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Canopy™ T1/E1
Multiplexer

User Guide

T1E1Mux-UG-en
Issue 1
June 2004

Содержание Canopy E1

Страница 1: ...Canopy T1 E1 Multiplexer User Guide T1E1Mux UG en Issue 1 June 2004 ...

Страница 2: ...cription 11 1 2 4 Rear Panel 11 1 2 5 Front Panel 13 1 2 6 Features 14 1 2 7 Specifications 15 1 3 Configuration Settings from Canopy Factory 17 1 3 1 Bit Handling Capability 17 1 3 2 License Keys 17 1 3 3 Power Adapters 17 1 4 Product Labels 17 1 5 Functional Description of the Canopy T1 E1 Multiplexer 18 1 5 1 Channel Modes 18 1 5 2 Encoding 18 1 5 3 Signaling 20 1 5 4 Timing 20 1 5 5 Ethernet T...

Страница 3: ... using the CLI 32 2 3 5 Creating a Login Account 33 2 4 Configuration Procedures Using the CLI 34 2 4 1 Logging into the System 34 2 4 2 Changing the Administrator Password 34 2 4 3 Select Line Type T1 or E1 35 2 4 4 Select Line Coding 36 2 4 5 Configure Ports 36 2 4 6 Configure Timing 41 2 5 Configuration Procedures Using the EMS 43 2 5 1 Logging into the System 43 2 5 2 Changing the Administrato...

Страница 4: ... Names 68 4 4 References 69 LIST OF FIGURES Figure 1 Examples of admonitions 8 Figure 2 Canopy T1 E1 Multiplexer with Canopy BHs 10 Figure 3 Canopy T1 E1 Multiplexer rear panel 11 Figure 4 Rear panel with standard 110 v source power supply 12 Figure 5 Standard adapters for global use 12 Figure 6 Rear panel with optional 48 v power supply adapter for battery backup 12 Figure 7 Canopy T1 E1 Multiple...

Страница 5: ...e 27 Invalid key entry window 57 Figure 28 Canopy T1 E1 Mux Configuration window 58 LIST OF TABLES Table 1 Font types 7 Table 2 Admonition types 9 Table 3 LED status indicator descriptions 14 Table 4 Canopy T1 E1 Multiplexer physical specifications 15 Table 5 T1 port specifications 15 Table 6 T1 framing specifications 16 Table 7 E1 port specifications 16 Table 8 E1 framing specifications 16 Table ...

Страница 6: ...ng using the CLI 41 Procedure 14 Logging in using the EMS 43 Procedure 15 Changing Administrator password using the EMS 45 Procedure 16 Selecting line type T1 or E1 using the EMS 46 Procedure 17 Configuring T1 line coding using the EMS 46 Procedure 18 Configuring E1 line coding using the EMS 47 Procedure 19 Configuring the Ethernet ports using the EMS 47 Procedure 20 Configuring the T1 ports using...

Страница 7: ...he document since the previous issue Check that section before you proceed to the information for which you are visiting the document 1 1 2 Searching This User Guide To search this document look in the Table of Contents for the topic the Adobe Reader search capability for keywords that apply 1 1 1 3 Interpreting Typeface and Other Conventions This document employs distinctive fonts to indicate the...

Страница 8: ...ed in the frame structure For this reason the high priority channel is not available where VLAN tagging is applied CAUTION Selection of Low can cause a link to a distant BHS to drop If a link drops when Power Control is set to low the link can be re established by only Ethernet access WARNING From this point until you remove power from the AP stay at least as far from the AP as the minimum separat...

Страница 9: ... your action can disturb something that you may not want disturbed reiterate something that you presumably know but should always remember CAUTION a notice that the risk of harm to equipment or service exists WARNING a notice that the risk of harm to person exists 1 1 4 Getting Additional Help Help is available for problems with supported products and features The sequence of actions that you shou...

