety of informa...

Страница 3: ...ns 1 2 Battery Warning 1 2 ESD Safety 1 3 Precautions 1 3 2 Component Overview Chassis 2 1 Mounting Hardware 2 1 Equipment Rack Installation Hardware 2 1 System Processor 2 2 Processor 2 2 Control Panels 2 2 Front Panel 2 2 Rear Panel 2 3 T1 E1 Ports 2 4 Serial Management Port 2 4 Network Management Ports 2 5 USB3 Ports 2 6 Signaling and Media Interfaces 2 6 Media Cables 2 6 Power Components 2 8 P...

Страница 4: ...k 3 7 Installing the Chassis Flanges and Slide Rails 3 9 Installing the Chassis in the Rack 3 10 Center Mount 2 Post Chassis Installation 3 10 Installing the Center Mount Hardware 3 11 Installing the Chassis in the Rack 3 11 Fan Module Installation 3 12 Ground and Power Cable Installation 3 12 Grounding Cable Installation 3 12 AC Power Cord Installation 3 13 DC Power Cord Installation 3 14 Cabling...

Страница 5: ...dby State for HA Nodes 5 3 Maintenance With Power 5 6 Maintaining the Cooling Components 5 6 Fan and Air Filter Maintenance 5 6 Clean the Air Inlets 5 7 Replace a Fan 5 7 Power Supply Removal and Replacement 5 8 Installing a Power Supply 5 9 Optical Transceiver Removal and Replacement 5 10 Removing an Optical Transceiver 5 10 Install an Optical Transceiver 5 11 Copper Transceivers 5 12 Maintenance...

Страница 6: ...cations 6 1 Physical Specifications 6 1 System Chassis Specifications 6 1 AC Power Supply Physical Dimensions 6 1 DC Power Supply Physical Dimensions 6 2 Fan Module Specifications 6 2 Electrical Specifications 6 2 Power Supply Input Circuit Fuse Requirements 6 2 Environmental Specifications 6 2 Connector Specifications 6 3 Optical Transceiver Interface Module Specification 6 3 vi ...

Страница 7: ...chapter provides an introduction and overview of the main components of the Acme Packet 3900 System The Acme Packet 3900 System Hardware Installation Guide describes Safety Component overview Installation Startup Maintenance Specifications Audience This guide is written for network administrators telecommunications equipment installers and technicians It provides information related to the hardwar...

Страница 8: ...Revision History This section contains a revision history for this document Date Description November 2016 Initial Release 8 ...

Страница 9: ...ty and Compliance Guide General Safety Precautions To ensure general safety follow the safety precautions listed in this section Fan Module To avoid overheating the system do not block the air inlets or the fan module or otherwise obstruct airflow to the system Keep the area around the Acme Packet 3900 System clean and clutter free Unit Maintenance Aside from the fan module power supply air filter...

Страница 10: ... supplies Use grounded AC power cords that are plugged into grounded electrical outlets Never use extension cords to power the Acme Packet 3900 Ensure that the installation facilities have proper grounding systems and include a grounded rack structure or local grounding bus bar When installing the Acme Packet 3900 in an equipment rack always make the ground connection first and disconnect it last ...

Страница 11: ...3900 is properly grounded If you are grounding your Acme Packet 3900 to an electrically conductive grounded rack check to see whether or not the rack is painted Paint can hinder proper grounding If your equipment rack is painted you should ground the system to some other reliable place or remove a small portion of paint for proper grounding Use a grounded ESD wrist or ankle strap when working on t...

Страница 12: ...s of the equipment rack This two piece mounting system simplifies chassis installation and removal When installing the chassis the user can easily slide the chassis along the slide rails until a locking clip on each chassis mounted rail locks the chassis into the slide rails Pressing this clip will then allow the chassis to be fully installed into the equipment rack Once inserted into the equipmen...

Страница 13: ...ing the captive thumbscrews clockwise will lock the chassis securely into the rack System Processor Processor The Acme Packet 3900 processor is located on the main board This processor handles the management and signal processing within the unit as well as performing call and media control Control Panels This section describes the front and rear control panels of the Acme Packet 3900 Front Panel T...

