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61203025L1-1

T1 ESF CSU ACE User Manual

1-1

Chapter 1

Introduction

T1/FT1 OVERVIEW

T1 digital communication links have been used by telcos for the
transmission of voice since the early sixties. The D4 channel bank is
an example of a T1 digital carrier system that was introduced in the
mid-seventies and is still widely used by the telcos.
Communication demands of business continued to grow to the
point that the telcos began offering T1 service directly to the public.
D4 channel banks were used for T1 in corporate network
topographies for voice. The technological advances in computer
development also created a demand for T1 data communication
which now is a large part of the T1 traffic.

T1 Service Offerings

T1 is a digital service that is delivered to the user over two pairs of
wires from the service provider. The signal operates at 1.544 Mbps
and is usually extended by repeaters installed approximately every
mile after the first 6000 feet. The T1 signal is divided into 24 time
slots which operate at 64 kbps (DS0s). Each time slot is occupied by
digitized voice or by data.

The T1 signal originally used a type of framing known as D4
superframe (SF), which identifies how the T1 is multiplexed. An
enhancement of that framing format, called extended superframe
(ESF), is available. ESF provides a non-disruptive means of full-
time monitoring on the digital facility. It was originally used by
service providers to monitor the performance of their service

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Содержание Cable T1 ESF CSU ACE

Страница 1: ...T1 ESF CSU ACE User Manual Part Number 1203025L1 61203025L1 1C May 2001 ...

Страница 2: ...DTRAN OpenView is a registered trademark of Hewlett Packard Company SunNet Manager is a trademark of Sun Micro Systems Inc 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 256 963 8000 2001 ADTRAN Inc All Rights Reserved Printed in U S A ...

Страница 3: ...dless type during an electrical storm There is a remote risk of shock from lightning 3 Do not use the telephone to report a gas leak in the vicinity of the leak 4 Use only the power cord power supply and or batteries indicated in the manual Do not dispose of batteries in a fire They may explode Check with local codes for special disposal instructions Save These Important Safety Instructions Notes ...

Страница 4: ... transmitted on the network The affidavit shall affirm that either no encoded analog content or billing informa tion is being transmitted or that the output of the device meets Part 68 encoded analog content or billing protection specification End use customer will be responsible to file an affidavit with the local exchange carrier when connecting unprotected CPE to a 1 544 Mbps or subrate digital...

Страница 5: ...tion information continuously complies with Part 68 of the FCC rules and Regulations The digital CPE does not transmit digital signals containing encoded analog con tent or billing information which is intended to be decoded within the telecommuni cations network The encoded analog content and billing protection is factory set and is not under the control of the customer I attest that the operator...

Страница 6: ...____________ telco s name with proper documentation to demonstrate compliance with the information in the preceding paragraph if so requested _____________________ Signature _____________________ Title _____________________ Date Subscribed and sworn to before me This _________ day of ___________________ 20__ _______________________________________ Notary Public My commission expires ______________...

Страница 7: ...cation is given as soon as possible The telephone company will advise the customer of the right to file a complaint with the FCC 5 The telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of this equipment If this hap pens the telephone company will provide advance notification and the opportunity to make the necessary modif...

Страница 8: ...in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with Class A FCC limits Canadian Emissions Requirements This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard enti tled Digital Apparatus...

Страница 9: ...ons Repairs to certified equipment should be made by an authorized Canadian mainte nance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the po...

Страница 10: ...nty becomes null and void if Customer modifies or alters the equipment in any way other than as specifically authorized by ADTRAN EXCEPT FOR THE LIMITEDWARRANTY DESCRIBED ABOVE THE FOREGOING CONSTITUTES THE SOLE AND EXCLUSIVE REMEDY OF THE CUSTOMER AND THE EXCLUSIVE LIABILITY OF ADTRAN AND IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ADTRAN SPECIFICALLY DIS CLAIMS ALL OTHER WARR...

