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Chapter 2. Installation and Operation

61200290L1-1

MX2800 User Manual

2-11

Figure 2-5. Terminal Main Menu

Navigating Within the Menus

Navigate within the MX2800 terminal menus using the following
procedures:

The letter displayed in the upper left-hand corner of the terminal menu
indicates which controller card is active (A or B).

If you want to...

Press...

select an item

the number corresponding to your
choice, and then press the Enter key.

scroll left and right
within the same
screen

the left and right arrow keys. Additional
screens are available when < or > is dis-
played in the top portion of the menu.

return to the previous
menu

the ESC key.

end the terminal
session

Ctrl-C.

refresh the display

Ctrl-R.

Содержание TOTAL ACCESS MX2800

Страница 1: ...em 4200290L3 DC Non Redundant Version with Modem 4200290L4 DC Redundant Version with Modem 4200290L5 AC Non Redundant Version 4200290L6 AC Redundant Version 4200290L7 DC Non Redundant Version 4200290L...

Страница 2: ...iew is a trademark of Hewlett Packard Company Spectrum is a registered trademark of Cabletron 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 Phone 256 963 8000 2000 ADTRAN Inc All righ...

Страница 3: ...equipment to be disconnected from the network until the problem is corrected or it is certain the equipment is not malfunctioning 5 This unit contains no user serviceable parts 6 An FCC compliant tel...

Страница 4: ...interference in which case the user will be required to correct the interference at his own expense Canadian Emissions Requirements This digital apparatus does not exceed the Class A limits for radio...

Страница 5: ...n some situations 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...

Страница 6: ...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 speci...

Страница 7: ...ion This warranty becomes null and void if Customer modifies or alters the equipment in any way other than as specifically authorized by ADTRAN EXCEPT FOR THE LIMITED WARRANTY DESCRIBED ABOVE THE FORE...

Страница 8: ...viii MX2800 User Manual 61200290L1 1...

Страница 9: ...s 1 4 Breakout Panel 1 4 Battery Backup 1 4 Chapter 2 Installation and Operation Unpack Inspect Power Up 2 1 Receiving Inspection 2 1 ADTRAN Shipments Include 2 1 Power Up 2 2 Rackmount Installation 2...

Страница 10: ...State 3 7 Set Multiple 3 7 T1 E1 Line Coding 3 8 T1 E1 Line Length 3 9 T1 E1 Loopback Detection 3 9 T1 E1 Circuit Protection 3 10 T1 E1 Line Identification 3 11 XCV Threshold 3 12 System Management 3...

Страница 11: ...3 29 Save Configuration 3 30 Chapter 4 Status DS3 State 4 1 Rx Framing 4 1 State 4 2 Alarm 4 2 Remote 4 3 Power Supply State 4 4 System State 4 5 Alarm 4 5 Card A Card B 4 6 Protection 4 6 Card Comm...

Страница 12: ...tics 6 8 Remote Loopback 6 9 Remote all T1 E1 6 9 DS2 Loopbacks 6 9 DS2 Network 6 10 Chapter 7 Circuit and Network Redundancy Non Redundant Mode 7 2 Circuit Failure Recovery Mode 7 3 Circuit and Netwo...

Страница 13: ...le Menu 3 8 Figure 3 7 T1 E1 Line Coding Menu 3 8 Figure 3 8 T1 E1 Line Length Menu 3 9 Figure 3 9 Loopback Detection Menu 3 10 Figure 3 10 Circuit Protection Menu 3 11 Figure 3 11 Line Identification...

Страница 14: ...u 6 2 Figure 6 3 Tributary Loopback Test 6 3 Figure 6 4 Analog Network Loopback 6 3 Figure 6 5 Digital Line Network Loopback 6 4 Figure 6 6 Codec Loopback 6 4 Figure 6 7 Diagnostics Menu with BERT Sel...

Страница 15: ...3 Table 2 3 LED Conditions for Standby Cards 2 15 Table 2 4 T1 E1 LED Conditions 2 16 Table 3 1 Syslog Severity Levels 3 27 Table 7 1 Configuration Requirements for Circuit Recovery 7 4 Table A 1 Craf...

Страница 16: ...List of Tables xvi MX2800 User Manual 61200290L1 1...