Страница 14: ...at power is being applied to the chassis off indicates that power is not being applied to the chassis Power Pushbutton Pressing the front panel Power Pushbutton will turn on or off the Acme Packet 3900 After the power is turned on the Acme Packet 3900 begins its boot sequence and loads the configured software file Do not turn off the unit using the Power Pushbutton until you have performed a grace...

Страница 15: ...physical security for the unit if access to the site is controlled Console port communication is used for administration and maintenance purposes from a central office CO location Tasks conducted over a console port include Creating the initial connection to the Acme Packet 3900 Accessing and using all functionality available via the ACLI Performing in lab unit maintenance Serial Management Port P...

Страница 16: ...p left side of the network management Ethernet port This LED illuminates yellow when a link has been established between the link partner device and the Acme Packet 3900 Activity LED The activity LED is located at the top right side of the network management Ethernet port The activity LED illuminates green when an Ethernet connection has either transmit or receive packet activity Upon initial boot...

Страница 17: ...located on the Acme Packet 3900 rear panel are reserved for software enabled applications such as software updates Signaling and Media Interfaces The signaling and media interfaces provide network connectivity for signaling and media traffic The Acme Packet 3900 has 4 SFP ports P0 P3 which operate at 1 Gbps Any port may be used The optical 1GbE ports can accept an LC fiber connector using either s...

Страница 18: ...sed on the Acme Packet 3900 include Multi mode transceivers use an orange fiber optic cable Single mode transceivers use a yellow fiber optic cable Copper transceiver use a Cat 5 or 6 ethernet cable Cable Identification A Multi Mode SX transceiver uses an orange colored fiber optic cable A Single Mode LX transceiver uses yellow colored fiber optic cable A copper transceiver uses Category 5 or 6 Et...

Страница 19: ...peration A malfunctioning power supply must be removed and replaced as soon as possible If the Acme Packet 3900 starts up with only one power supply the alarm LED will blink continuously The grounding terminals are used to attach the Acme Packet 3900 chassis to a local earth ground The terminals are located between MGMT 2 port and USB port on the Acme Packet 3900 rear panel The Acme Packet 3900 is...

Страница 20: ...t unlocks the power supply from the chassis when removing the power supply A removable terminal block on the DC power supply serves as the DC power interconnect The terminal block must be removed before the black locking handle can be moved to free the power supply DC Power Cords A mating connector terminal block for a DC power cord ships with each DC power supply You must create the above power c...

Страница 21: ... hot pluggable and are covered by an air filter that prevents excess dust and contaminants from entering the system The air filter is retained by the removable front bezel The Acme Packet 3900 automatically adjusts the fan speed based on the current operational status and environmental conditions Fan speed regulation is an automated process that requires no user intervention You can monitor the st...

Страница 22: ...ccessory Kit Console adapter AC or DC power cords one per power supply Grounding cable Slide Rail Mounting Kit Installation Tools and Parts The following tools and parts are required to install the Acme Packet 3900 into your equipment rack 2 Phillips head screwdriver Small flat head screwdriver Rack and associated mounting hardware Shielded Ethernet CAT5e or CAT6 RJ45 cables 11 32 nut driver 5 16 ...

Страница 23: ...Separate circuits should be available for each of the Acme Packet 3900 two power supplies The Acme Packet 3900 may only be powered by AC or DC circuits at one time mixed power configurations are unsupported Never use extension cords when powering a Acme Packet 3900 Use grounded 3 conductor circuits A local earth ground must be available Note Connect each of the Acme Packet 3900 power supplies to a...

Страница 24: ... post 19 cabinet style equipment rack Mounting hardware for a 23 equipment rack is available by special order Mounting Options The Acme Packet 3900 ships with hardware for mounting in a 4 post tapped hole equipment rack or square hole equipment rack The Acme Packet 3900 also ships with hardware for mounting in a 2 post center mount equipment rack This section explains the procedures for each mount...