Страница 11: ... distributor first If your local distributor cannot help please contact ADTRAN Technical Support and have the unit serial number available The Custom Extended Services ACES program offers multiple types and levels of ser vice plans which allow you to choose the kind of assistance you need For questions call the ACES Help Desk Repair and Return If ADTRAN Technical Support determines that a repair i...

Страница 12: ...r most popular products These courses include overviews on product features and func tions while covering applications of ADTRAN s product lines ADTRAN provides a va riety of training options including customized training and courses taught at our facilities or at your site For more information about training please contact your Terri tory Manager or the Enterprise Training Coordinator Training ph...

Страница 13: ...atures 1 5 Interface Features 1 6 NI Labeled NET 1 6 T1 Labeled CPE 1 6 Control Port Input Labeled EIA 232 1 6 Four Methods of Control 1 7 Front Panel 1 7 ADTRAN PC Program 1 7 SNMP 1 7 ASCII Terminal 1 8 T1 ESF CSU ACE Testing 1 8 Self Test 1 8 Loopback Tests 1 9 Network Loopbacks 1 9 DTE Interface Loopbacks 1 10 Pattern Generation 1 10 All Ones 1 10 All Zeroes 1 10 1 in 8 1 8 1 10 Applications 1...

Страница 14: ...ation 3 3 Description of Menu Tools 3 3 Data Field 3 3 Display Field 3 3 Arrows 3 3 Example Menu Operation 3 3 Selecting a Main Menu Item 3 3 Selecting a Submenu Item 3 4 Setting Cancelling the Data Field 3 5 View Display Only Data Fields 3 6 Exiting or Returning to Previous Menus 3 6 Menu Structure 3 6 The Four Opening Menu Functions 3 8 STATUS 3 8 NI PERF RPTS 3 9 NI ERR ALM 3 9 NI HISTORY 3 9 T...

Страница 15: ...ubmenu of 2 CONFIG 3 15 2 UNIT Submenu of 2 CONFIG 3 18 3 TERMINAL TI Submenu of 2 CONFIG 3 20 3 UTIL 3 21 1 TIME DATE Submenu of 3 UTIL 3 22 2 SOFTWARE REV Submenu of 3 UTIL 3 22 3 REINIT UNIT Submenu of 3 UTIL 3 22 4 ADDRESS Submenu of 3 UTIL 3 23 5 SET PASSCODE Submenu of 3 UTIL 3 23 6 FACT RESTORE Submenu of 3 UTIL 3 23 7 REMOTE T WATCH Submenu of 3 UTIL 3 23 4 TEST 3 24 1 LOCAL LOOPBK Submenu...

Страница 16: ...Table of Contents xvi T1 ESF CSU ACE User Manual 61203025L1 1 ...

Страница 17: ...u Item from the Main Menu 3 3 Figure 3 3 Menu with Additional Item s Not Shown 3 4 Figure 3 4 Submenu Indicating Additional Items Not Shown 3 4 Figure 3 5 Editing a Data Field 3 5 Figure 3 6 The Four Opening Menus 3 6 Figure 3 7 T1 ESF CSU ACE Menu Tree 3 7 Figure 3 8 Four Opening Menus and First Level Submenus 3 8 Figure 3 9 Status Menu Tree 3 11 Figure 3 10 First Menu of NI PERF RPTS Menu 3 12 F...

Страница 18: ...1203025L1 1 Figure 3 18 Time Data Screen 3 22 Figure 3 19 Re initialize Unit Address Screen 3 23 Figure 3 20 Test Menu Tree 3 24 Figure 3 21 Local Loopback Test Screen 3 25 Figure 3 22 Self Test Result Screen 3 27 Figure A 1 Power Connection Wiring A 1 ...

Страница 19: ...61203025L1 1 T1 ESF CSU ACE User Manual xix List of Tables Table A 1 RJ 48C Connector Pin Assignments A 2 Table A 2 EIA 232 Connector Pin Assignments A 2 ...

Страница 20: ...List of Tables xx T1 ESF CSU ACE User Manual 61203025L1 1 ...