Страница 17: ...PPP or through the 10BaseT ethernet port Using the Management Information Base II MIB II RFC 1407 standards and an ADTRAN enterprise MIB the MX2800 can be configured monitored and diagnosed with stan...

Страница 18: ...out access see the following note Capable of backhauling multiple service types T1 E1 AC or DC power External DS3 clock option M13 and C bit signaling support NEBS Level 3 compliant Standard 10 year w...

Страница 19: ...rm SNMP broadly refers to the message protocols used to exchange information between the network management system NMS and the managed devices as well as to the structure of device management database...

Страница 20: ...tributor or the ADTRAN sales department for more information see end of manual for phone number Breakout Panel The optional breakout panel part number 1200291L1 connects to the MX2800 and provides 28...

Страница 21: ...inal shipping container to use for future shipment or verification of damage during shipment ADTRAN Shipments Include The following items are included in ADTRAN shipments of the MX2800 MX2800 unit DC...

Страница 22: ...WG wire to connect the modular connector as follows 1 Connect the wire lugs on the modular connector which correspond to the positive RET and negative terminals on the rear panel to a 48V DC 1A source...

Страница 23: ...s should be connected to an earth ground using the ground stud located between the AC and DC power sources on the rear panel PWR FAIL PWR FAIL PWR FAIL Symbol Definition PWR FAIL Battery backup connec...

Страница 24: ...ld be incorporated in the fixed wiring RACKMOUNT INSTALLATION The MX2800 can be mounted into a standard 19 or 23 inch equipment rack See Establishing Terminal Connection on page 2 10 for information o...

Страница 25: ...kout Panel The optional breakout panel P N 1200291L1 connects to the MX2800 via the IN and OUT Champ connectors and provides 28 RJ connectors for the individual T1s E1s Shipment includes two six foot...

Страница 26: ...ptions for these items follow the figure Pin assignments are given in Pinouts on page A 1 L A N M O D E M CRITICAL NO COM NC NONCRITICAL EXT CLK DSX 3 IN OUT A B DSX 1 E1 OUT DSX 1 E1 IN USE COPPER CO...

Страница 27: ...6 7 8 9 Item Function 1 LAN 10BaseT LAN connection Note The LED to the right of this connector illuminates when the unit is connected to an active ethernet seg ment 2 Modem Telephone line connection f...

Страница 28: ...the MX2800 This relay is activated any time the MX2800 detects an alarm condition on the T3 network interface Both NC normally closed and NO normally open contacts are provided Connect alarms first t...

Страница 29: ...x and Rx connections between the unit and equipment such as wire wrap patch panels punch down panels or breakout panels Power Connection The DC and AC power connections are described earlier in this c...

Страница 30: ...ters no parity and one stop bit xxxx 8N1 2 Using the ADTRAN provided terminal interface cable adapter connect the DTE port of a terminal to the 8 pin modular jack labeled CRAFT on the MX2800 front pan...

Страница 31: ...and corner of the terminal menu indicates which controller card is active A or B If you want to Press select an item the number corresponding to your choice and then press the Enter key scroll left an...

Страница 32: ...DS3 DS2s or T1 E1 lines See the chapter Diagnostics on page 6 1 for more detailed information Logout The LOGOUT selection ends the terminal session and logs out of the system Password entry is requir...

Страница 33: ...LEDs provided are ACT active DS3 ALM alarm and PRF performance Different conditions are indicated by the state of the LED its color and whether it blinks alternates color or is on solid The condition...

Страница 34: ...solid Normal No Alarm red blinking Critical Alarm red solid Non Critical Alarm amber blinking Critical Alarm Suppressed ACO button was pushed amber solid Non Critical Alarm Sup pressed ACO button was...

Страница 35: ...ition descriptions vary depending on whether the LEDs represent T1s or E1s of the active controller card or the controller card on standby Table 2 4 provides LED definitions for the active and standby...

Страница 36: ...id Normal All OK off Disabled red blinking LOS red flash once per event Single Burst CV red green alternating XCV Threshold Exceeded see XCV Threshold on page 3 12 amber solid In Test Local amber blin...