Страница 10: ...lexer is available in two power configurations an external 3 3 v DC power source from a 120 240 v AC adapter supplied by Canopy a connection to an external 48 v DC supply The Canopy T1 E1 Multiplexer is illustrated with Canopy Backhaul Modules BHs in Figure 2 Figure 2 Canopy T1 E1 Multiplexer with Canopy BHs The T1 E1 Multiplexer converts the data stream from T1 E1 ports into Ethernet packets that...

Страница 11: ... Figure 13 on Page 28 1 2 2 Standards The Canopy T1 E1 Multiplexer conforms to the following standards G 703 TR AT TG2411 G 823 IEEE 802 3 G 824 EMC Class A compliance EN 55022 Class A ANSI T1 403 1 2 3 IDU Physical Description The unit provides a compact simple to configure and easily scalable solution for transporting T1 E1 services over Canopy s wireless Ethernet based networks 1 2 4 Rear Panel...

Страница 12: ...4 T1 E1 Multiplexer Release 3 1 12 of 69 Figure 4 Rear panel with standard 110 v source power supply Figure 5 Standard adapters for global use Figure 6 Rear panel with optional 48 v power supply adapter for battery backup Issue 1 Page ...

Страница 13: ... Figure 3 on Page 11 3 Connect the selected power adapter to the T1 E1 Multiplexer See Figure 4 and Figure 5 4 Power the T1 E1 Multiplexer on See Figure 4 5 As required to configure the T1 E1 Multiplexer connect a PDA or notebook computer to the jack labeled CONTROL on the front panel of the T1 E1 Multiplexer See Figure 7 1 2 5 Front Panel The control port and indicator LEDs are located on the fro...

Страница 14: ...eing transmitted or received on the line LAN LINK OFF when line is not active ON when line is OK LAN ACT OFF when no activity BLINKING when frames are being transmitted or received on the line T1 E1 Sync ON when the port is synchronized no alarm OFF when Loss of signal LOS one LED for each T1 E1 1 2 6 Features The Canopy T1 E1 Multiplexer installs easily multiplexes up to 4 T1 or 3 E1 circuits ont...

Страница 15: ...ernet activity LAN Ethernet link LAN Ethernet activity T1 E1 synchronization one per port Temperature 0 C to 40 C Humidity 95 non condensing Dimensions 1 52 3 86 cm high x 5 57 14 15 cm wide and 7 50 19 05 cm deep Weight 1 5 pounds 680 grams Technical Specifications The following tables list the technical specifications for the Canopy T1 E1 Multiplexer Table 5 T1 port specifications Specification ...

Страница 16: ... and 3 Compliance ITU T G 703 Connector RJ 45 8 pin E1 Data Rate 2 048 Mbps E1 Line Code HDB3 AMI Line Impedance Balanced 120 ohms Signal levels Receive Per G 703 Transmit Per G 703 Jitter Performance ITU T G 823 Table 8 E1 framing specifications Specification Description Compliance ITU T G 703 Framing transparent Signaling transparent Table 9 Local terminal and control interface specifications Sp...

Страница 17: ...s purchased and shipped as 1 port enabled or 4 port enabled You can upgrade any pair of 1 port enabled Canopy T1 E1 Multiplexers through the purchase and installation of two keys one per unit to transform both to 2 port enabled four keys two per unit to tranform both to 3 port enabled six keys three per unit to transform both to 4 port enabled 1 3 3 Power Adapters For connection to power sources t...

Страница 18: ... 267 399 ft 1 8dB 400 533 ft 2 4dB 534 655 ft 3 0dB E 1 Channel Mode While in E1 mode the transmit line build out meets the short haul requirements specified in Recommendation ITU G 703 1 5 2 Encoding The Canopy T1 E1 Multiplexer transparently passes all T1 E1 bits including framing encoding and zero suppression through to the far end T1 E1 using the Canopy BH Module Ethernet port For T1 mode no u...