Страница 21: ...T1 data communication which now is a large part of the T1 traffic T1 Service Offerings T1 is a digital service that is delivered to the user over two pairs of wires from the service provider The signal operates at 1 544 Mbps and is usually extended by repeaters installed approximately every mile after the first 6000 feet The T1 signal is divided into 24 time slots which operate at 64 kbps DS0s Eac...

Страница 22: ...EW Most carriers regional or local telcos when supplying a T1 line to customer premises equipment CPE require an interface to monitor the T1 line The T1 ESF CSU ACE extended superframe channel service unit advanced communication equipment provides the required interface between the CPE such as DSUs channel banks T1 multiplexers and PBXs and telco or private T1 facilities See Figure 1 1 Figure 1 1 ...

Страница 23: ...vides the simultaneous use of performance report messages of ANSI T1 403 and maintenance messages of AT T TR54016 The T1 ESF CSU ACE also provides conversion from SF to ESF framing formats allowing older SF data terminal equipment DTE to take advantage of superior diagnostic capabilities of ESF T1 facilities The unit complies with Part 68 of FCC Rules and with applicable sections of AT T 62411 ANS...

Страница 24: ...Chapter 1 Introduction 1 4 T1 ESF CSU ACE User Manual 61203025L1 1 Figure 1 2 shows the T1 ESF CSU ACE and Figure 1 3 shows the jack signal directions Figure 1 2 T1 ESF CSU ACE Front View ...

Страница 25: ...n external power supply Power cable enables customers to use their own 48 VDC supply Can be wall mounted to virtually any surface There are rubber feet on the unit for use on a table top Can configure a modem so that it does not have to be configured before installation Backs up configuration data in NVRAM and EEPROM so that the configuration data is nonvolatile longer than the life of the lithium...

Страница 26: ...ce monitoring and reporting Local and remote test loopbacks Extensive self test T1 Labeled CPE Features of the terminal interface TI include the following D4 or ESF framing independent of NI AMI or B8ZS coding Transmit LBO to 655 feet DTE loopback Control Port Input Labeled EIA 232 Features of the control port include the following EIA 232 input from a PC or a modem for control of the T1 ESF CSU A...

Страница 27: ...The T Watch program displays the same status and performance data as the front panel LCD This data is displayed in the form of tables and graphs The T Watch program has the following capabilities Interface with modem permits dialing into a remote T1 ESF CSU ACE location to configure the unit or read the unit s status or performance Performance data read from the units can be exported in a file whi...

Страница 28: ...g Self test Loopback tests Pattern generation Self Test The self test checks the integrity of the internal operation of the electronic components by performing memory tests and by sending and verifying data test patterns through all internal interfaces Although actual user data cannot be passed during these tests the self test can be run with the network and DTE interfaces in place and will not di...

Страница 29: ...oopbacks can be remotely controlled by out of band commands using the T1 ESF FDL or from T Watch using a modem connection A discussion of network loopbacks and DTE interface loopbacks follows Network Loopbacks There are two types of network loopbacks line loopbacks and payload loopbacks These are illustrated in Figure 1 4 Line Loopback Loops all of the received data back toward the network The tra...

Страница 30: ... The T1 ESF CSU ACE offers three test patterns All Ones All Zeros and 1 8 These patterns can be initiated from the front panel through the EIA 232 control port or remotely via a management software like T Watch All Ones The All Ones pattern sends ones in all the payload bits All Zeroes The All Zeros pattern sends zeros in all the payload bits and is useful for testing line code configuration AMI B...

Страница 31: ...l 1 11 APPLICATIONS Three applications are shown in this section Figure 1 6 shows a general data application Figure 1 7 on page 1 12 shows a general voice application and Figure 1 8 on page 1 12 shows a channel bank application Figure 1 6 General Data Application ...

Страница 32: ...Chapter 1 Introduction 1 12 T1 ESF CSU ACE User Manual 61203025L1 1 Figure 1 7 General Voice Application Figure 1 8 Channel Bank Application DSX 1 DSX 1 ...

Страница 33: ...l Support If possible keep the original shipping container to ship the T1 ESF CSU ACE back for repair or to verify damage during shipment Shipped by ADTRAN The following items are included in the ADTRAN shipment The T1 ESF CSU ACE Line interface cable an 8 position modular to 8 position modular 48 VDC power supply The user manual Provided by Customer The following items must be supplied by the cus...