Страница 37: ...s the main configuration terminal menu and Figure 3 2 shows the CONFIGURATION menu tree Figure 3 1 Configuration Main Menu Detailed descriptions of the menu selections are given in the following secti...

Страница 38: ...Coding T1 E1 Interface Line Length Local IP Address Loopback Detection Gateway IP Address Circuit Protection Protection Threshold Subnet Mask Line Identification Management Port XCV Threshold MGMT Op...

Страница 39: ...nu DS3 Configuration Use the DS3 CONFIGURATION selections to configure the DS3 network settings to match your application Descriptions of these settings follow Framing Set the framing format to match...

Страница 40: ...When disabled all loopback requests are ignored XCV Threshold The XCV excessive code violations THRESHOLD sets a limit on CVs accepted by the unit before it switches controller cards If set to DISABLE...

Страница 41: ...tically routed to the backup T3 in the event that the primary T3 fails When NETWORK PROTECTION is set to DISABLED the stand by controller will be used to protect against failures of the circuitry on t...

Страница 42: ...first three T1 E1 ports of the selected group are framed per CCITT G 747 into the DS3 stream The fourth T1 E1 port of the selected group is not available in this mode Any combination of M12 4XT1 and G...

Страница 43: ...8 Enter APPLY SETTINGS before leaving the menu To enable or disable only some of the T1 E1s set FIRST and LAST to correspond to the lines you want to enable or disable Enter APPLY SETTINGS You can now...

Страница 44: ...h the connected device see Figure 3 7 The choices available for T1 are AMI and B8ZS The choices available for E1 are AMI and HDB3 Select SET MULTIPLE to set any or all of the T1s or E1s to the same va...

Страница 45: ...h at the same time See Set Multiple on page 3 7 for a description of the SET MULTIPLE selection entering the line length for each line Figure 3 8 T1 E1 Line Length Menu T1 E1 Loopback Detection Choose...

Страница 46: ...use the cards to switch depending on the PROTECTION THRESHOLD setting in this menu The PROTECTION THRESHOLD setting determines how many of the ENABLED lines must fail before a card switch occurs If yo...

Страница 47: ...ection Menu T1 E1 Line Identification Enter user configurable text strings to name the individual T1 E1 lines see Figure 3 11 You can enter up to 18 alpha numeric characters in this field including sp...

Страница 48: ...re available via a SLIP PPP modem port or 10BaseT ethernet interface This menu also includes options used to customize your unit s alarm and trap generation security setup and equipment identification...

Страница 49: ...2800 and the network manager are connected through a gateway node If an IP packet is to be sent to a different network the unit sends it to the gateway Subnet Mask Enter the subnet mask of the MX2800...

Страница 50: ...ed in this field causes the modem to dial out Normally this field should be left at the default setting ATDT Maximum Redial Attempts The MX2800 attempts to establish a call the number of times entered...

Страница 51: ...ESSES see Trap IP Addresses on page 3 19 Answer on Ring Enable or disable the MX2800 s ability to accept incoming calls If enabled incoming calls are automatically answered by the MX2800 allowing you...

Страница 52: ...critical alarm Figure 3 14 Alarm Relay Configuration Menu DS3 Alarms Alarm Description RAI The unit is receiving an RAI yellow alarm from the network This alarm is a signal sent back to ward the sourc...

Страница 53: ...g nal sent back toward the source of a failed transmit circuit The X bits X1 and X2 are set to zero AIS The unit is receiving unframed all ones across a DS2 LOF The unit detects a framing loss from th...

Страница 54: ...interface Alarm Description Malfunction Power supply card is no longer working The unit has switched to the backup power supply or battery backup Power Low Power supply s output level is abnormally lo...

Страница 55: ...which error conditions will cause the unit to send trap messages Figure 3 15 Trap Generation Menu Controller Traps Trap If enabled the unit issues a trap when Protection Switch the controller cards sw...

Страница 56: ...p Card Failure the power supply card has failed Power Low the power supply s output level is abnormally low Charger Fail the battery backup charger has failed or has lost its AC connection Battery Low...

Страница 57: ...s a transmission fault located either at or up stream from the transmitting terminal RAI the controller card is receiving an RAI yellow alarm from the network This alarm is a signal sent back toward t...