Страница 19: ...f the requirements of the coding sequence is that a 1 bit is sent to maintain the timing synchronization A signal that is sending all 0s would be a constant zero voltage line The eventual result would be that the system s timing would be lost In order to overcome the potential situation where a string of 0s causes a loss of the system s timing a number of zero suppression techniques have been desi...

Страница 20: ...do so may result in frame slips The consequence for which could be a degradation of quality The clock for a T1 E1 circuit is normally derived from the incoming T1 E1 signal T1 E1 circuits are typically connected in a master slave configuration where the master has more accuracy than the slave A clock in a telecommunications system or network has a quality level or stratum number assigned to it Thi...

Страница 21: ...1 frame slip every 4 seconds in free run Customer Premises Equipment PBX Channel Banks Routers The Canopy T1 E1 Multiplexer does not have an internal oscillator Therefore the unit must be synchronized to a T1 E1 bit stream in order to accurately pass T1 E1 traffic The Canopy T1 E1 Multiplexer may be configured to synchronize to a near end or far end Canopy T1 E1 Multiplexer Master and Secondary Cl...

Страница 22: ... the Canopy T1 E1 Multiplexer is derived from the incoming Receive clock on the T1 E1 Recovered mode the T1 E1 Transmit clock transmit from the Canopy T1 E1 Multiplexer is derived from the far end device s transmit clock the far end Canopy T1 E1 Multiplexer Receive clock In this mode a buffer is used to accommodate bursts of Ethernet traffic The buffer is on average maintained at a constant level ...

Страница 23: ...eceive clock Recovered Timing Mode takes the incoming Ethernet bit stream from the BH link and derives the clock signal from the incoming bit stream for the outgoing Receive clock PBX receive clock Figure 10 Slave timing set to Recovered mode Network Timing Scenarios Typically when connecting two T 1 devices one end is set as the master clock source and the other end is set as the slave clock sour...

Страница 24: ... devices are configured with an external master clock source each Canopy T1 E1 Multiplexer should be configured in Loopback Timing Mode Each Canopy T1 E1 Multiplexer will take the timing signal from the incoming T1 E1 derive the clock and then return the clock to the T1 E1 device The external clock source may be obtained from any number of sources including Carrier services GPS or other high quali...

Страница 25: ...ic adds an extra 4 bytes for the VLAN tag as in the 802 1Q protocol In addition some manufacturers such as Cisco have proprietary VLAN applications that result in extra long Ethernet packets 1 5 7 Round Trip Packet Delay The one directional delay between the two T1 E1 endpoints would be approximately 20 milliseconds This delay does not include any delay added by Canopy Backhaul Modules The Etherne...

Страница 26: ... 810 of the United States National Electrical Code 2 1 2 Lightning Protection 2 1 2 Lightning Protection When installed this equipment is to be connected to a Lightning Surge Protection Device that meets all applicable national safety requirements When installed this equipment is to be connected to a Lightning Surge Protection Device that meets all applicable national safety requirements 2 1 3 Ele...

Страница 27: ...e until to a rack mount Mounting option for the unit is either a desk mount or a rack mount Follow this procedure to affix the until to a rack mount Procedure 1 Affixing the Multiplexer to a rack mount Procedure 1 Affixing the Multiplexer to a rack mount 1 Remove the Front Panel by removing Front Panel Mounting Screws 1 Remove the Front Panel by removing Front Panel Mounting Screws 2 Remove the tw...

Страница 28: ...a rin 2 RD T Input Receive data tip 3 FGND 4 TD R Output ransmit data ring T 5 TD T Output Transmit data tip 6 FGND 7 8 ot connected FGND N anopy BH Pin LAN ctor Color C RJ 45 connector RJ 45 conne TD 1 White Green TD TD 2 TD Green RD 3 RD White Orange Nc 4 Not used Blue Nc 5 Not used White blue RD 6 RD Orange Nc 7 Not used White brown Nc 8 Not used brown Figure 13 RJ 45 Ethernet connection pin ou...