Страница 25: ...h mounting slide rails used to secure the chassis into the rack Slide rail assembly 2 as shipped with the chassis slide rail inserted into the equipment rack slide rail Equipment rack slide rail part of the slide rail assembly Chassis slide rail part of the slide rail assembly Nut Bar 4 Mounting Spacer 2 Chapter 3 Mounting Installation 3 4 ...

Страница 26: ...ce by aligning the installed chassis slide rails along the guides on the equipment rack slide rails When the Acme Packet 3900 is fully inserted into the equipment rack it is secured in place with two captive thumbscrews Installing the Equipment Rack Slide Rails In the first stage of system installation secure the equipment rack slide rail to the equipment rack The equipment rack slide rail can exp...

Страница 27: ...ppropriate mount point on the front of the equipment rack 3 For both holes in the flange place one 10 32 x 5 8 screw through the mounting spacer then through the slide rail flange and into the tapped hole 4 Using a 2 Phillips head screwdriver tighten the screws to secure the slide rail to the equipment rack Do not completely torque the screws leave a small amount of play at this time 5 Expand and ...

Страница 28: ...ment rack The customer can use 10 32 1 4 20 M5 or M6 cage nuts as an alternative but the cage nuts will be customer supplied along with the associated mounting screws for the cage nut selected To install the slide rails on the front of a square hole equipment rack 1 Locate the following components Equipment rack slide rails 2 10 32 x 5 8 screws 8 Mounting spacers 2 Nut bars 2 2 Line up the painted...

Страница 29: ...mpletely torque the screws leave a small amount of play at this time 6 Expand and line up the unpainted side of the stationary rail flange on the outside of the rear rack rail at the height used for the front mount point 7 Hold the nut bar behind the rear rack slide rail 8 Place one 10 32 screw through each of the holes in the slide rail flange then through the square hole in the rack and finally ...

Страница 30: ...ard the front panel of the system 3 Insert 2 x 10 32 x 5 16 flat head screws into the flange and chassis and using a 2 Phillips screwdriver tighten the screws to secure the flange to the chassis 4 Line up the chassis slide rail with the Acme Packet 3900 side panel Position hole 4 closest to the flange at the front of the Acme Packet 3900 chassis Line up the keyhole slot on the slide rail with the ...

Страница 31: ...e chassis with the guides in front of the equipment rack slide rails 3 If necessary press in the latches on either side of the Acme Packet 3900 in order for the assembly to slide into the guides 4 Push the Acme Packet 3900 fully into the equipment rack 5 Line up the chassis mounted thumbscrews with the threads on the Acme Packet 3900 mounting spacer You may have to adjust the spacer locations befo...

Страница 32: ...e for the other side of the Acme Packet 3900 chassis Installing the Chassis in the Rack The Acme Packet 3900 chassis is now ready to be installed into a 2 post equipment rack To prevent personal injury or damage to the Acme Packet 3900 follow these guidelines This installation requires two people and should not be attempted otherwise Follow your organization s best practices for lifting and instal...

Страница 33: ...such as Garbled output Sudden crashes Physical damage to the Acme Packet chassis and its hardware components Caution Failure to ground the chassis properly can result in permanent damage to the Acme Packet 3900 and its components Bodily harm may also result under some circumstances Caution The Acme Packet 3900 does not support mixing AC and DC power supplies in the same chassis A mixed power confi...

Страница 34: ...g fault occurrences in the AC or DC power systems or when lightning strikes To install the grounding cable on the Acme Packet 3900 1 Using an 11 32 nut driver unscrew and remove the two kep nuts from the grounding posts located on the rear of the Acme Packet 3900 Place them aside 2 Place the lug on the end of the grounding cable onto the grounding terminals 3 Using an 11 32 nut driver tighten the ...

Страница 35: ... C13 plug into the IEC 60320 C14 IEC connector located on the power supply 4 Route the AC power cords through your rack and cabling system to the power outlets 5 Plug the supply end of each power cord into its own circuit Note To remove AC power cables from the Acme Packet 3900 reverse the previous steps in this procedure OR 6 Set the System Power switch to the On position to provide power to the ...

