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Model
List Number
Part Number
UTU-712
ETU-762
11
150-1422-12150-1432-12
Page 1: ...ETSI RS RATE SELECTABLE HDSL LINE AND DESKTOP UNITS PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE 700 712 100 01N SECTION 700 712 100 01 Model List Number Part Number UTU 712 ETU 7...
Page 2: ...Inc Information contained in this document is company private to PairGain Technologies Inc and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent...
Page 3: ...Nx64k Serial Data Port 12 HDSL Interface 12 System Timing Circuits 12 Processor 13 On Board Power Supply Modules 14 Single Pair Rate Selectable Applications 14 Hot Swapping 15 Performance Monitoring a...
Page 4: ..._____________________________________________________________________________ 57 Firmware Download Utility ___________________________________________________________ 59 Reference Information ________...
Page 5: ...r Pinouts 22 Figure 13 Connecting a Maintenance Terminal to a Line Unit 23 Figure 14 Logon Password Screen 24 Figure 15 Console Screen Menu Bar 24 Figure 16 Console Screen Menu Structure 25 Figure 17...
Page 6: ...HDSL Unit Characteristics 2 Table 2 Transmission Ranges with ETSI Noise 3 Table 3 Line and Desktop Unit Front Panel Components 5 Table 4 Line and Desktop Unit Front Panel LED Indications 6 Table 5 ETU...
Page 7: ...ptions 58 Table 29 BER Section of Test Menu 58 Table 30 ETSI Firmware User Selectable Download Menu Options 60 Table 31 Navigating the ETSI Firmware Download Menu 60 Table 32 D9F HDSL Line Connector P...
Page 8: ...messages identified by icons appear in the text Notes contain information about special circumstances Cautions indicate the possibility of equipment damage or the possibility of personal injury Warnu...
Page 9: ...r connectors for convenient use as integrated desktop units The ETUs can be configured as an LTU or an NTU The ETU default configuration is NTU The ETU 762 does not provide or receive line power it mu...
Page 10: ...to either the input clock frequency at the Nx64k data port Nx64k Auto mode or the rate selection made from the LTU console screen Manual mode The time slot configuration HDSL rate applied to the LTU d...
Page 11: ...cables with mixed wire gauges and bridged taps TRANSMISSION RANGES Transmission ranges assume the presence of noise according to the ETSI model described in TS 101 135 The expected Bit Error Rate BER...
Page 12: ...components on these panels are described in Table 3 on page 5 and in Table 4 on page 6 The ETU 762 desktop unit rear panel is shown in Figure 4 on page 7 The components on this panel are described in...
Page 13: ...he line unit s flash memory as described in Firmware Download Utility on page 59 This port is configured as DCE see Maintenance Terminal Connection on page 22 for pinouts Bar code label all units Cont...
Page 14: ...SL ALM LED Steady red Pulsing red Off Loss of sync word LOSW or the margin is below the set margin alarm threshold or Errored Seconds ES count is above threshold on any span Pulses for every ES on any...
Page 15: ...ector Connects Nx64k data circuits to the enclosure See Table 33 on page 61 for the D25F data port connector pinouts D9F HDSL line connector Connects the HDSL pairs to the enclosure See Table 32 on pa...
Page 16: ...management shelf rear connector access 150 1400 01 EMS 831 Exchange office management shelf front connector access 150 1401 01 EMS 832 Exchange office management shelf front connector access 150 1402...
Page 17: ...795 ft 4 7 km 15 420 ft 5 2 km 17 060 ft 6 7 km 21 982 ft 512 3 5 km 11 483 ft 4 5 km 14 764 ft 4 6 km 15 092 ft 6 3 km 20 669 ft 768 3 2 km 10 499 ft 4 2 km 13 779 ft 4 3 km 14 108 ft 5 9 km 19 357...
Page 18: ...ute intervals and 7 Day 24 hour intervals for ES and Unavailable Seconds UAS Alarm Time stamp of first and last occurrence number of occurrences for all enabled alarms Power Requirements UTU 712 Local...
