USER MANUAL
Contents
1. SW2 6 SW2 5 LBO Off Off 0 dB 0 133 ft Off On 7 5 dB On Off 15 0 dB On On 22 5 dB Switch SW2 4 Line Coding This switch is used to set the line code There are two line coding options available through the DIP switches B8ZS and AMI The line code refers to the way that the signal the seguence of ones and zeros sent to the network is encoded AMI reverses the polarity of consecu tive pulses B8ZS is identical to AMI except that under certain stances the alternate polarity rule is deliberately violated AMI This stands for Alternate Mark Inversion The CSU DSU transmits data as a seguence of ones and zeros Ones are usually sent as pulses and zeros as spaces no pulse In order to maximize transmission range every pulse is of the opposite polarity of the preceding pulse AMI does nothing else Maintaining network integrity requires a minimum pulse density ones desity of the signal being transmitted on the network AMI does not inherently provide for this feature Thus if a long sequence of zeros happen to be sent the net work may suffer To meet this requirement using AMI requires one of two methods Reduce the rate of each time slot DSO to 56 kbps so that the last bit can be used to guarantee the minimum ones density Or make sure that the DTE sends data in such a way that ones density is always maintained For this reason B8ZS may be preferred over AMI 12 Baud rate 9600 Parity None Data L2. nx56 64 2 3 2 The 2710A as a High Speed Short Range Modem The Model 2710A can also be installed into high speed campus applications In this application a pair of Model 2710A units operate as short range modems see below Model 2710As 1 544MBps nx56 64 i D Up to 6000 Feet 1 83 km 3 0 CONFIGURATION Before placing the Model 2710A into service the unit must be con figured to match both the DTE and Network interface parameters Configuration may be accomplished using pc board mounted DIP Switches or via software using the RS 232 control port 3 1 DIP SWITCH CONFIGURATION The Model 2710A has sixteen internal DIP switches that allow con figuration for a wide range of applications The sixteen switches are accessed by opening the plastic case with a small screwdriver Figure 1 below shows the location of the DIP switches on the bottom of the printed circuit board DIP Switches SW1 amp SW2 ON E d E FF E E E E LL E E E Figure 1 Model 2710A Series bottom view showing location of DIP switches The Model 2710A DIP switches can be configured as either On
3. 43 Appendix D Interface Pin Assignments 44 Appendix E Power Supply Interface 46 1 1 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warrant ed for One Year parts and labor If any questions or problems arise during installation or use of this product please do not hesitate to con tact Patton Electronics Technical Support at 301 975 1007 1 1 WARRANTY STATEMENT Patton Electronics warrants all Model 2710A Series components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materi als and does not cover customer damage abuse or unauthorized modification This product contains no serviceable parts therefore the user shall not attempt to modify the unit in any way If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequential damages aris ing from the use of or inability to use this product Patton Electronics specifically d
4. or Off Figure 2 below shows the orientation of the DIP switches with respect to ON OFF positions 84468444 Figure 2 Close up of DIP switches showing ON OFF positions Default positions for Switches SW1 SW8 are shown in the table on the following page Descriptions of each switch follow the table 3 1 1 Switches SW1 and SW2 The configuration switches on the DIP switch pack will allow you to specify data rates line framing and coding DSO rate clock mode and Line Build Out LBO Factory default settings of all switches are shown in the table below SWITCH SETTING SUMMARY TABLE Position Function Factory Default Selected Option SW1 8 Data Rate SW1 7 Data Rate 1 536 Mbps SW1 6 Data Rate DTE Rate SW1 5 Data Rate SW1 4 Data Rate SW1 3 Starting Channel SW1 2 Starting Channel Contiguous SW1 1 Starting Channel Starting From SW2 8 Starting Channel Channel SW2 7 Starting Channel SW2 6 Line Build Out OdB SW2 5 Line Build Out SW2 4 Line Coding B8ZS SW2 3 Line Framing Off ESF ANSI T1 403 SW2 2 DSO Rate Clock On 64 kbps SW2 1 Clock Mode Off Network In unframed mode 1 544 Mbps SW2 2 is used with SW2 1 to determine the clocking mode In modes ESF or 04 only net work and internal clocking are available In unframed mode where the DTE data rate is 1 544 Mbps a third clocking option is available exter nal clocking in which the CSU deriv