Страница 36: ...r DC power supply 6 Route the DC power cords through your rack and cabling system to the power outlets 7 Plug the supply end of each power cord into its own circuit Note To remove DC power cables from the Acme Packet 3900 reverse the previous steps in this procedure 8 Set the Power Pushbotton on the front of the Acme Packet 3900 The unit will start to boot Cabling the Acme Packet System After moun...

Страница 37: ...sole Cabling Procedure This section explains how to create a serial connection to the Acme Packet 3900 console port Use the serial management port for permanent connections to a terminal server or other serial device To connect a cable to the serial management port 1 Locate a twisted pair console cable to connect to the Acme Packet 3900 2 Remove the rubber dust cap from the Chassis console port if...

Страница 38: ... with RJ45 jacks are used for connecting the Acme Packet 3900 management Ethernet ports to your network These ports support 10 100 1000 Mbps speeds All management ports can be used to connect the Acme Packet to your LAN If you are going to use High Availability HA use ports 1 and 2 Note Keep Ethernet cables separated from power cables by at least 60mm where possible and never run them in the same ...

Страница 39: ...work over the signaling and media network ports To connect 1GbE Copper cables to the signaling and media ports 1 Locate the Ethernet cables you plan to connect to the Acme Packet 3900 2 Insert the RJ45 connector on the end of the Ethernet cable into one of the 1GbE copper NIU media and signaling ports The release tab on the RJ45 jack will click into place when you insert it properly 3 Route the ca...

Страница 40: ... Ethernet cables are required for cabling two HA nodes together Rear Panel Cabling You can use one or two connections for HA redundancy support between the two members of an HA node Using two rear interfaces for sharing redundancy information provides a high level of reliability As a rule network management ports should be used in this way Mgmt0 should be reserved as the boot maintenance interface...

Страница 41: ...nd Ethernet cable into Mgmt2 on the rear panel of Acme Packet 3900 A 4 Insert the other end of the cable into Mgmt2 on the rear panel of Acme Packet 3900 B 5 Refer to the configuration procedures located in the HA Nodes chapter of the Configuration Guide Media Cabling for HA Nodes Media cabling in an HA node depends on network topology After a switchover between the two Acme Packet 3900s in an HA ...

Страница 42: ...n Parameter Setting Baud Rate 115 200 bps Date Bits 8 Parity No Stop Bit 1 Flow Control None Your terminal application and serial port MUST be capable of operating at 115 2 Kbps for creating a console session Creating a Console Connection To create a console connection 1 Set the terminal application s parameters to match the Acme Packet 3900 default parameters 2 The Acme Packet 3900 console port i...

Страница 43: ...operly noted the absence of the other power supply and is logging it Initial Log On Once you have established the console connection powered on the Acme Packet 3900 and a runtime image has been loaded you are ready to login and begin configuring the system After the Acme Packet 3900 has initialized the ACLI login prompt appears in your terminal application as follows User Access Verification Passw...

Страница 44: ...on the Acme Packet 3900 and perform configuration tasks 2 Type enable to enter Superuser mode ACMEPACKET enable Password 3 Enter the string packet and press Enter to set the admin account password The system prompt will end with a pound sign instead of a closed angle bracket to let you know are in Superuser mode ACMEPACKET 4 You can now begin configuring your Acme Packet 3900 Refer to the Configur...

Страница 45: ...placeable components may be ordered in advance from Oracle Oracle recommends stocking replacement parts for Air filters Fans Power supplies Optical transceivers DSP modules System Shutdown Before you shut down or restart the Acme Packet 3900 ensure that there are no active calls in progress The command to show active calls is show sessions ACMEPACKET show sessions Procedures to reroute call and ne...

Страница 46: ...matically restarts it The operating system gracefully shuts down as processes are terminated and the file system is stopped While the system and its processes are stopped all call processing is immediately halted You may therefore wish to perform tasks that call for a reboot during off peak maintenance hours Rebooting the Acme Packet 3900 is required every time you upgrade with a new version of th...