Page 19: ...testing including monitoring and loopbacks MAJOR COMPONENTS The major components of the line and desktop units include Nx64k serial data port V 35 V 36 X 21 or RS 530 high speed rate selectable HDSL...
Page 20: ...console screen menus The HDSL cards can be set to respond to or ignore the input control signals Local Loopback LL and Remote Loopback RL for loopback activation HDSL Interface The HDSL interface inc...
Page 21: ...ternal Terminal Timing TT clock from the DTE Figure 7 illustrates the Transmit Clock circuit function When the data port has Nx64k selected as its primary timing source the transmit clock is fixed to...
Page 22: ...the use of doublers The HDSL line rate depends on the number of time slots selected The UTU 712 and ETU 762 each have 12 time slots with a bandwidth of from 64 kbps to 768 kbps 1 to 12 time slots sele...
Page 23: ...ified whether the alarm reports as a Major or Minor alarm See System Configuration on page 22 to configure alarms See View Status on page 43 to view alarm conditions The HDSL transmission and applicat...
Page 24: ...Word LOSW The unit cannot receive data over the given HDSL loop Margin MAR The HDSL noise margin of the loop has fallen below the set threshold Errored HDSL Second ES Threshold Exceeded The number of...
Page 25: ...link and looped back at the remote interface ports The HDSL link must be up for this loopback to be available With no HDSL link up the REM button will not enable any loopbacks The RL control line whe...
Page 26: ...console screen at intervals of approximately 16 seconds The PRBS data pattern is always generated at the LTU toward the HDSL channel and the BER is always measured at the LTU based on data received fr...
Page 27: ...y a locally recognized organization should be used with PairGain equipment All wiring external to the product should follow the local wiring codes Bitte beachten Sie dass beim Installieren oder Veraen...
Page 28: ...ighten the two captive screws on the UTU 712 front panel to secure the unit in place 4 If configuring the line unit as an LTU power up the shelf and proceed as instructed on pages 22 through 24 and 34...
Page 29: ...lectable unit The LTU then configures the NTU with the required settings Power up the rate selectable units and observe the synchronization process as follows 1 Power up the shelf or enclosure where t...
Page 30: ...the entire HDSL system The line unit option settings are stored in non volatile RAM NVRAM No dip switches or jumpers are required to configure these options These options are set from the console scr...
Page 31: ...terminal for the following communication settings VT100 Emulation or ANSI if VT100 is not available clear the modem initialization string if supported by the terminal Bits per second 1200 2400 4800 9...
Page 32: ...ype the password at the prompt or press if a password has not been customized The console screen menu bar displays Figure 15 Figure 15 Console Screen Menu Bar The key is the factory default password I...
Page 33: ...structure of the console screen displays and drop down menus is shown in Figure 16 The names in the console screen menu bar identify each display and menu The arrows in the menu bar following the Mon...
Page 34: ...ies History Menu on page 49 Config Perform any of the following system functions View or change global operating parameters for the system View or change LTU interface HDSL span or NTU interface opera...
Page 35: ...te and time The items described in Table 12 correspond to the numbers in Figure 17 Figure 17 Items in Console Screen Status Bar Table 12 Console Screen Status Bar Displays Item Field Description 1 Cir...
Page 36: ...ght a menu item and press to select the item key Provides same function as the key moves up one line in the History screens moves down one line in the History screens performs the page down function i...
Page 37: ...cle When the HDSL units are reset or cycle power the date field is saved but the time field is not saved Set the time using the Config Date and Time display When the HDSL units are turned off and left...
Page 38: ...that matches the terminal configuration which should also be the selection most clearly displayed on the monitor The choices are VT100 WINDOWS TERMINAL IBM PC ASCII 3 Press to confirm the selection T...
Page 39: ...d is useful when viewing alarm histories When the HDSL units are reset or cycle power the values in the date field are saved but the values in the time field are reset to 00 00 Set the time using the...
Page 40: ...re 21 Config Change Password Menu 2 Enter a new password up to eight characters to change the current system password 3 Retype the new password up to eight characters to confirm its accuracy When chan...