Страница 34: ... power supply Both have a three pin receptacle that plugs into the power connection on the bottom right edge of the T1 ESF CSU ACE Once power has been applied to the unit the power LED turns on See Figure 2 1 for an illustration of the cable installation Refer to Figure A 1 on page A 1 for power connection wiring Figure 2 1 Power Connection With the T1 ESF CSU ACE face up plug the cable in with th...

Страница 35: ...ts the unit to the network The connector marked CPE connects the unit to the data terminal equipment These connectors have exactly the same pinouts See Table A 1 on page A 2 for the RJ 48 connector pin assignments EIA 232 Connector The EIA 232 connector is used to connect the T1 ESF CSU ACE to a proxy agent T Watch an ASCII terminal or a modem See Table A 2 on page A 2 for the connector pin assign...

Страница 36: ...y an initialization sequence that sets up the unit Self Test Upon a power up or self test the LCD displays ADTRAN T1 ESF CSU ACE INITIALIZING and the LEDs illuminate momentarily When the self test is completed with no failures detected the LCD momentarily displays ALL TESTS PASSED If a failure is detected it is displayed in the LCD window The automatic self test procedure consists of the following...

Страница 37: ...SF CSU ACE User Manual 3 1 Chapter 3 Operation The T1 ESF CSU ACE can be configured and controlled via the local front panel the EIA 232 control port or T Watch This chapter describes configuration from the front panel ...

Страница 38: ...ion 3 2 T1 ESF CSU ACE User Manual 61203025L1 1 FRONT PANEL OPERATION The T1 ESF CSU ACE front panel operating functions are shown in Figure 3 1 and defined in this section Figure 3 1 T1 ESF CSU ACE Front Panel Layout ...

Страница 39: ...n identifies a field available for editing Display Field This menu field contains alarm or error information Arrows Menus that display small up or down arrows in the lower right corner indicate that there are more menu items viewable on the two line LCD Access additional menu items with the up or down SCROLL keys Example Menu Operation Selecting a Main Menu Item To select a menu item from the Main...

Страница 40: ...s Not Shown Selecting a Submenu Item To select the desired submenu item similar to selecting a Main menu item follow these steps 1 Use the up and down SCROLL keys to place the cursor on the desired menu item in this example 1 NETWORK NI See Figure 3 3 2 The unit responds by displaying the first two available data field items The cursor is on the number of the first item When there are more than tw...

Страница 41: ...CROLL keys to scan the available value settings displayed one at a time in the data field position 3 When the desired value is in the data field position press Enter to set the value The unit now is set for the value shown in the data field and the cursor moves back to the submenu item position indicating that the operation is complete Another submenu field may be selected or use Cancel to return ...

Страница 42: ...vious Menus Press the Cancel key to exit a menu field or return to a previous menu level MENU STRUCTURE The T1 ESF CSU ACE uses hierarchical menus to access its many features The top most or Main menu level see Figure 3 6 and Figure 3 8 leads to submenus which are grouped by functionality All menu operations are displayed in the LCD window Figure 3 6 The Four Opening Menus Figure 3 7 on page 3 7 s...

Страница 43: ...S 5 KEEP ALIVE 4 T1 ERR ALM FRAME BIT ERRORS 6 BIT STUFFING 5 T1 HISTORY 7 SET LBO 8 NET LB 1 NETWORK NI 9 RX SENSITIVITY 1 MODEM INIT MAIN MENU 2 UNIT 1 CONTROL PORT 2 DATA RATE 2 CONFIG 2 ALARMS 1 TRAPS 2 OUTPUT 1 FORMAT 3 TEL NUM 2 CODE 3 TERMINAL T1 3 SET LBO 1 TIME DATE TIME HH MM SS DATE MM DD YY 3 UTIL 2 SOFTWARE REV Dis plays current s w rev 3 REINIT UNIT 4 ADDRESS 5 SET PASSCODE 1 REMOTE ...