Страница 58: ...llow alarm from the network This alarm is a signal sent back toward the source of a failed transmit circuit The X bits X1 and X2 are set to zero IDLE the remote unit s active controller card detects a...

Страница 59: ...unit has lost the Rx signal on a T1 E1 CAIS carrier side AIS the T1 is receiving all ones from the DS3 side of the network LAIS loop side AIS the T1 is receiving all ones from the DSX 1 in terface XC...

Страница 60: ...ng accompanies all traps transmitted by the MX2800 System Security Password Set the password required at login up to 32 characters The default password is adtran all lower case Terminal Timeout Set th...

Страница 61: ...cept management commands These addresses are only applicable if IP SECURITY is enabled see previous section Date Time Enter date and time information Enter the month date and year separated by forward...

Страница 62: ...QUIPMENT CODE fields support up to ten alpha numeric char acters each The FACILITY ID CODE supports 38 characters and the UNIT CODE supports 6 characters This information is transmitted over the DS3 o...

Страница 63: ...ave on Logout Enable this function to save the configuration when you log out Disable if you do not want to save the configuration Table 3 1 Syslog Severity Levels Level Description Emergency The syst...

Страница 64: ...e listed in the chart following Figure 3 17 Figure 3 17 System Utilities Menu If the self test results are Then PASS the self test was successful and the unit is ready to use BAD RAM DATA BAD RAM ADDR...

Страница 65: ...e file you want to download to the unit Once this information is entered select START STOP TRANSFER Resetting the System The system must be manually reset after downloading new software in order for t...

Страница 66: ...Manual 61200290L1 1 SAVE CONFIGURATION Commits the current configuration changes to nonvolatile memory If this option is not selected after making changes to the configuration the unit reverts to its...

Страница 67: ...the MAIN menu see Figure 4 1 The Information for the DS3 DS2s T1 E1 lines power supplies and controller cards is provided Figure 4 1 Status Menu DS3 STATE Displays the current state of the DS3 The fol...

Страница 68: ...alarms are currently being received RAI remote alarm indication The unit is receiving an RAI yellow alarm from the network This alarm is a signal sent back to ward the source of a failed transmit circ...

Страница 69: ...signal The far end unit has lost the Rx signal AIS alarm indication signal The far end unit is receiving an AIS blue alarm condition from the network AIS alarms occur when consecutive 1010s are receiv...

Страница 70: ...S1 equipment failure Unknown The unit is unable to discern the status of the far end unit Condition Description Normal The power supply is fully operational Error The controller card cannot communicat...

Страница 71: ...e SWITCHED condition which is cleared manually To clear the SWITCHED condition select ACKNOWLEDGE ALARMS ACO or push the ACO button on the front panel See the sections ACO Buttons on page 2 12 and Ack...

Страница 72: ...Stand By The controller card is ready to pass data but is currently acting as a backup card Active The controller card is acting as the primary card Failure The controller card has failed and needs to...

Страница 73: ...even DS2s Possible states are listed in the following table For more information on the different types of Protection Modes see the chapter Circuit and Network Redundancy on page 7 1 Condition Descrip...

Страница 74: ...LOS The unit has lost the Rx signal on the T1 E1 XCV The unit is receiving excessive code violations across the T1 E1 exceeding the configured threshold see XCV Threshold on page 3 4 TST The T1 E1 is...

Страница 75: ...ar and far ends of the network Information is also given for the individual DS2s and T1 E1 lines Statistical information is given in screens based on the following time periods the current 15 minute i...

Страница 76: ...rack of alarms for both the near and far ends of the network View alarm history information in one of the three time period selections or view a cumulative alarm count Information in these fields is f...

Страница 77: ...k AIS alarms occur when consecutive 1010s are re ceived in the information bits This indicates that there is a transmission fault located either at or upstream from the transmitting terminal RAI Numbe...

Страница 78: ...formance parameter screens Descriptions of each field of these screens follow Interval starting at Time that the 15 minute interval began This field is only displayed in the 24 hour history screen whi...

Страница 79: ...gnal defects occurred Figure 5 5 DS3 Performance Parameters Current 15 Minutes P Bit Errored Seconds PES Number of seconds with one or more PCVs P bit coding viola tions one or more out of frame defec...

