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System Configuration

350-819-200-01, Revision 01

12

November 12, 1999

 HLU-819 List 1

2

Configure the maintenance 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: 9600 (recommended)

•

Data bits: 8

•

Parity: None

•

Stop bits: 1

•

Flow Control: None

Figure 7.

HMU-319 Craft Port and Maintenance Terminal 

Connector Pinouts

HMU-319 or UTU-814

craft port

DB-9 Connector

(DCE)

DTR (Data Terminal Ready)

TD (Transmit Data)

RD (Receive Data)

GND

4

3

2

5

DB-9 Connector

(DTE)

DB-25 Connector

(DTE)

Maintenance terminal

Maintenance terminal

4

3

2

5

20

3

2

7

Содержание 150-2238-01

Страница 1: ...TALLATION GUIDE PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES SECTION 350 819 200 01 Model List Number Part Number CLEI Code HLU 819 1 150 2238 01 VACHPSXC R C V X M T STATUS HLU 819 H G HD I AIN L B R G L I N E B R G L I N E 1 ...

Страница 2: ...and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent of PairGain Information furnished by PairGain Technologies is believed to be accurate and reliable However no responsibility is assumed by PairGain Technologies for its use nor for any infringement of patents or other rights of third parties which may result from its use No license is gran...

Страница 3: ... on this PairGain document send an email to technical_publications pairgain com Type the product name and the section number of the document in the subject area of the email message Notes contain information about special circumstances Cautions indicate the possibility of equipment damage or personal injury The Electrostatic Discharge ESD Susceptibility symbol indicates that a device or assembly i...

Страница 4: ...ocated inside the back cover If you must store the equipment for a prolonged period store the equipment in its original container SAFETY To ensure your safety when servicing and installing this equipment please take the following precautions Be careful when installing or modifying telephone lines Dangerous voltages can be present It is unsafe to install telephone wiring during a lightning storm Al...

Страница 5: ...ation _______________________ 10 System Configuration____________________________________ 11 Maintenance Terminal Connection 11 Logging On 13 Navigating Menus 14 Console Screen Menu Structure 15 System Settings 18 LTU HLU 819 and NTU UTU 814 Interface Settings 20 Reading the Console Screens 23 Viewing Status 23 Main Console Screen 23 Monitor Screens 26 Monitor LTU HLU 819 and NTU UTU 814 Interface...

Страница 6: ...ling the UTU 814 into the ERE 811 Remote Enclosure 8 6 ERE 811 List 2 Rear Panel 9 7 HMU 319 Craft Port and Maintenance Terminal Connector Pinouts 12 8 Console Screen Menu Structure 16 LIST OF TABLES 1 HLU 819 List 1 Front panel Status LED Description 4 2 Console Screen Navigation Keys 14 3 Console Screen Menus 16 4 Settings in Config System Settings Menu 18 5 Settings in Config LTU and NTU Interf...

Страница 7: ... 449 X 21 or RS 530 ports to the customer see Figure 1 The HLU 819 accepts the respective payloads through a DSX 1 port from a multiplexer or a DS1 cross connect shelf and transports it to the UTU 814 List 1B at a maximum data rate of up to 1 544 Mbps An internal time slot assignment function splits the DS1 bandwidth between these two ports as two Nx64K tributaries Figure 1 Typical HLU 819 List 1 ...

Страница 8: ... 000 ft 2 74 km when using 26 AWG twisted pair copper wire including bridged taps The HLU 819 requires 36 to 72 Vdc from the local power supply and can source up to 50 milliamperes mA on each of the HDSL data loops to line power the remote unit STANDARD FEATURES DSX 1 T1 interface at the CO DS1 T1 and data port interfaces at the remote Two pair High bit rate Digital Subscriber Line HDSL interface ...

Страница 9: ...e 4 describes the front panel components A diagram of the line and bridging access jacks is shown in Figure 3 on page 5 Figure 2 HLU 819 Front Panel HLU 819 HiGain HD L R C V B R G B R G X M T L I N E L I N E DSX 1 access jacks Status LED CLEI code label on outside of handle Configuration number label on inside of handle PairGain 1 STATUS ...