Страница 47: ...o ensure the system returns to a stable state Filesystem verification also runs every 30 boots as a precautionary measure Note Always try to reboot first from the ACLI before performing a cold reset Only reset the system as a last resort Insert a rigid paperclip sized tool into the small hole on the rear of the chassis The system immediately resets and begins its initialization and boot sequence P...

Страница 48: ... in Standby state and the current standby Acme Packet 3900 will assume all traffic processing and forwarding as the active system Note This procedure is only applicable to an HA deployment To force a Acme Packet 3900 into the standby HA state 1 Use the show health command to verify the State attribute has the value Active SBC1 show health Media Synchronized true SIP Synchronized true MGCP Synchron...

Страница 49: ...ent configuration version is 5 SBC2 display current cfg version Current configuration version is 5 NETNETSBC2 Note While the two current configuration version numbers on the two systems do not need to match each other they MUST match the shared running configuration version 3 Use the display current cfg version command to verify the running configuration version is the same on both the active and ...

Страница 50: ... before they are drawn into the Acme Packet 3900 chassis To prevent system malfunction and prolong the life of the system s cooling components do these things Replace the fan filter every three months Clean the air inlets once a week Cooling maintenance encompasses cleaning the fan module and cleaning the air inlets on the front of the Acme Packet 3900 chassis Cleaning the fan module requires that...

Страница 51: ...ove the air filter 3 Clean the bezel by gently wiping it with a clean dry cloth or by blowing compressed air through it 4 Install a clean air filter on the bezel 5 Attach the bezel to the unit by hooking the bezel s right side into its slots and pivoting until the magnet catches the chassis Replace a Fan To maintain unit operations you must be able to remove the malfunctioning fan and quickly repl...

Страница 52: ...nector must be on the lower left side of the fan module when inserted into the chassis 5 Tighten the two captive screws 6 Re attach the bezel Power Supply Removal and Replacement You can replace malfunctioning power supplies yourself Note Ground yourself first using appropriate ESD grounding equipment such as a wrist strap Note Power supplies can be removed from the chassis while it is still insta...

Страница 53: ...il it is completely out of the chassis 4 Move the power supply to an ESD safe location Installing a Power Supply To install a power supply in the Acme Packet 3900 chassis 1 Insert the power supply into the empty power supply slot located on the rear panel of the chassis The labels on the power supply face upward NOT_SUPPORTED NEVER power up a power supply before it is installed in the chassis 2 Pu...

Страница 54: ... transceivers are hot swappable and may be replaced while the Acme Packet 3900 is powered on To obtain a replacement optical transceiver contact customer support Note To prevent damage to the optical lens Acme Packet recommends that the protective dust cover stay on the optical transceiver port when the physical interface card is not cabled Removing an Optical Transceiver To remove the transceiver...

Страница 55: ...ansceiver To install an optical transceiver 1 Slide the replacement optical transceiver into the socket on the rear panel 2 Press on the face of the optical transceiver to seat it in the socket 3 Flip the bale clasp latch back into the rest position 4 Reconnect the optical cables to their corresponding ports Chapter 5 Maintenance With Power 5 11 ...

Страница 56: ... allow the chassis to slide forward 2 Remove the power from the Acme Packet 3900 3 Loosen the two thumbscrews on the rear panel 4 Loosen the two thumbscrews on the front panel 5 Pull the Acme Packet 3900 to the front of the rack until the chassis assembly stops 6 Push the chassis cover backwards about inch 7 Lift the cover up until it is free of the chassis Removing the Unit from an Equipment Rack...

Страница 57: ...ocation Note One person should support the Acme Packet 3900 from below while the other person removes the chassis from the equipment rack Replacing Transcoder DSP Modules Up to 5 transcoder DSP modules may be installed on the Acme Packet 3900 printed circuit board PCB There are slots for installing the transcoder DSP modules in one location on the Acme Packet 3900 PCB The slots are numbered 0 4 Sl...