Страница 80: ...Vs one or more out of frame defects or a detected incoming AIS This count is not incremented when UASs are counted C Bit Severely Errored Seconds CSES Number of seconds with 44 or more CCVs one or mor...

Страница 81: ...ion DS2 Statistics 24 Hour Alarm History The MX2800 keeps track of RAI OOF and AIS alarms for each of the seven DS2s View alarm history information in one of the three time period selections or view a...

Страница 82: ...frame bit errors for the seven DS2s View this information in any of the three time period selections Information in these fields is for the given time period since the last reset When viewing the 24...

Страница 83: ...Chapter 5 Statistics 61200290L1 1 MX2800 User Manual 5 9 Figure 5 10 DS2 Performance Parameters Current 15 Minutes Figure 5 11 DS2 PBERR 24 Hour Alarm History...

Страница 84: ...RMS for each of the T1s and E1s see Figure 5 12 View this information in one of the three time period selections or view a cumulative alarm count Information in these fields is for the given time peri...

Страница 85: ...S menu From this menu select T1 E1 DS3 or DS2 LOOPBACKS Once this selection is made a second menu appears displaying the types of tests available Descriptions and testing diagrams of the loopback test...

Страница 86: ...ogress Figure 6 2 T1 E1 Diagnostics Menu Tributary A TRIBUTARY loopback loops the selected T1 E1 back to the network DS3 The T1 E1 is de multiplexed through the M23 and M12 G 747 de multiplexers loope...

Страница 87: ...he edge of the LIU while the T1 E1 loop side loopback occurs deep into the LIU through the receiver receive equalizer transmit jitter attenuator and finally through the T1 E1 transmit drivers See Figu...

Страница 88: ...WORK LOOPBACK is executed when a REMOTE LOOPBACK is engaged This loopback is only available when the DS3 is configured for C bit parity framing since it requires the availability of the far end alarm...

Страница 89: ...CSU loopback towards the CSU attached to the selected T1 line similar to the CSU LOOPBACK test above Six seconds after starting the CSU loop up pattern the MX2800 will cease sending the CSU loop up p...

Страница 90: ...ization cumulative error count and a clear error count option Selecting DATA MODE will cease 511 pattern generation and substitution of the incoming data stream When in LINE BERT mode only the DATA MO...

Страница 91: ...loopback occurs just prior to the DS3 framer and B3ZS decoder but it makes full use of the DS3 LIU in both receive and transmit directions therefore any coding violations received by the DS3 will be...

Страница 92: ...ly multiplexed and de multiplexed to and from a DS3 and passed through both directions of the DS3 LIU During this test the incoming DS3 is disconnected from the DS3 receiver and the outgoing DS3 signa...

Страница 93: ...AGNOSTIC loopback is executed on all active channels simultaneously This loopback is only available when the DS3 is configured for C bit parity framing since it requires the availability of the FEAC c...

Страница 94: ...l data inserted into the T1 E1s attached to the selected DS2 will be ignored and replaced by the incoming DS2 network data This test is illustrated in Figure 6 13 Figure 6 13 DS2 Network Loopback Test...

Страница 95: ...up protection is described on page 7 2 Circuit Failure Recovery Mode which offers backup protection in the event of controller card failure is described on page 7 3 Circuit and Network Failure Recover...

Страница 96: ...only one controller card and only one network connection is available There is no failure protection In the event of a failure an alarm is initiated and the front panel LEDs reflect the condition See...

Страница 97: ...primary card actively processes data while the secondary card stands by ready to take over if the first fails The secondary card continuously monitors the line and remains framed to the incoming sign...

Страница 98: ...work Interface Network Protection Disabled Config Network Interface Max Switch Threshold 3 Config Network Interface Min Switching Period 10 seconds Config T1 E1 Interface T1 E1 Circuit Protection Enab...

Страница 99: ...he first fails For example if Card A fails then control switches to Card B and DS3 B An important feature of the MX2800 is its ability to internally re route the network connection if a controller car...

Страница 100: ...Chapter 7 Circuit and Network Redundancy 7 6 MX2800 User Manual 61200290L1 1...

Страница 101: ...edundant Power Mode which offers no backup protection is described on page 8 2 Power Supply Recovery Mode which offers backup protection in the event of power supply card failure is described on page...