Страница 10: ...jack access to XMT and RCV at the DSX 1 interface Allows the two T1 payloads to be monitored LINE Provides splitting jack access to Transmit XMT and Receive RCV at the DSX 1 interface Breaks the XMT and RCV paths to permit test signal insertion and retrieval CLEI and ECI bar code label located on the side of the unit Provides the human readable Common Language Equipment Identifier CLEI code number...

Страница 11: ...350 819 200 01 Revision 01 Front Panel HLU 819 List 1 November 12 1999 5 Figure 3 DSX 1 Access Jacks ...

Страница 12: ...or locally either AC or 48 Vdc The remote unit must be set up independently from the CO terminal Shelf and remote enclosure chassis ground must be connected to earth ground to protect the equipment and for safety of personnel Additional protection is required when the network side of the equipment is extended to an outside facility When installing an HLU in a chassis or a UTU in a remote enclosure...

Страница 13: ...the HLU 819 into a Shelf 1 Slide the HLU 819 into the guide rails of any of the open 28 slots on the shelf Figure 4 2 Push the unit back until it touches the backplane card edge connector and is firmly seated Once the HLU 819 is in place it is automatically configured as an LTU which displays on the maintenance terminal console screens ...

Страница 14: ...te Enclosure 1 Align the card with the guide rails at the left and right sides of the enclosure opening Figure 5 2 Push the card into the enclosure until the front panel is flush with the front of the enclosure 3 Tighten the captive screws 4 Connect the DS1 port cable DB 15F Figure 6 on page 9 if applicable Captive screw H G I AIN ETSI Guide rail Line card Captive screw ERE Enclosure ...

Страница 15: ...ing the cable ECA 806 List 1 DB 15M to RJ 48C The UTU 814 is automatically configured as an NTU which displays on the maintenance terminal console screens after HDSL startup and synchronization Figure 6 ERE 811 List 2 Rear Panel Jumpers and BNC are not applicable for UTU 814 List 1B For T1 applications UTU 814 List 1B uses the standard 100 Ω DB 15 G 703 interface HDSL line DB 9F Data port DB 25F 7...

Страница 16: ... Product Support on page 30 if assistance is required 2 The Status LED flashes green once per second as the unit attempts to establish synchronization 3 After approximately 30 seconds confirm one of the following The Status LED is steady green indicating the unit is synchronized and ready to transmit and receive data The unit can now be configured through the maintenance terminal console screen me...

Страница 17: ... unit the HDSL system can be configured and performance monitored from the HMU 319 management unit Both the HLU 819 and UTU 814 are configured at this time from the same maintenance screens If the HDSL link is down the only parameters that can be changed are those on the local unit The HLU 819 provides a special lockout feature that prevents users connected to the remote maintenance terminal from ...

Страница 18: ...m initialization string if supported by the terminal Bits per second 9600 recommended Data bits 8 Parity None Stop bits 1 Flow Control None Figure 7 HMU 319 Craft Port and Maintenance Terminal Connector Pinouts HMU 319 or UTU 814 craft port DB 9 Connector DCE DTR Data Terminal Ready TD Transmit Data RD Receive Data GND 4 3 2 5 DB 9 Connector DTE DB 25 Connector DTE Maintenance terminal Maintenance...

Страница 19: ... may be changed by the user 4 Type public 1 in the Enter Password field then press The Enter Password field may be changed by the user 5 Type TAO at the prompt then press This opens the Terminal Access Option TAO 6 Select the shelf number of the HLU 819 to display the shelf status screen 7 Select the slot number of the HLU 819 to log onto the HLU and display the console screen menus Logon procedur...

Страница 20: ...e and keys to highlight a sub menu item then press to select the item key Provides same function as the key and keys Moves horizontally across the Menu bar except when in a text entry field and moves up one line and moves down one line on the History screens and performs page down and performs page up functions on the History screens Toggles among options displayed for current menu item For exampl...