Page 41: ...ID The circuit ID appears on the status line of each console screen Choose a unique circuit ID for each HDSL card 1 Type at the Config drop down menu to display the Config Circuit ID menu Figure 22 Fi...
Page 42: ...ngs menu for the UTU 712 and ETU 762 Figure 23 Config System Settings Menu 2 Do the following for each system option setting to be changed Table 15 on page 35 describes the fields and options displaye...
Page 43: ...t only at the LTU ALLOWED NTU console screens can be used to configure the system BLOCKED NTU console screens are read only The LOC and REM pushbuttons on the NTU are also disabled System changes can...
Page 44: ...the Config LTU or NTU Interface menu for the Config LTU Interface menu Figure 24 for the Config NTU Interface menu Figure 25 Figure 24 Config LTU Interface Menu Figure 25 Config NTU Interface Menu The...
Page 45: ...ng TS is always 0 zero Transmit Clock Selects the transmit data SD clock as External EXT Internal Rising Edge INT_RISING or Internal Falling Edge INT_FALLING Transmit clock is always EXT if the Timing...
Page 46: ...arm relay and are stored in history Console screen menu alarm history reports are generated The LTU alarm relay activates in response to a major alarm at the LTU only The NTU alarm relay activates in...
Page 47: ...Figure 27 for the Config Alarms NTU Interface menu Figure 28 Figure 27 Config Alarms LTU Interface Menu Figure 28 Config Alarms NTU Interface Menu 2 Do the following for each interface option to be c...
Page 48: ...ble 19 on page 41 Use the or key to select the sub menu item to be changed Use the to toggle to the appropriate option or type in the correct information then press to select the option Table 18 Field...
Page 49: ...ld This indicates a potential degradation of line quality If an alarm is configured as a protection switch PSW it will behave as a Major MAJ Alarm and cause protection switching to engage Margin Thres...
Page 50: ...from the menu bar or by disconnecting the cable connecting the maintenance terminal to the line or desktop unit Automatic log off occurs after 20 minutes of keyboard inactivity Table 20 Factory Defau...
Page 51: ...E SCREEN The Main console screen displays a summary of LTU and NTU circuit configuration performance statistics and alarm status for each interface in the circuit Type to display the Main console scre...
Page 52: ...link is not up MAR2 Reserved ES1 Displays the errored second counts for each HDSL interfaces The counts are for the latest 24 hour period calculated as the sum of the counts in the previous 95 15 min...
Page 53: ...Interface screen that displays signal activity at the LTU serial data port NTU Interface screen that displays signal activity at the NTU serial data port HDSL Span 1 screen that displays 24 hour error...
Page 54: ...f the TT terminal timing SD transmit data ST send timing RT receive timing and RD receive data signals at the Nx64k port at one second intervals Asterisks indicate an active line Dashes indicate an in...
Page 55: ...permits viewing of signaling activity at the NTU serial data port At the Monitor menu Figure 32 type to display the Monitor NTU Interface screen Figure 34 Figure 34 Monitor NTU Interface Screen The fi...
Page 56: ...is from 6 to 22 dB with a value of 6 dB corresponding to a predicted BER of 10 10 Low Margin dB Indicates the lowest margin since startup or the last 24 hour history clear High Margin dB Indicates th...
Page 57: ...nterfaces that display alarm performance history for the LTU and NTU interface HDSL Span that displays 24 hour 7 day and alarm performance history for the HDSL span The History menu also provides the...
Page 58: ...istory LTU and NTU Interface Screens At the History menu Figure 36 type to select the History LTU Interface menu Figure 37 Figure 37 History LTU Interface Menu At the History menu Figure 36 type to se...
Page 59: ...ns If no alarm has occurred since the last alarms were cleared the message No alarms reported displays on the appropriate line for each alarm Only the Alarm History screen is available for the LTU and...
Page 60: ...History HDSL Span 1 menu Figure 40 Figure 40 History HDSL Span 1 Menu The History HDSL Span 1 menu contains three viewing options 24 Hour History 7 Day History Alarm History HDSL Span 1 24 Hour Histo...
