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TxPORT Transport PRISM 3021, Руководство пользователя

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Содержание PRISM 3021

Страница 1: ...i T R A N S P O R T 34 00262 January 1998 PRISM 3021 E1 NTU DSU...

Страница 2: ...n with the furnishing performance or use of this material TxPORT reserves the right to revise this publi cation from time to time and make changes in content without obligation to notify any person of...

Страница 3: ...umpers 2 5 E1 Network Impedance 2 5 Station Clock Signal Levels 2 5 E1 DTE Option Switch S1 2 6 CRC4 Mode 2 6 E1 DTE Line Code 2 6 Spares 2 6 E1 DTE Termination 2 6 Connections 2 6 Supervisory SUPV Po...

Страница 4: ...ment Maintenance Screen 4 8 Clear Tests 4 8 Clear Alarms 4 8 E1 Loop 4 8 E1 Unloop 4 9 Port Loop 4 9 Port Unloop 4 9 BERT 4 9 Patterns 4 9 Test Length 4 9 Pattern Sync 4 9 Elapsed Time 4 9 Bit Errors...

Страница 5: ...acks A full complement of Bit Error Rate Testing BERT pat terns is available on the PRISM 3021 The different stress patterns provide a greater diagnostic capability BERT pat terns are initiated from e...

Страница 6: ...ith the 8100A Status Front panel LEDs for network testing and DTE Network Loopbacks Line payload and proprietary E1 DTE Loopbacks Line and proprietary DTE Loopbacks Responds to and generates V 54 inba...

Страница 7: ...arrants each unit against defects in material and workmanship for a period of five years from the date the unit was shipped to the customer If the unit malfunctions at any time during the warranty per...

Страница 8: ...air is the normal mode of shipment for all returned material unless otherwise specified Units being returned to TxPORT should be sent to the fol lowing address TxPORT 127 Jetplex Circle Madison Alaba...

Страница 9: ...or into a TxPORT 1051 chassis which holds up to 12 units The chassis can be installed in either a 19 or 23 inch rack using four screws Connections are made from the rear panel of the chassis Unit Con...

Страница 10: ...om its internal oscilla tor from equipment attached to the DTE or from equipment attached to the E1 DTE option card KEEP ALIVE FRAMED AND UNFRAMED ONES Position S1 6 selects keep alive framed and unfr...

Страница 11: ...re additive For example to set a unit address to 5 position S2 3 binary value is 4 and position S2 1 binary value is 1 would be set Up for a unit address of 5 4 1 All other positions would be set Down...

Страница 12: ...le channels 2 4 6 and 8 are set idle binary code 01111111 The advantage of alternate channel assignment is that E1 ones density requirements are maintained by the idle channels rather than placing any...

Страница 13: ...wn Down Down Down N 29 1 1624 1856 Down Up Down Down Down N 28 1 1568 1792 Up Up Down Down Down N 27 1 1512 1728 Down Down Up Down Down N 26 1 1456 1664 Up Down Up Down Down N 25 1 1400 1600 Down Up U...

Страница 14: ...ed through this port see Terminal Interface on page 4 1 as well as the Call On Alarm feature see Management Ports on page 4 18 This port may be accessed through either a direct connec tion or a dial u...

Страница 15: ...E 8 pin RJ 48 connector and a high speed DTE female 25 pin connector located on the chassis rear panel The 1051 3 chassis is similar except that it has a high speed DTE 34 pin connector instead of the...

Страница 16: ...rt or the A NMS IN Table 2 T High Speed DTE Connector Pinout ITU EIA Circuit Common Name DB 25 25 pin V 35 34 pin DCE 101 AA Frame Ground 1 A Gnd 102 AB Signal Ground 7 B Gnd 103 BA A Transmit Data A...

Страница 17: ...up configuration mode may be set by either configuration switches or through software control The physical connection is a 6 pin modu lar connector with the pinouts for these connectors shown in Tabl...

Страница 18: ...uration with power supply B not operational If the redundant power board is not used the A and B buses must be connected together as shown in Figure 2 12 External Clock Connection Contacts on the rear...

Страница 19: ...NMS OUT A NMS IN B NMS IN T1 DTE 12 T1 DTE 11 T1 DTE 10 T1 DTE 9 T1 DTE 8 T1 DTE 7 T1 DTE 6 T1 DTE 5 T1 DTE 4 T1 DTE 3 T1 DTE 2 T1 DTE 1 TB2 2 3 4 5 6 1 1 EXT CLK 2 EXT CLK 3 ALARM RING TB1 4 ALARM T...

Страница 20: ...2 12 Installation PRISM 3021...

Страница 21: ...If the red LED is lit there is a fault that exceeds alarm thresholds or another type of 3021 failure The problem can usually be isolated by further examination of the other front panel LEDs as describ...

Страница 22: ...RT pattern last selected in the user interface see Patterns on page 4 9 The default is QRSS When transmitting a test pattern the TST LED remains On The ERR LED lights for one second when a bit error o...