Страница 21: ...g a text field however the first terminates editing and a second applies any changes Because the system will not accept invalid configurations some settings will not be allowed Verify that all new settings remain set after the highlighted cursor is moved from the selection being changed Table 2 Console Screen Navigation Keys Cont These Keys Perform this Function ENTER ENTER ENTER ENTER ...

Страница 22: ...screen menus which pertains only to the local configuration and not to the remote Each menu is identified by name in the menu bar Monitor History Config etc The Display and Displays designation indicates that the menu or sub menu shows one or more screens Table 3 on page 17 describes the drop down menus selected from the Console screen For a detailed explanation of the screens refer to the technic...

Страница 23: ...y of the following system functions View or change global operating parameters for the system View or change LTU interface HDSL span or NTU interface operating parameters View or change alarm parameters Set the time and date Set or change the unit password Change the circuit ID Configure terminal display Set all operating parameters to factory defaults Test Performs any of the following test funct...

Страница 24: ...t the same time TSP System operates in time slot prioritization mode Time slots 1 through 12 transport high priority traffic over Loop 1 time slots 13 through 24 transport low priority traffic over Loop 2 If a loop fails time slots 1 through 12 are sent over the active loop The NTU must be locally powered Remote Power Feed must be set to NONE SINGLE System operates in single pair mode using time s...

Страница 25: ...op but will limit distance Remote Console Screen Access Select whether system settings can be made from the NTU console screen or the settings are read only This option is set only at the LTU ALLOWED NTU console screens can be used to make system settings BLOCKED NTU console screens are read only The LOC and REM pushbuttons on the NTU are also disabled System settings can be made only from the LTU...

Страница 26: ...SF Provides 24 frames of 24 time slots per Extended SuperFrame N A Unit is in unstructured unframed application mode Idle Code Select a transmit idle code for insertion into unused time slots 00 to FF Idle code from 00 to FF is transmitted in unused time slots from DSX 1 port Data Rate of TSs a Specify the DSX 1 transmit data rate as the number of kbps or the number of Nx64K time slots 64 to 1536 ...

Страница 27: ...equalization for 266 to 399 feet 399 Sets the line equalization for 399 to 533 feet 533 Sets the line equalization for 533 to 655 feet Insert Framing Enable or disable framing insertion Use where data requires insertion of D4 SF or ESF framing for transmission over T1 network DIS Disables framing insertion ENA Enables framing insertion Line Code Select Bipolar Eight Zero Suppression B8ZS or Altern...

Страница 28: ...ernal EXT Internal Rising Edge INT_RISING or Internal Falling Edge INT_FALLING CTS DSR RLSD Specify one of three methods the LTU and NTU uses to generate the CTS DSR and RLSD control signals for the Nx64K V 35 V 36 RS 530 RS 449 or X 21 serial data port The Nx64K port is hardware configured as DCE Set each of these parameters to match the requirements of the application The choices are STD standar...

Страница 29: ...AO to access the HLU 819 MAIN CONSOLE SCREEN The main console screen displays a summary of LTU and NTU circuit configuration as well as performance statistics and alarm status for each interface Table 6 on page 24 lists the information displayed in each field of the main console screen For proper operation only NTUs will connect to LTUs When entering a number on the screen for example a time slot ...

Страница 30: ...OWER or WETTING mode for Remote Power Feed Nothing is shown when NONE is selected Timing Indicates the clock source for the HDSL transmit direction EXT External 1 544 MHz clock DSX 1 Clock extracted from T1 data stream Framing Indicates the Framing Mode selected for the DSX 1 port D4 SF SuperFrame contains 12 frames with 24 time slots per SuperFrame ESF SuperFrame contains 24 frames with 24 time s...