Страница 44: ... The opening menu is the access point to all other operations There are four Main menu items STATUS CONFIGURATION UTILITY and TEST Each Main menu item has several functions and submenus to identify and access specific parameters In the discussions that follow each Main menu item contains a complete menu diagram to identify the location of each operation 1 NI PERF RPTS 2 NI ERR ALM 1 STATUS 3 NI HI...

Страница 45: ...d by the T1 ESF CSU ACE NI HISTORY Use to view and clear network interface history errors and alarms T1 ERR ALM Use to view current terminal interface errors alarms reported by the T1 ESF CSU ACE T1 HISTORY Use to view and clear terminal history errors and alarms CONFIG Use the Configuration menu to set T1 ESF CSU ACE operational configuration This menu includes the following selections NETWORK NI...

Страница 46: ...the factory default settings but will simply reset the unit ADDRESS View and change current Unit Address used for control port access SET PASSCODE View and change current passcode used for control port access only FACT RESTORE Restore factory default settings for all unit parameters REMOTE T WATCH Configure the unit for communication with a remote unit via the FDL facility data link TEST Use the T...

Страница 47: ...ESF CSU ACE User Manual 3 11 REM LB Use to send remote loopback codes to the far end T1 ESF CSU ACE TEST PATTERN Use to select a test pattern to send out the network interface of the T1 ESF CSU ACE RUN SELFTEST Use to initiate a self test ...

Страница 48: ...o the Main menu 1 STATUS The Status menu branch lets you view the status of the T1 ESF CSU ACE operation See Figure 3 9 Figure 3 9 Status Menu Tree RESET PERF CNTRS LOSS OF SIGNAL SES AIS ALARM 1 NI PERF RPTS ES OUT OF FRAME AV YELLOW ALARM EF RED ALARM CVs CODE VIOLATIONS BIPOLAR VIOLATIONS 2 NI ERR ALM FRAME BIT ERRORS 1 STATUS 3 NI HISTORY CLEAR HISTORY LOSS OF SIGNAL AIS ALARM OUT OF FRAME YEL...

Страница 49: ...1 403 andAT T document TR54016 The data displayed is data accumulated over the last 15 minutes and over the last 24 hours Figure 3 10 First Menu of NI PERF RPTS Menu These fields cannot be edited only cleared as previously discussed Only the user copy of the performance data is cleared The network management performance data history remains unaffected Separate carrier totals are kept which can onl...

Страница 50: ...larms on the network interface Figure 3 12 First Current NI Errors Alarms Screen The up and down SCROLL keys are used to access the complete display of the errors alarms that are currently active The alarms and errors which can be seen are shown below Loss of Signal No pulses received at NI AIS Alarm Unframed all ones received at NI Out of Frame No framing pattern sync at NI Yellow Alarm Receiving...

Страница 51: ...alarm has occurred since the last Clear History selection the menu will be active If the condition hasn t occurred the menu will be inactive The Clear History screen is shown in Figure 3 13 Figure 3 13 Clear History Screen These conditions are the same as for the NI ERR ALM submenu except with these are history Alarm Errors instead of current Alarm Errors 4 T1 ERR ALM Submenu of 1 STATUS The T1 ER...

Страница 52: ... Submenu of 2 CONFIG This menu is used to access the configuration of parameters associated with the network interface in the T1 ESF CSU ACE There are nine submenu items that include setting the format and the line build out LBO Figure 3 15 Network NI Submenu 1 FORMAT 2 CODE 1 NETWORK NI 3 YEL ALRM 4 XMIT PRM 5 KEEP ALIVE 6 BIT STUFFING 7 SET LBO 8 NET LB 9 RX SENSITIVITY 2 CONFIG 1 MODEM INIT 2 U...

Страница 53: ...e fields and parameters available are as follows 1 FORMAT Sets the frame format for the NI The factory default is ESF D4 ESF 2 CODE Sets the line code for the NI The factory default is B8ZS AMI B8ZS 3 YEL ALRM Enables and disables the transmission of yellow alarms The factory default is ENABLED ENABLED DISABLED D4 is equivalent to superframe format SF ...