Страница 102: ...he MX2800 houses only one power supply card and only one power source is available There is no power failure protection If a power supply card fails then the unit is down until the card is repaired or...

Страница 103: ...see Figure 8 2 In this mode the MX2800 can continue operation in the event of a power supply failure without interrupting service The power supplies are load sharing so either power supply can provide...

Страница 104: ...up design for the controller cards the MX2800 is able to internally re route the power source if a power supply card and the opposite power source fail For example in the illustration given in Figure...

Страница 105: ...power is lost the unit automatically transfers power to the battery without interrupting service When AC power returns the unit switches back to AC power and recharges the battery For installation in...

Страница 106: ...Chapter 8 Power Loss Recovery 8 6 MX2800 User Manual 61200290L1 1...

Страница 107: ...nectors located on the MX2800 For more information on these connectors see the chapter Installation and Operation on page 2 1 Table A 1 Craft Port Pin Assignments RJ Pin DB 9 Function Direction 1 5 GN...

Страница 108: ...the network 2 TD The negative signal for the TD differential pair pins 1 and 2 3 RD The positive signal for the RD differential pair This signal contains the serial input data stream received from the...

Страница 109: ...0 42 11 TIP 11 RING 11 43 12 TIP 12 RING 12 44 13 TIP 13 RING 13 45 14 TIP 14 RING 14 46 15 TIP 15 RING 15 47 16 TIP 16 RING 16 48 17 TIP 17 RING 17 49 18 TIP 18 RING 18 50 19 TIP 19 RING 19 51 20 TIP...

Страница 110: ...Appendix A Pinouts A 4 MX2800 User Manual 61200290L1 1...

Страница 111: ...annelized DS3 Line length short less than 50 feet and long greater than 50 feet Framing format M13 and C bit parity Line rate 44 736 Mbps Line interface dual 75 ohm BNC coax female connectors DSX 1 In...

Страница 112: ...al up access for VT 100 SNMP or Telnet Dial out cry for help SNMP Telnet Integrated 10BaseT ethernet MIB II RFC 1213 RFC 1215 and RFC 1407 compliant ADTRAN Enterprise MIB for extended monitoring and c...

Страница 113: ...ix B Specifications Summary 61200290L1 1 MX2800 User Manual B 3 Power AC version 120 VAC 30 W DC version 48 VDC 30W Physical Dimensions 7 86 D x 17 0 W x 1 7 H Weight 5 5 lbs redundant 4 5 lbs non red...

Страница 114: ...Appendix B Specifications Summary B 4 MX2800 User Manual 61200290L1 1...

Страница 115: ...Institute async asynchronous BERT bit error rate test bps bits per second BPV bipolar violation CA communications equipment available CAIS carrier side alarm indication signal CCITT Consultive Commit...

Страница 116: ...ink connection identifier DS1 digital signal level one DS3 digital signal level three DSR data set ready DSU data service unit DSX 1 digital signal cross connect level 1 DTE data terminal equipment DT...

Страница 117: ...gnal MBE M bit errors Mbps megabits per second MIB management information base ms millisecond NC normally closed NI network interface NMS network management system NO normally open NRZ non return to z...

Страница 118: ...ervice affecting SEFS severely errored framing seconds SES severely errored seconds SLIP serial line internet protocol SNMP simple network management protocol SONET synchronous optical network SR data...

Страница 119: ...nsmission which allows characters to be sent at irregular intervals by preceding each character with a start bit followed by a stop bit bandwidth The bandwidth determines the rate at which information...

Страница 120: ...Mbps one million bits per second T3 operates at 44 736 Mbps BPV bipolar violation A violation in the alternate mark inversion AMI line code for which consecutive 1s are represented by pulses of oppos...

Страница 121: ...t performs mul tiplexing of lower speed digital channels into a higher speed composite channel The channel bank also detects and transmits signaling information for each channel thereby transmitting f...

Страница 122: ...clear to send A signal on the DTE interface indicating that the DCE is clear to send data data communications equipment See DCE data service unit See DSU dB decibel A unit of measure of signal streng...

Страница 123: ...al signal level three Equivalent of 28 DS1s and 672 DS0s total bandwidth is 44 736 Mbps DSU data service unit A device designed to transmit and receive digital data on digi tal transmission facilities...