5. USER MANUAL MODEL 2710A Series T1 Fractional T1 to V 35 Converter T1 Fractional T1 CSU DSU TABLE OF CONTENTS Section Page 1 0 General Information L Lee aus seka 2 as 2 1 1 Warranty Statement 1 2 CE Notice 1 3 Radio and TV Interference 1 4 FCC Information 1 4 1 FCC Compliance 1 5 Industry Canada Notice 1 6 Service Information 2 0 General Information 55554 5 2 4 25 4 712222 042 51222517 08125 38686073821 6 2 1 Features 2 2 General Product Description 2 3 Supported Applications 2 3 1 The 2710A as the Interface Between the Telco and CPE 2 3 2 The 2170 as High Speed Short Range Modem 3 0 a a S 8 3 1 DIP Switch Configuration 3 2 Software Configuration 3 2 1 Introduction to Main Menu 3 2 2 System Configuration 3 2 3 Systems Diagnostics 3 2 4 Unit Options OU aciu ae 34 4 1 DTE Interface Connection 4 2 Network Interface Connection 4 3 Power Connection 4 3 1 Using the AC Power Supply 120VAC 100 240VAC 4 3 2 Supplying DC Power 4 3 3 Supplying Power via Pin KK 5 02 1 5 36 5 1 LED Descriptions 5 2 Loop V 54 8 Telco Diagnostics 5 2 1 Operating Local Loopback LL 5 2 2 Operating Remote Digital Loopback RL 5 2 3 Central Office Loops 5 3 Bit Error Rate V 52 Diagnostics Appendix Specihications ca ita 41 Appendix B Cable 42 Appendix C Factory Replacement Parts and Accessories
6. ength 8 Stop Bits 1 Default terminal type VT100 Local Echo Off Add Line Feeds after CRs Off Received Backspace Destructive On Backspace key sends BS XON XOFF software flow control On CTS RTS hardware flow control Off DSR DTR hardware flow control Off Model Out dB Lin 15 min increments and of seconds Patton Electronics in currert interval System Diagnostics Statistics Menu Management Local Loop Idle NI STATUS ESF Current 24 Hour Data Remote Loop Idle EXZ 1 5 Test Pattern Idle FE SE Valid Intervals Cout 1961 Error Insertion Off LOS OOF Current Interval Time 557 Selected Pattern ORSS 1 Switch 1 0n 24 Hour On Rx Level dB On lt 22 5 0ff Patton Electronics 0n DIP Sw setting Display Bandwidth Allocation Menu Management Di 0ff Link status display Off segi be connected c 00010000000300023289 Error Counts ACTION Select Item Highlighted Item Change Options Space Bar Exit Esc Redraw Screen Ctrl L Clear ESF Stats Ctrl H or Backspace Indicates Ch 24 is ON Model 2710AFT1 CSU gt _ q _ _ Commands and text entered here Received ANSI performance report message PRM ESF only Bandwidth Selected Total 15 124 4 ACTION Total Ba
7. es its transmit timing source from the DTE See Appendix D for external timing pin data CLOCK MODE Clock Mode Don t Care Network Don t Care Internal Don t Care Network Internal External Switches SW1 8 SW1 7 SW1 6 SW1 5 amp SW1 4 DTE Data Rate These switches set the DTE date rate Each setting represents an nx56 nx64 setting The chart below shows the switch settings and the acheived DTE data rate Note 1 SW2 2 is used to set the 0 0 rate to 56 kbps 64 kbps 2 For unframned mode 1544 kbps set SW1 8 SW1 7 SW1 6 SW1 5 amp SW1 4 to OFF MODEL 2710A DTE DATA RATE sw sw sw s swra DTE Data Rate ot Off Off Off On 56 64 kbps n 1 or or on or rene kops na loft Of Off On On 168 192 kbps n 3 or on or om 220 256 Kops naa or on on or secs Kops no off Of On On On 392 448 kbps n 7 on or or or 4401512 Kops naa On Off Off On 504 576 kbps n 9 on or on or 560 640 kops n 10 Off On Off On On 616 704 kbps n 11 or on on or or 6727768 Kops nt on On On 728832 kops n 13 Of On On On Off 784 896 kbps n 14 on on on On 840060 Kops n 16 on or or or on 952 088 kops n 17 On Of Of On Of 1008 1152 kbps n 18 on or on 1064 1216 eps 19 on or o or
8. isclaims all other warranties expressed or implied and the installation or use of this product shall be deemed an acceptance of these terms by the user In the event the user detects intermittent or continuous product malfunction due to nearby high power transmitting radio frequency equipment the user is strongly advised to use only data cables with an external outer shield bonded to a metal or metal ized connector 1 2 CE NOTICE The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the Electromagnetic Compatibility EMC directive and the Low Voltage Directive LVD of the Union European EU A Certificate of Compliance is available by contacting Patton Electronics Technical Support