Страница 29: ...onnect the Ethernet cables to the Ethernet ports 2 Connect the Ethernet cables to the Ethernet ports 3 Connect the power cable to the power connector 3 Connect the power cable to the power connector end of procedure 2 2 5 Connecting Power to the Canopy T1 E1 Multiplexer The Canopy T1 E1 Multiplexer is available in two power configurations an external 3 3 v DC power source supplied by Canopy an ext...

Страница 30: ...rnal 48 v DC supply end of procedure 2 3 INITIAL CONFIGURATION PROCEDURES 2 3 1 Installing Software from the CD ROM Procedure 5 Installing Software from the CD ROM Follow these steps to install the software that is provided by Motorola Canopy on the CD ROM onto your PC 1 Load software onto your PC The T1 E1 Multiplexer EMS Graphical User Interface is provided by Canopy on a CD ROM that is shipped ...

Страница 31: ...GUI provides a user friendly graphical display that allows easy to follow steps to configure the unit Fault isolation statistics and events gathering are available The GUI simplifies field installation Examples of drop down menus are provided in Figure 15 and Figure 16 Figure 15 File drop down menu in GUI Figure 16 Config drop down menu in GUI Issue 1 Page ...

Страница 32: ...nal 1 Connect the serial cable from the DB9 serial port on a PC to the Serial port on the Canopy T1 E1 Multiplexer The DB9 connector on Canopy T1 E1 Multiplexer is female the cable from the PC is male A straight through cable is required 2 Start HyperTerminal or another terminal emulation program 3 Set the terminal emulation program to emulate a VT100 terminal with the following settings Parameter...

Страница 33: ...ase 3 1 33 of 69 Figure 17 Command Line Interface window 2 3 5 Creating a Login Account The system is shipped with default setting for the Administrator account The account is active but it is recommended you change the password for this account Issue 1 Page ...

Страница 34: ...GURATION PROCEDURES USING THE CLI 2 4 1 Logging into the System To gain access to the CLI log into the system as described under Configuration Procedures Using the EMS 2 4 2 Changing the Administrator Password Procedure 7 Changing Administrator password using the CLI Use this procedure to use the CLI manager to change the Administrator account password 1 Press Enter 2 At the username prompt enter ...

Страница 35: ...ype Enter get line type RESULT The system returns the line type for all four ports as in the following example Line type T1 E1 Set line type Enter set line type T1 E1 where T1 sets the line type to T1 for all 4 ports E1 sets the line type to E1 for all 4 ports RESULT The system acknowledges the new setting for line type for all four ports as in the following example Line type T1 E1 Reset system En...

Страница 36: ...t to HDB3 B8ZS AMI Get line code Enter get line code RESULT The system returns the line code for all four ports as in the following example Line code 1 2 3 4 set to HDB3 B8ZS AMI end of procedure 2 4 5 Configure Ports Procedure 10 Configuring the Ethernet ports using the CLI Perform this procedure to configure the Ethernet ports using the CLI manager NOTE Both Ethernet ports operate at 100 Mbps Fu...

Страница 37: ...1 Configuring the T1 ports using the CLI Follow this procedure to configure the T1 ports from the CLI manager Action Steps Log in Press Enter At the username prompt enter admin At the password prompt enter password Set T1 line length NOTE If the incorrect line length is selected the result could be decreased T1 quality or echo on voice lines The default length is 133 ft Enter set line 1 2 3 4 leng...

Страница 38: ... Loopback mode loops the T1 E1 Tx clock to the T1 E1 Rx Recovered mode recovers the T1 E1 clock from the incoming T1 E1 over Ethernet bit stream recovers the clock from the far end T1 E1 The default timing mode is Recovered Enter set clock source loopback recovered where loopback recovered represents the clock timing mode RESULT The system responds Clock source is loopback recovered Set master clo...