Страница 54: ...t stuffing causes the T1 ESF CSU ACE to monitor for ones 1s density violations and inserts a one 1 when needed to maintain ones at 12 5 percent This option should be disabled if B8ZS is enabled The factory default is DISABLED ENABLED DISABLED 7 SET LBO Selects the line build out for the network interface In AUTO mode the T1 ESF CSU ACE sets the LBO based on the strength of the receive signal The f...

Страница 55: ... SENSITIVITY Selects the sensitivity of the receiver on the network interface The factory default is NORMAL NORMAL EXTENDED 2 UNIT Submenu of 2 CONFIG This menu is used to change control port and alarm trap options See Figure 3 16 Figure 3 16 First 2 UNIT Submenu Screen For most applications the normal sensitivity setting is sufficient If more sensitivity is required the extended sensitivity setti...

Страница 56: ...s used to initialize the modem The string is also used following future power up sequences The factory default is DISABLED ENABLED DISABLED 2 DATA RATE Selects the data rate for the control port This should be consistent with the modem and or PC proxy agent serial port The factory default is 9600 1200 2400 9600 2 ALARMS Used to initialize the method by which the control port handles alarm conditio...

Страница 57: ...551212 would dial 9 pause momentarily and then send 5551212 This pause could be effected to access an outside line from a PBX etc When editing a specific character the SCROLL keys are used to scroll from 0 to 9 then and semicolon The new telephone number is entered into the T1 ESF CSU ACE only upon pressing Enter after typing the semicolon Input 20 digits 0 through 9 and 3 TERMINAL TI Submenu of 2...

Страница 58: ...tem parameters See Figure 3 17 This includes setting the time and date and resetting all parameters to factory values or to re initialize the unit This menu is also used to view the unit s software revision and ID setting Figure 3 17 Utility Menu Tree TIME HH MM SS 1 TIME DATE DATE MM DD YY 2 SOFTWARE REV Displays current software rev 3 REINIT UNIT 3 UTIL 4 ADDRESS 5 SET PASSCODE 6 FACT RESTORE Re...

Страница 59: ...n The up and down SCROLL keys also move the cursor to different fields to edit Pressing Cancel at any time can be used to end the editing process 2 SOFTWARE REV Submenu of 3 UTIL Use this submenu to display the current software revision level This information is required when requesting assistance from ADTRAN Customer Service or when updates are needed The top line gives the revision of interest T...

Страница 60: ...TIL Use this submenu to restore factory default settings for all unit parameters This restores all parameters to the factory settings 7 REMOTE T WATCH Submenu of 3 UTIL To communicate with a far end unit via the FDL i e from a proxy such as T Watch identify the remote unit as a standalone or rackmount Use this option to select the remote unit type ID and slot number The ID and slot number are only...

Страница 61: ...ns four sub items See Figure 3 20 Figure 3 20 Test Menu Tree This type of communication may not be available with all T1 products The execution of tests disrupts some of the normal operation See individ ual menu items concerning tests before executing NO LOOPBACK 1 LOCAL LOOPBK DTE ON LINE ON NO LOOPBACK PAYLOAD ON AT T INBAND LLB ANSI FDL LLB 2 REM LB AT T FDL PLB 4 TEST NO PATTERN ALL ZEROS 3 TE...

Страница 62: ...st Screen 2 REM LB Submenu of 4 TEST Activates the same loopbacks as the LOCAL LOOPBCK but at the far end This uses either the inband loop up code as specified by AT T 62411 for line loopback ATT In Band LLB or the FDL as specified in ANSI T1 403 for line loopback codes An FDL formerly TABS maintenance message corresponding to AT T TR54016 can be used for payload loopback as well NO LOOPBACK Deact...

Страница 63: ...When a loopback method is selected the T1 ESF CSU ACE displays LOOPING in the top right corner of the LCD and the yellow LOOP BACK LED is turned on When the T1 ESF CSU ACE determines that the far end T1 ESF CSU ACE has looped up the T1 ESF CSU ACE dis plays LOOPED If the T1 ESF CSU ACE does not recognize the remote T1 ESF CSU ACE looped up after about 10 seconds the T1 ESF CSU ACE sends the approp...