Page 61: ...nce history Type or to display the previous or next screen in the sequence respectively Press the or key to scroll the screen up or down by one line respectively 7 Day HDSL Span 1 Performance History...
Page 62: ...no alarm has occurred since the last alarms were cleared the message No alarms reported displays on the appropriate line for each alarm Table 26 HDSL Span Alarm History Data Column Description Alarm...
Page 63: ...e alarm history option to be cleared with the and keys then press The following confirmation message displays ALL 24 HOUR or 7 DAY or ALARM HISTORIES WILL BE CLEARED CONTINUE Y N 2 Do one of the follo...
Page 64: ...LTU NTU and doubler unit hardware configuration level Serial Displays the unique serial number of the LTU NTU and any doubler units for inventory and service tracking Manuf Displays the date the LTU...
Page 65: ...e Test menu options Table 29 lists the fields displayed in the Bit Error Rate BER section of the test menu Loopbacks remain active until the timeout elapses or the configuration changes The loopback l...
Page 66: ...s normal transmission of user payload Prior BER tests are maintained for reference on the screen STOP must be selected to terminate the BER test prior to exiting the screen RESTART Begins BER test Thi...
Page 67: ...ETSI Firmware Download utility follow these rules Make sure the destination unit where the new firmware is to be upgraded is correct before pressing the key Do not disconnect the interface cable duri...
Page 68: ...ion PORT Provides support for two communication ports COM1 at Hex 3F8 COM2 at HEX 2F8 SPEED Supports Standard 9600 bit s Medium 19 2K kbps Fast 38 4 kbps Faster 57 6 kbps and TURBO 115 2 kbps speeds T...
Page 69: ...SL cards Table 33 D25F Data Port Connector Pinouts Pin Signal Name V 35 V 36 X 21 DCE Input Output 7 Signal Ground SG SG SG 2 14 Send Data SD_A SD_B SD_A SD_B T_A T_B Input 3 16 Receive Data RD_A RD_B...
Page 70: ...Data B Receive Data A 3 R Receive Data A Receive Data B 16 T Receive Data B Request to Send A 4 C Request to Send Clear to Send A 5 D Clear to Send Data Set Ready A 6 E Data Set Ready Data Terminal Re...
Page 71: ...o DB15F X 21 Connector Adapter Pinouts DB25M Connector DB15F X 21 Connector Signal Pin Pin Signal Send Data A 2 2 Send Data A Send Data B 14 9 Send Data B Receive Data A 3 4 Receive Data A Receive Dat...
Page 72: ...odular style connector Table 36 lists the ECA 802 pinouts Figure 49 ECA 802 DB9M to RJ 45 Connector Adapter Part Number 150 1472 01 Table 36 ECA 802 DB9M to RJ 45 Connector Adapter Pinouts DB9M Connec...
Page 73: ...connector Table 37 lists the ECA 804 pinouts Figure 50 ECA 804 DB9M to Four Position Terminal Block Connector Adapter Part Number 150 1474 01 Table 37 ECA 804 DB9M to Four Position Terminal Block Conn...
Page 74: ...an Order Acknowledgment to the bill to and ship to addresses unless directed otherwise Table 38 PairGain Regional Sales Offices Region Location Hours Telephone Number Fax Number United States Canada T...
Page 75: ...Transmission speeds up to 28 8 kbps are supported with a character format of 8 N 1 WARRANTY PairGain Technologies warrants this product to be free of defects and to be fully functional for a period of...
Page 76: ...are provided in the Specifications section on page 8 It is essential that when the equipment is installed in a receiver the minimum creepage and clearance distances between the equipment and any devic...
Page 77: ...lots mapped to a data port DS0 Digital Service Level 0 64 kbps Op Operation DSR Data Set Ready PFO Power Feed Open DTE Data Terminal Equipment PFS Power Feed Short DTR Data Terminal Ready ppm pulse pe...
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Page 80: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031...