Страница 39: ... The system responds goodbye end of procedure Procedure 12 Configuring the E1 ports using the CLI Follow this procedure to configure the E1 ports from the CLI manager Action Steps Log in Press Enter At the username prompt enter admin At the password prompt enter password Set E1 line length NOTE If the incorrect line length is selected the result could be decreased E1 quality or echo on voice lines...

Страница 40: ... clock to the T1 E1 Rx Recovered mode recovers the T1 E1 clock from the incoming T1 E1 over Ethernet bit stream recovers the clock from the far end T1 E1 The default timing mode is Recovered For master clock timing mode enter set clock source loopback RESULT The system responds Clock source is loopback For slave clock timing mode enter set clock source recovered RESULT The system responds Clock so...

Страница 41: ...SULT The system responds goodbye end of procedure 2 4 6 Configure Timing Before the timing may be configured you need to determine the network timing scheme to be used You also need to identify the master and slave devices for the end user PBX equipment Procedure 13 Configuring timing using the CLI Action Steps Log in Press Enter At the username prompt enter admin At the password prompt enter pass...

Страница 42: ... system responds Backup clk ref line 1 2 3 4 Set timing mode NOTE Timing mode applies to all four E1 lines Loopback mode loops the T1 E1 Tx clock to the T1 E1 Rx Recovered mode recovers the T1 E1 clock from the incoming T1 E1 over Ethernet bit stream recovers the clock from the far end T1 E1 The default timing mode is Recovered For master clock timing mode enter set clock source loopback RESULT Th...

Страница 43: ...pported 2 Enter the User Name NOTE The default username is admin This value cannot be changed 3 Enter the Password NOTE The default password is 123 If the password has been changed enter the correct password 4 Select the Login button to continue with the login NOTE If the login is unsuccessful the system will generate a pop up error window You may return to the Login window to correct the data Fig...

Страница 44: ...exer June 2004 T1 E1 Multiplexer Release 3 1 44 of 69 Figure 19 T1 E1 Multiplexer EMS main menu end of procedure NOTE You can access CLI commands by selecting File Command Line Terminal from the EMS Main menu Issue 1 Page ...

Страница 45: ... 20 Change Password dialogue box Procedure 15 Changing Administrator password using the EMS Use this procedure to change the password from the EMS 1 Select File Change password from the main menu RESULT The Change Password dialogue box opens shown in Figure 20 2 Type the old password then press Enter or Tab 3 Type the new password then press Enter or Tab 4 Enter the new password again then press E...

Страница 46: ...ops up 8 To reset the system select Yes 9 Select Close RESULT The dialogue box closes and you are returned to the EMS main menu end of procedure 2 5 4 Select Line Coding Procedure 17 Configuring T1 line coding using the EMS Follow these steps to configure T1 line coding from the EMS 1 From main menu EMS select the Configuration Config option 2 Select Configure T1 RESULT The Config dialogue box ope...

Страница 47: ...ogue box once all channels are configured RESULT You are returned to the EMS main menu end of procedure 2 5 5 Configure Ports Procedure 19 Configuring the Ethernet ports using the EMS Follow these steps to configure the Ethernet ports using the EMS 1 From the Main Menu select the pull down menu Config Ethernet RESULT The Ethernet Configuration dialogue box opens 2 Indicate the appropriate choices ...

Страница 48: ...ack to the Rx Recovered mode recovers the clock from the incoming T1 E1 over Ethernet bit stream from the far end T1 E1 13 When all channels are configured select Close to close the dialogue box RESULT You are returned to the EMS main menu end of procedure Procedure 21 Configuring the E1 ports using the EMS Follow this procedure to configure the E1 ports from the EMS 1 From the pull down menu Sele...

Страница 49: ...ng the EMS Use this procedure to configure the timing using the EMS 1 Select Config T1 from the pull down menu RESULT The T 1 Config dialogue box opens 2 Click for Master Clock Reference Line 3 Select which line is to be designated as the master clock reference line 4 Click for Secondary Clock Reference Line 5 Select which line is to be designated as the secondary clock reference line 6 Click on t...