Страница 64: ...and test failures are displayed in the LCD window Figure 3 22 Self Test Result Screen If a failure is detected note the failure prior to contacting ADTRAN technical support The execution of a self test disrupts normal data flow and prevents remote communication until the self test is completed approximately five sec onds ...

Страница 65: ...61203025L1 1 T1 ESF CSU ACE User Manual A 1 Appendix A Pinouts Figure A 1 Power Connection Wiring 1 2 3 Number Type Color 1 Frame GND Green 2 48 VDC Red 3 GND Black Cable plug view not unit ...

Страница 66: ...et work to CSU Transmit data from CSU to DTE 2 T1 Receive data from net work to CSU Transmit data from CSU to DTE 3 Not used Not used 4 R Transmit data from CSU to network Receive data from DTE to CSU 5 T Transmit data from CSU to network Receive data from DTE to CSU 7 Not used Not used 8 Not used Not used Pin Name Description 2 TD Data from DTE to CSU 3 RD Data from CSU to DTE 7 SG Signal ground ...

Страница 67: ...ork Interface DSI interface per AT T 62411 and ANSI T1 403 Network Framing Format D4 SF or ESF Network Line Code AMI or B8ZS Network TX LBO Auto or manual from 0 0 to 22 5 dB Performance Monitoring As per ANSI T1 403 and AT T 54016 DTE Interface DSX 1 interface per ANSI T1 102 DTE Framing Format D4 SF or ESF DTE Line Code AMI or B8ZS DTE TX LBO DSX 1 up to 655 feet of 22 gauge ADAM cable ...

Страница 68: ... over FDL ESF only Diagnostics Self Test Local Loopbacks Remote Loopbacks Test Patterns Environment Temperature Operating 0 to 50 deg C 32 to 122 deg F Storage 20 to 70 deg C 4 to 158 deg F Relative humidity Up to 95 noncondensing Hardware Specifications Dimensions 1 585 H x 7 20 D x 4 05 W Weight 1 lb Power 48 VDC 50 mA 115 VAC 60 mA MTBF 784 314 hours CLEI NCT1CDJBAA ...

Страница 69: ...ard explicit congestion notification BOP bit oriented protocol CCITT Consultive Committee for International Telephony and Telegraphy CD carrier detect CO central office CPE customer premise equipment CRC cyclic redundancy check CS clear to send CSU channel service unit CTS clear to send dB decibel DBU dial backup DCD data carrier detect DCE data communications equipment DDS digital data service DE...

Страница 70: ...sor FIFO first in first out FR frame relay FRAD frame relay access device FRF frame relay forum FSU frame relay service unit HDLC high speed data link control IP internet protocol ISDN integrated services digital network ITU International Telecommunications Union KA keep alive LAN local area network LED light emitting diode LLC logical link control LMI local management interface LRC lateral redund...

Страница 71: ...ion notification RIP routing information protocol RMA return material authorization RR receiver ready RS recommended standard RTS request to send Rx receive SAP service access point SDLC synchronous data link control SLIP serial line internet protocol SNA systems network architecture SNMP simple network management protocol SNRM set normal response mode SR data set ready SVC switched virtual circui...

Страница 72: ...Appendix C Acronyms Abbreviations C 4 T1 ESF CSU ACE User Manual 61203025L1 1 VRC vertical redundancy check WAN wide area network XID exchange identification XMIT transmit ...

Страница 73: ... a stop bit bandwidth The bandwidth determines the rate at which information can be sent through a channel the greater the bandwidth the more information that can be sent in a given amount of time BECN backward explicit congestion notification A bit set by a frame relay network to notify an interface device DTE that congestion avoidance procedures should be initiated by the sending device bridge A...

Страница 74: ...used in a transmission system to control the timing of certain functions The clock has two functions 1 to generate periodic signals for synchronization and 2 to provide a time base CPE customer premise equipment All telecommunications terminal equipment located on the customer premises including telephone sets private branch exchanges PBXs data terminals and customer owned coin operated telephones...