Страница 23: ...on is displayed for the near end unit connected directly to the terminal on the top line and for the far end unit connected to the network E1 inter face on the second line Refer to this information wh...

Страница 24: ...brackets or parenthesis are display only They cannot be changed on the screen Most user selectable fields are enclosed in brackets or parenthesis and are described in the following paragraphs Fields e...

Страница 25: ...ailable contact TxPORT Tech nical Support Menu Structure The terminal interface opens with the Main menu Figure 4 4 allowing five options Alarms Performance Mainte nance Configuration and Utilities Fi...

Страница 26: ...the current value of any parameter exceeds its non zero threshold The parameters shown on the Alarms screen are updated at approximately five second intervals RESET ALARM REGISTERS Pressing ENTER on R...

Страница 27: ...of performance data or the target of commands Near refers to the unit to which the terminal is connected Far refers to the unit at the other end of the network E1 span TARGET This field selects the d...

Страница 28: ...a Pressing ENTER on this field displays the next four errored intervals PAGE UP appears once PAGE DN is used Pressing ENTER on PAGE UP displays the previous four errored intervals Only intervals that...

Страница 29: ...screen of the interval beginning is shown Interval In the Enhanced 24 Hour screen Interval 1 is the most recently stored 15 minute interval and interval 96 is the oldest in the current 24 hour period...

Страница 30: ...are passed to the DTE ports The NET PLB may be activated by receipt of out of band loop code on the network receive signal or by selection in the user interface maintenance screen FAR PLB This selecti...

Страница 31: ...nit runs a BERT on the data channels assigned to Port One toward the network One DTE The unit runs a BERT on Port One data channel towards external equipment Channel 0 through 31 The unit runs a BERT...

Страница 32: ...due to consecutive severely errored seconds Network Interface To Network From Network RJ 48C Framer Deframer Multiplexer Receivers Drivers Receivers Drivers BERT Generator Detector DTE EIA 530 or V 35...

Страница 33: ...NET 5 4 2 1 E1 DTE LLB To Network From Network RJ 48C 5 4 2 1 To Ports From Ports 6 Port Loop bidirectional Network Interface Framer Deframer Multiplexer Receivers Drivers Receivers Drivers BERT Gener...

Страница 34: ...onfiguration to the unit press ENTER on one of the fields or exit the screen The underlined values are the factory default parameters 3021 DSU 1 00 1 01 P R I S M 3 0 2 1 Date 03 15 96 No Far End Resp...

Страница 35: ...here the bits are not carried through the remote communications channel option can be used to communicate with the far end unit see Remote Comm Channel below E1 NET Timing Sets the timing source to sy...

Страница 36: ...ed to the E1 DTE from 1 through 31 Channel 16 cannot be selected for E1 DTE applications if E1 NET Framing is set to CAS or CAS CRC Settings Selects the channel to be either IDLE or THRU Channel Alloc...

Страница 37: ...s This field shows the number of seconds generated by the terminal equipment when an improper signal is received from the facility or upon receipt of unframed all 1s The default is 0 AIS Seconds This...

Страница 38: ...ling if CAS framing is selected If CAS is not selected channel 16 is available for other use Port The port number is always ONE Port Type This field shows the type of DTE port V 35 or EIA 530 This fie...

Страница 39: ...Detect This field allows enabling or dis abling pin J V 35 or pin 18 EIA 530 to loop up the near local unit The default is Disable RL Remote Loop Detect This field allows enabling or disabling the mo...

Страница 40: ...alarm report type is set by the follow ing choices DISABLED Alarm reporting is disabled DIAL Sends reports through an attached AT command set compatible modem connected to the SUPV serial port which...

Страница 41: ...ration on page 2 1 Other pertinent informa tion is shown in the right column Figure 4 17 Summary Screen 3021 DSU 1 00 1 01 P R I S M 3 0 2 1 Date 03 15 96 No Far End Response Time 13 54 00 SUMMARY S1...

Страница 42: ...new password is activated and is no longer visible Therefore type carefully when entering a new password and verify before pressing ENTER When the terminal interface is exited and later reactivated th...

Страница 43: ...settings are then written to non volatile memory as the saved configuration Pressing ENTER on this field brings up the following warning DELETE ALL DATA AND RESTART UNIT NO YES FACTORY RESET Factory R...

Страница 44: ...4 22 Terminal Operation PRISM 3021...

Страница 45: ...isplayed Figure A 1 4 Select 3021 at Device Type using the arrow keys to highlight the field and the spacebar to toggle through the list of available products 5 Select the Download Method as either Sw...

Страница 46: ...nloading procedure overwrites the existing program in Flash Ensure that the appropriate file name is selected before pressing ENTER on the Download option Do not remove power or interrupt the download...

Страница 47: ...tion E1 DTE Cables and Adapters Part number 9 1001 096 2 120 twinax to RJ 48 adapter should read 9 1001 106 xxx 120 twinax to RJ 48 Part number 9 1001 097 2 75 BNC to RJ 48 adapter should read 9 1001...

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