Страница 50: ...tiplexer To do so requires an Ethernet to RS 232 converter An example of such a converter is available at http www precidia com products product1 html The configuration for remote management is illustrated in Figure 21 Canopy T1 E1 Multiplexer DB9 3 3 v Wall Mount Supply Canopy Ethernet To Ethernet Network To E1 T1 Lines Lightning Surge Protector Power over Ethernet Canopy ODU 48 v DC Supply Ether...

Страница 51: ...password prompt enter password View T1 E1 Alarms Enter get alarms The system responds displays alarms for all 4 T1 E1 ports as in the following example Line1 Line code violation No Receive Loss of Signal No Alarm Indication Signal Detect No Line2 Line code violation No Receive Loss of Signal No Alarm Indication Signal Detect No Line3 Line code violation No Receive Loss of Signal No Alarm Indicatio...

Страница 52: ... meaning no current alarms and a red light meaning that there is a current alarm The alarms are also displayed in text form No means that there is not a current alarm Yes means that there is a current alarm 2 The Alarms Log window lists alarms that have occurred for all 4 T1 E1s while the window is open An alarm log file is automatically written for all 4 T1 E1s The file exits in the same director...

Страница 53: ...ter reset RESULT The system responds Resetting then immediately resets both Ethernet Interfaces and all 4 T1 E1 interfaces without asking for a confirmation end of procedure Follow these steps to reset the system using the EMS Procedure 26 Resetting the system using the EMS 1 Select the File Reset menu option RESULT A confirmation window pops up 2 To reset the system select Yes NOTE Selecting No c...

Страница 54: ...rovides a bi directional loopback on the T1 E1 interface The near end T1 E1 Transmit is looped back to the near end Receive and the far end T1 E1 transmit that arrives over the BH Ethernet port is looped back to the far end Receive The T1 E1 loopback remains in effect until the user removes the loopback through the CLI or through the EMS or the system is reset The T1 E1 loopback remains in effect ...

Страница 55: ...h 4 on will enable T1 E1 loopback off will remove the T1 E1 loopback The system responds Line 1 2 3 4 loopback is on off Log off Enter lo RESULT The system responds goodbye end of procedure 3 4 2 Invoking a T1 E1 Loopback Using the EMS Procedure 28 Invoking a T1 E1 loopback using the EMS Use this procedure to invoke a T1 E1 Loopback from the EMS 1 Select the Test Loopback menu option RESULT The Lo...

Страница 56: ...orrect values in the framing bit position In service or out of service Approximates bit error rate on in service basis Evaluates only overhead bits CRC errors Bit errors in a block of data In service or out of service 98 4 bit error rate accuracy Available with only ESF framing 3 6 LICENSE KEY UPGRADES As previously described you can transform any single port enabled Canopy T1 E1 Multiplexer into ...

Страница 57: ...en the Key accepted window appears see Figure 26 If the upgrade failed then the Failed Invalid key entry window appears see Figure 27 Figure 26 Key accepted window Figure 27 Invalid key entry window NOTE At any later date you can confirm the number of enabled ports as follows 4 From the main menu select Config Canopy T1 E1 Mux RESULT The Canopy T1 E1 Mux Configuration window opens as shown in Figu...

Страница 58: ...NG AGREEMENT IS A LEGAL AGREEMENT BETWEEN YOU EITHER AN INDIVIDUAL OR ENTITY AND MOTOROLA INC FOR ITSELF AND ITS LICENSORS THE RIGHT TO USE THIS PRODUCT IS LICENSED ONLY ON THE CONDITION THAT YOU AGREE TO THE FOLLOWING TERMS Now therefore in consideration of the promises and mutual obligations contained herein and for other good and valuable consideration the receipt and sufficiency of which are h...