Страница 31: ...only AIS Alarm Indication Signal unframed all ones received at the DSX 1 input RAI Remote Alarm Indication Signal received at the DSX 1 input framed mode only LOC Loss of clock when EXT timing is used The external clock was lost for the previous second This alarm is reset when the clock is active again Possible HDSL Span 1 alarms MAR Margin has fallen below alarm threshold for one or both loops of...

Страница 32: ...mber 12 1999 HLU 819 List 1 MONITOR SCREENS The monitor screens display the signal activity and Performance Monitor PM counts at the LTU HLU 819 DSX 1 and NTU UTU 814 DSX 1 and Nx64K ports Table 7 on page 27 lists each field and a description of that field ...

Страница 33: ...ten consecutive non SESs the system returns to availability and the ten counts representing the non SESs are removed from the UAS counter Bipolar Violation Seconds Cumulative The number of seconds in which bipolar violations were detected at the DSX 1 port since error counters were last cleared Nx64K Port Data port on the UTU 814 Data Clk Activity Displays the status of the data and clock signals ...

Страница 34: ...rmal range of pulse attenuation is from 1 to 32 dB Errored Seconds ES The number of one second intervals in which at least one HDSL CRC 6 error or loss of Sync Word LOSW was detected on the HDSL span during the last 24 hours Unavailable Seconds UAS The number of seconds that the HDSL span was down during the last 24 hours Pair Exchange Indicates whether the HDSL pairs carrying the traffic are corr...

Страница 35: ...MS 308 8 slot 3192 mechanics remote enclosure The UTU 814 List 1B is compatible with the following PairGain HiGain ETSI shelves and enclosures EMS 830 Exchange Office Management Shelf rear connector access part number 150 1400 01 EMS 831 Exchange Office Management Shelf front connector access part number 150 1401 01 EMS 832 Exchange Office Management Shelf front connector access part number 150 14...

Страница 36: ...ly by a Customer Service Engineer At other times a request for technical assistance is handled by an on duty Customer Service Engineer through a callback process This process normally results in a callback within 30 minutes of initiating the request WORLD WIDE WEB PairGain product and company information can be found at http www pairgain com using any Web browser To download PairGain product manua...

Страница 37: ...irgain com 3 Include the following information in writing along with the equipment you are returning Company name and address Contact name and telephone number The shipping address to which PairGain should return the repaired equipment The original purchase order number A description of the equipment that includes the model and part number of each unit being returned as well as the number of units...

Страница 38: ...ping carton 5 Write PairGain s address and the RMA Number you received from the RMA Department clearly on the outside of the carton and return to PairGain Technologies Inc 14352 Franklin Ave Tustin CA 92780 7013 Attention RMA Number All shipments are to be returned prepaid PairGain will not accept any collect shipments ...

Страница 39: ...uipment CLEI Common Language Equipment Identifier DTR Data Terminal Ready CO Central Office ECA ETSI Cable Adapter COM Communications ECI Equipment Catalog Item CPE Customer Premises Equipment ENA Enable CSA Carrier Service Area ERE ETSI Remote Enclosure CSU Channel Service Unit ES Errored Seconds CSU Channel Service Unit ESF Extended SuperFrame CTS Clear to Send ETSI European Telecommunications S...

Страница 40: ...e NEBS Network Equipment Building System TM Test Mode NEC National Electrical Code TS Time Slot ORB Office Repeater Bay TSP Time Slot Priority OS Operating System TT Terminal Timing OSTS Open Span Termination Shelf UAS Unavailable Seconds PFO Power Feed Open UTU Universal Termination Unit PFS Power Feed Short XMT Transmit PM Performance Monitor RAIS Remote Alarm Indication Signal RCV Receive RD Re...

Страница 41: ... not try to repair the unit If it fails replace it with another unit and return the faulty unit to PairGain for repair Any modifications of the unit by anyone other than an authorized PairGain representative voids the warranty If a unit needs repair call PairGain for a Return Material Authorization RMA number and return the defective unit freight prepaid along with a brief description of the probl...

Страница 42: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 7013 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031 ...

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