WARNING This device is not intended to be con nected to the public telephone network in Europe 2 3 SUPPORTED APPLICATIONS The Model 2710A provides a T1 DS1 network termination between the service provider and customer premises equipment CPE such as router The Model 2715 can be used as an E1 FE1 to V 35 Converter an T1 FT1 Network Terminating Unit and also as a high speed short haul modem for campus applications 2 3 1 The 2710A as the Interface between the Telco and CPE The Model 2710A provides the interface between the service provider and customer equipment such as a router or switch See below Model 2710A Router y BSE al LAN D c 05000060 nn O 1 544Mbps
9. ndwidth Letter of DSO channel channels ON Select Item Highlighted Item Redraw Screen Ctrl 1 Change Option Space Bar Exit Esc Model 2710 CSU 4 amp 4 Commands and text entered here 2 FE SE LOS OOF Rx PRM 00010000000300023289 Item n Enter 1 c1 L e Loop Timeout The Loop Timeout setting can be set to one of the following 00 05 five minutes 00 10 ten minutes 00 15 fifteen minutes 00 30 thirty minutes default setting 00 45 forty five minutes 01 00 one hour 01 30 90 minutes 02 00 two hours 03 00 three hours NEVER forever the unit will remain in loopback without user intervention El set to Default Configuration You may set the Model 2710A to its factory default configuration except for the header lines and the password by executing the Set to Default Configuration command B Service Information If you need to contact us for help you can view the Service Information screen Here is what it looks like Patton Electronics Service Information Henu Management Firmware Revision 1 0a Customer Support Tel 301 975 1000 Patton Electronics Customer Service Department Fax 301 569 9293 7622 Rickenbacker Drive Gaithersburg MD 20879 Web http www patton com USA Email support patton com ACTION E
10. on 1976 1344 kops can on of On On Of 1232 1408 kbps n 22 _ on or o on on 281472 eps 23 on on or 1344 1536 kops n 24 10 Switches SW1 3 SW1 2 SW1 1 SW 2 8 amp SW2 7 T1 Starting Channel These switches set the starting channel The starting channel is the first channel that carries valid data This channel can be set to any value between 1 and 24 If the starting channel is other than 1 then the maximum possible bandwidth will be less than 1536 kbps example if the starting channel is set to be 12 then the maximum bandwidth is limited to 13 64 kbps channels 12 24 or 832 kbps This must be kept in mind when setting the starting channel The Model 2710A will flash the ERR indicator LED if the switch setting is invalid Refer to section 5 1 for a more detailed explanation of the ERR LED function T1 STARTING CHANNEL T1 Starting Channel SW2 7 maximum value of n or on al Off Off Fon On On On On Fon Off Off Off Off Off Off Off Off Off on On n On jon On on on Switches SW2 6 amp SW2 5 Line Build Out These switches are used to set the line build out LBO The LBO controls the pulse shape and attenuation of the signal sent to the net work The amount of LBO depends on the distance to the nearest repeater The telephone company providing the T1 service will advise you of the required LBO setting
11. xit Esc Redraw Screen Ctrl L Model 2710AFT1 CSU 33 4 0 INSTALLATION The Model 2710A is equipped with DTE network and power interfaces This section briefly describes connection to each 4 1 DTE INTERFACE CONNECTION The DTE interface is a V 35 DCE presented as an M 34 male con nector This interface is designed to plug directly into a DTE interface See Appendix D for V 35 interface pin assignments 4 2 NETWORK INTERFACE CONNECTION The Network Line Interface is an eight position keyed modular jack configured as a RJ 48C This interface will need to be configured to match the line parameters i e framing line coding etc supplied by the central office 1 RX Data TIP RX Data RING i 3 no connection MN TX Data TIP 5 TX Data RING 5 0 connection w no connection 8 no connection Figure 3 Model 2710A twisted pair line interface NOTE If the Model 2710A is being used for private short range modem applications the twisted pair cable connected to its port will need to be a crossover cable See Appendix D for Interface pin assignments 34 To Power To 48VDC Supply Jack x 5 vin Source VOLZZH 142 ISPOW Black lead V Re V Figure 4 Top of Model Patton Electronics Showing LED Indicators Copyright 2006 Patton Electronics Company All Rights Reserved 45
Download Pdf Manuals
Related Search