Страница 59: ...t Motorola s option replacement of the disk s provision of downloadable patch or replacement code or refund of the unused portion of your bargained for contractual benefit up to the amount paid for this Software License THIS LIMITED WARRANTY IS THE ONLY WARRANTY PROVIDED BY MOTOROLA AND MOTOROLA AND ITS LICENSORS EXPRESSLY DISCLAIM ALL OTHER WARRANTIES EITHER EXPRESS OF IMPLIED INCLUDING BUT NOT L...

Страница 60: ...s You shall comply strictly with all requirements of all applicable export control laws and regulations with respect to all such software and materials U S Government Users If you are a U S Government user then the Software is provided with RESTRICTED RIGHTS as set forth in subparagraphs c 1 and 2 of the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 or subparagraph c 1 ii ...

Страница 61: ... search capability for keywords that apply 2 2 Visit the Canopy systems website at http www motorola com canopy 3 Ask your Canopy products supplier to help 4 View and analyze event logs error messages and debug messages to help isolate the problem 5 Check release notes and verify that all of the Canopy equipment are on the correct software releases per the correct software release notes 6 Verify t...

Страница 62: ...Canopy T1 E1 Multiplexer June 2004 T1 E1 Multiplexer Release 3 1 62 of 69 3 9 INVOKING YOUR WARRANTY RIGHTS For warranty assistance contact your reseller or distributor for the process Issue 1 Page ...

Страница 63: ...uto negotiation mode for the Canopy BH Ethernet port If auto negotiation is set to OFF the port will be forced to 100 Mbps Full Duplex Get LAN side Ethernet auto negotiation Enter get lan port auto negotiation The system responds LAN port auto negotiation is on off Get the auto negotiation mode for the customer LAN Ethernet port If auto negotiation is set to OFF the port will be forced to 100 Mbps...

Страница 64: ...decibels If the incorrect line length is selected the result could be decreased T1 quality or echo on voice lines Get T1 line code Enter get code line 1 2 3 4 where 1 2 3 4 represents T1 ports 1 through 4 The system responds Line 1 2 3 4 code B8ZS AMI Gets the T1 line code If the line code does not match Bipolar Violations BPVs will occur Get E1 line code Enter get code line 1 2 3 4 where 1 2 3 4 ...

Страница 65: ... the far end T1 Get the master clock reference line Enter get master clock reference line The system responds Clk ref line 1 2 3 4 NOTE 1 2 3 4 represents T1 E1 ports 1 through 4 Displays the T1 master clock reference line This clock reference applies for all four T1 lines Get the secondary clock reference line Enter get secondary clock reference line The system responds Backup clk ref line 1 2 3 ...

Страница 66: ...Line code violation No Receive Loss of Signal No Alarm Indication Signal Detect No Line4 Line code violation No Receive Loss of Signal No Alarm Indication Signal Detect No FPGA 00 Read Serial Number Reads the serial number of the Canopy T1 E1 Multiplexer Get T1 E1 Loopback Mode Enter get loopback line 1 2 3 4 where 1 2 3 4 represents T1 E1 ports 1 through 4 The system responds Line 1 2 3 4 loopbac...

Страница 67: ...e and 2 This device must accept any interference received including interference that may cause undesired operation 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 This equ...

Страница 68: ...andards Institute Statement of Compliance Information to User This equipment has been tested and found to comply with the European Telecommunications Standard ETS 300 328 This standard covers Wideband Data Transmission Systems referred to in CEPT Recommendation T R 10 01 This type accepted equipment is designed to provide reasonable protection against harmful interference when the equipment is ope...

Страница 69: ...ert F Jr David M Sylvar and Jerry L Ulcek Federal Communications Commission Office of Engineering and Technology OET Bulletin No 65 Edition 97 01 August 1997 Evaluation Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields European Telecommunications Standard ETS 300 328 2nd Edition November 1996 Radio Equipment and System RES Wideband Transmission Systems Tech...

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