Страница 75: ...a service A private line digital service for transmitting data end to end at speeds of 2 4 4 8 9 6 and 56 kbps and in some cases 19 2 38 4 or 64 kbps The systems can use central hub offices for obtaining test access bridging legs of multipoint circuits and cross connecting equipment DDS is offered on an inter LATA basis by AT T and on an intra LATA basis by the Bell operating compa nies DE discard...

Страница 76: ...destination of data flowing through a frame relay net work sometimes referred to as DTE As a source device it sends data to an inter face device for encapsulation in a frame relay frame As a destination device it receives de encapsulated data i e the frame relay frame is stripped off leaving only the user s data from the interface device FCS frame check sequence The standard 16 bit cyclic redundan...

Страница 77: ... in frame relay format that is transmitted through a frame relay network as pure data Contrast with packet See also Q 922A frame relay network A telecommunications network based on frame relay technology Data is multi plexed Contrast with packet switching network HDLC high level data link control A generic link level communications protocol devel oped by the International Organization for Standard...

Страница 78: ...twork is retained LAN local area network A privately owned network that offers high speed communi cations channels to connect information processing equipment in a limited geo graphic area out of band Signaling that is separated from the channel carrying information voice data video etc Typically the separation is accomplished by a filter The signaling includes dialing and other supervisory signal...

Страница 79: ...ting refers to the access interface at which the PVC stops Many data network customers require a PVC between two points Data terminating equipment with a need form contin uous communion use PVCs See also DLCI remote configuration A feature designed into ADTRAN DSU CSU products that allow remote DSU CSU to be configured from a local DSU CSU or VT 100 compatible terminal router A device that support...

Страница 80: ...l SR data set ready A signal on the EIA 232 interface that indicates if the communica tions is connected and ready to start handshaking control signals so communica tions can begin statistical multiplexing Interleaving the data input of two or more devices on a single channel or access line for transmission through a frame relay network Interleaving of data is accomplished using the DLCI switched ...

Страница 81: ...CSU ACE User Manual D 9 trunk line A communications line connecting two frame relay switches to each other VT 100 A non intelligent terminal or terminal emulation mode used for asynchronous communications Used to configure the T1 ESF CSU ACE ...

Страница 82: ...Appendix D Glossary D 10 T1 ESF CSU ACE User Manual 61203025L1 1 ...

Страница 83: ...annel bank application 1 12 CODE 3 16 3 21 CONFIG 3 9 3 15 Configuration menu 3 15 connectors EIA 232 2 4 RJ 48C 2 3 control methods 1 7 ASCII terminal 1 8 front panel 1 7 CONTROL PORT 3 19 control port 1 6 customer service xi D D4 superframe 1 1 DATA RATE 3 19 display field 3 3 DTE interface loopback 1 10 E EAI 232 connector 2 4 ESF CSU applications 1 11 control methods 1 7 features 1 5 front vie...

Страница 84: ... 1 9 PC control 1 7 pinouts A 1 A 2 B 1 power connection 2 2 power up testing 2 4 product service xi product warranty x R REINIT UNIT 3 10 3 22 REM LB 3 10 3 25 REMOTE T WATCH 3 10 3 23 repair and return information xi RJ 48C connector 2 3 RMA requests xi RUN SELFTEST 3 11 3 26 RX SENSITIVITY 3 18 S sales information how to contact xi self test 1 8 2 4 SET LBO 3 17 3 21 SET PASSCODE 3 10 3 23 sett...

Страница 85: ...03025L1 1 T1 ESF CSU ACE User Manual Index 3 training department how to contact xii TRAPS 3 19 T Watch 1 7 U UNIT 3 9 3 18 UTIL 3 9 3 21 Utility menu 3 21 W warranty x wiring 2 3 X XMIT PRM 3 17 Y YEL ALRM 3 16 ...

Страница 86: ...Index Index 4 T1 ESF CSU ACE User Manual 61203025L1 1 ...

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