Страница 58: ...odule from the shipped packaging The installation of these modules should be performed during low traffic periods or during times of scheduled maintenance Follow industry standard procedures to ensure ESD protection When installing or removing a DSP module move the card to an ESD safe location Note Before handling any components follow the proper ESD grounding procedures Failure to do so could dam...

Страница 59: ...ase the catch holding either end of the transcoder DSP module 2 Once the fasteners are detached from both sides of the transcoder DSP module hold the center of the module between your finger and thumb and slowly remove the module Be careful to keep the module level while removing it and guide it smoothly through the guide slots on either side 3 Place the transcoder DSP module on an ESD safe antist...

Страница 60: ...he slot guides located on each side as you lower the component into the connector Press evenly across the top of the connector to fully seat the transcoder DSP module on the PCB The module is fastened to the connector at one end while at the other end the board rests on two standoffs attached to the PCB Removing and Replacing the T1 E1 TDM Module The TDM module is located near the rear of the boar...

Страница 61: ...Chapter 5 Maintenance Without Power 5 17 ...

Страница 62: ...ow these guidelines prior to installing or removing the TDM module Ground yourself and follow proper ESD grounding procedures Remove the transcoder TDM module from the shipped packaging Chapter 5 Maintenance Without Power 5 18 ...

Страница 63: ...equired to replace the transcoder DSP module ESD wrist strap ESD safe location New or replacement TDM module Telecom label to attach to the chassis cover Remove the TDM Module 1 Remove the Acme Packet 3900 cover The T1 E1 TDM module is installed into the rear panel of the chassis and attached through a PCI Express x4 connector The module is raised about a quarter of an inch off of the chassis PCB ...

Страница 64: ...rasp the module by its edges Pull the right side of the module out of the rear panel slot and at the same time slide the left side of the piece of metal from the rear panel 4 Pull the module laterally out of the plug and away from the rear panel of the chassis You may have to work the module back and forth as you pull in order to disengage the module from the two directions Note that there is a ga...

Страница 65: ...the plug and toward the rear panel of the chassis You may have to work the module back and forth as you pull in order to secure the module from the two directions Note that there is a gap in the edge connector of the module PCB There are metal bands on either side of the gap The left most part of the connector section is outside of the plug 4 Attach the screw that secures the piece of metal attach...

Страница 66: ...Chapter 5 Maintenance Without Power 5 22 ...

Страница 67: ... table lists the physical dimensions and weight of the Acme Packet 3900 chassis Specification Description Height 1 72 4 37 cm 1U Width 17 10 43 43 cm mounting ear width 19 48 26 cm Depth 15 75 40 10 cm mounting slide bar depth Weight approximately 14 2 lbs 6 44 kg fully loaded AC Power Supply Physical Dimensions This table lists the physical dimensions and weight of the Acme Packet 3900 AC power s...

Страница 68: ...ations for the Acme Packet 3900 Specification Description Number of Fans 2 Total Maximum Airflow 40 CFM Electrical Specifications Refer to the following tables for information regarding the electrical specifications Power Supply Input Circuit Fuse Requirements This table lists the input circuit fuse and cable size requirements Power Circuit Fuse Rating Power Cable Size 120 VAC 15 AMP 18 AWG 240 VA...

Страница 69: ...liant with IEEE s 802 3 802 3u and 802 3ab RS232 Serial Port The RS232 serial port uses an 8 pin RJ45 connector that supports RS232 protocol 1 GbE Media Ports The four 1GbE fiber optic connection ports P0 P3 are implemented as SFP sockets Duplex LC or copper SFPs may be used Terminal Block Connections The terminal block connections accept a bare tinned wire for DC power installations on each DC po...

Страница 70: ...tion Single Mode SX Fiber Module Multi Mode LX Fiber Module Fiber type Transmission Distance 0 5 to 550 m 50 μm MMF 0 5 to 550 m 62 5 μm MMF 300 m Chapter 6 Optical Transceiver Interface Module Specification 6 4 ...

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