Страница 124: ...te and cable FDL facility datalink FDL bits provide overhead communication between the termi nal equipment in ESF framing gateway A device which enables information to be exchanged between two dissimi...

Страница 125: ...unications circuit Device being tested will echo back received test data The results are compared with the original data LOS loss of signal Defined as a line state in which no pulses are received for...

Страница 126: ...hed by a filter The signaling includes dialing and other supervisory signals point to point Type of communications link that connects a single device to another single device such as a remote terminal...

Страница 127: ...capabilities service The provision of telecommunications to customers by a common carrier admin istration or private operating agency using voice data and or video technolo gies service provider A co...

Страница 128: ...on T3 communication lines Also referred to as digital signal level 3 DS 3 TDM time division multiplexing A technique for transmitting two or more signals at the same time over a single communication...

Страница 129: ...ving geographically separate areas A WAN typically extends a LAN outside the building to link to other LANs over telephone lines yellow alarm A T3 yellow alarm is an indication sent back toward the so...

Страница 130: ...Appendix D Glossary D 12 MX2800 User Manual 61200290L1 1...

Страница 131: ...op Alarms 5 10 alarm connectors MX2800 2 8 Alarm menu DS3 State 4 2 System State 4 5 alarm traps DS2 3 23 DS3 3 22 DS3 near end active and standby cards 3 21 power supply 3 20 T1 E1 3 23 alarms DS2 3...

Страница 132: ...1 circuit protection mode 4 6 circuit protection T1 E1 menus 3 10 Clear All Local DS3 Statistics 5 7 Clear All T1 E1 Alarm Counts 5 10 clearing statistics 5 7 code violations limiting on DS3 network 3...

Страница 133: ...qpt Fail NSA 3 22 DS3 Eqpt Fail NSA 3 22 DS3 Eqpt Fail SA 3 22 Idle 3 22 LOS 3 22 OOF 3 22 RAI 3 22 DS3 Alarm Traps Near end Active and Standby Cards 3 21 Idle 3 21 In Out Test 3 21 LOS 3 21 OOF 3 21...

Страница 134: ...3 23 T1 E1 Alarms 3 18 T1 E1 State 4 8 LAN interface MX2800 2 7 LAN pin assignments A 2 LAN port 2 7 Last Modem Response menu 3 15 LED conditions active cards 2 13 standby cards 2 15 T1 E1 2 16 LEDs 2...

Страница 135: ...iguration 3 6 MODEM FAILURE 3 28 Modem Mode menu 3 15 modem port description 2 8 location 2 7 pin assignments A 2 Multiple DS1 LOS T1 E1 Alarm Traps 3 23 Multiple DS1 LOS Remote status 4 4 MX2800 opti...

Страница 136: ...mode 8 5 non redundant power mode 8 2 power supply and source recovery mode 8 4 power supply recovery mode 8 3 Power Low Power Supply Alarm 3 18 Power Supply Alarm Traps 3 20 Power Supply State 4 4 p...

Страница 137: ...ector symbol 2 3 return material authorization RMA vi Rx Framing menu 4 1 S Save Configuration menu 3 30 Save on Logout menu 3 27 Schedule Reset Time 3 29 self test results 3 28 service interruption 7...

Страница 138: ...State menu 4 8 T1 E1 Statistics menu 5 10 T1 E1 Status LEDs 2 15 Telnet overview 1 4 Temp Critical Power Supply State 4 4 Temp High Power Supply State 4 4 Temperature Critical Power Supply Alarm 3 18...

Страница 139: ...nual Index 9 X XCV DS3 3 17 DS3 Alarm Traps Near end Active and Stand by Cards 3 21 T1 E1 Alarm Traps 3 23 T1 E1 Alarms 3 18 T1 E1 State 4 8 XCV Threshold menus DS3 Configuration 3 4 T1 E1 Line Identi...

Страница 140: ...Index Index 10 MX2800 User Manual 61200290L1 1...

Страница 141: ...cal Support will coordinate with the Customer and Product Service CAPS de partment to issue a Return Material Authorization RMA number For infor mation regarding equipment currently in house or possib...

Страница 142: ......

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