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CopperOptics PairGain HiGain HLU-611 Quick Installation Manual

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Q
UICK
Model
HLU-611
P
AIR
S
Revision History of this guide.
H
G
L
I
AIN
I
NSTALLATION
List
Part Number
1
150-1217-01
G
T
AIN
ECHNOLOGIES
350-611-101-01
ECTION
Revision 01—March 17, 1998
A) Initial Release
U
INE
NIT
G
UIDE
, I
CLEI Code
T1LIUC04AA
.
NC

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  • Page 1 UICK NSTALLATION UIDE Model List Part Number CLEI Code HLU-611 150-1217-01 T1LIUC04AA ECHNOLOGIES 350-611-101-01 ECTION Revision History of this guide. Revision 01—March 17, 1998 A) Initial Release...

  • Page 2: Table Of Contents

    350-611-101-01 Revision 01 Table of Contents Introduction ................1 Features ................2 Compatibility ..............4 Installation ................4 HLU-611 Card-Edge Connectors ........5 Installing the HLU-611 ............. 6 Provisioning ................7 Using the SEL and MODE Front Panel Buttons ....7 Default Settings..............

  • Page 3: Introduction

    350-611-101-01 March 17, 1998 Revision NTRODUCTION The PairGain® HiGain™ Line Unit Model HLU 611 Issue 1 List 1 (Part Number 150-1217-01) is the Central Office (CO) side of a repeaterless T1 transmission system. It is used in conjunction with the HRU-612 Remote Unit to provide a complete HiGain Very High-bit-rate Digital Subscriber Line (VHDSL) system on one non-loaded copper pair over the cable lengths shown in the following table at the line rate of 392 kHz.

  • Page 4: Features

    Revision March 17, 1998 350-611-101-01 Features The HLU-611 List 1 Line Unit front panel features are: PairGain Engineering - Plant Series HLU-611 List...
  • Page 5 350-611-101-01 March 17, 1998 Revision The HLU-611 List 1 front panel components are: Name Function Front panel display Four character LCD that provides status messages for VHDSL, S/N margin, optional settings and alarms. System MODE and SEL (Select) buttons used to set system modes. option buttons Status LED Tri-color LED that indicates system state:...

  • Page 6: Compatibility

    Revision March 17, 1998 350-611-101-01 Compatibility The HLU-611 List 1 is designed to mount in the following shelves: • 200-configuration Office Repeater Bay (ORB) shelf or equivalent Small Cross Section Shelf (SXSS) • Kentrox T-Term • Wescom 342-30 shelves • PairGain HCS-418 (19”) shelf •...

  • Page 7: Hlu-611 Card-Edge Connectors

    350-611-101-01 March 17, 1998 Revision HLU-611 Card-Edge Connectors The HLU-611 List 1 card-edge connector pinouts are shown below. The HLU-611 List 1 uses pins 20 and 21 as alarm-relay output. The Kentrox 220 T-Term shelf uses the same pins for external equalizer output. If the HLU-611 is installed into a Kentrox shelf, the HLU-611 ALM option must be disabled.

  • Page 8: Installing The Hlu-611

    Revision March 17, 1998 350-611-101-01 Installing the HLU-611 To install the HLU-611 List 1 into the shelf, slide the unit into the shelf card guides for the desired slot. Push the unit in until it is entirely within the card guide.

  • Page 9: Provisioning

    350-611-101-01 March 17, 1998 Revision ROVISIONING The HLU-611 List 1 contains a non-volatile RAM (NVRAM) which stores the system option settings. The options are set from the buttons on the front panel, or through the RS-232 interface. They are retained if shelf power is lost or if the HLU-611 List 1 is unplugged.

  • Page 10: Using The Craft Port

    Revision March 17, 1998 350-611-101-01 Using the Craft port The Craft port, a 9-pin RS-232 connector, on the HLU-611 front panel allows you to use a standard RS-232 cable to connect your system to a dumb terminal or PC running a terminal emulation program. Once connected you can access the maintenance, provisioning, and performance screens.

  • Page 11: System Options Settings

    350-611-101-01 March 17, 1998 Revision System Options Settings The asterisks (*) in the following system settings descriptions indicate the factory default settings. To return the HLU to the default settings, press the SEL button for 6 seconds. The Margin threshold and DSX blinking options must be set from the RS-232 port.
  • Page 12 Revision March 17, 1998 350-611-101-01 HLU-611 List 1 System Options (Continued) Mode Selection Description ESAL Closes the alarm relay contacts across pins 20 and 21 and flashes the red STATUS LED when 17 ES (17 HDSL CRC errors on either HDSL loop or a total of 17 BPVs) occur within a 24-hour period.
  • Page 13 350-611-101-01 March 17, 1998 Revision HLU-611 List 1 System Options (Continued) Mode Selection Description FRMG AUTO* Configures HiGain to operate in an auto-framing (AUTO) mode in which it continuously searches the input T1 bit stream for a valid Superframe or Extended Superframe pattern. This feature is required for fractional T1 applications (DS0 blocking) where it insures proper channel time slot alignment.
  • Page 14 Revision March 17, 1998 350-611-101-01 HLU-611 List 1 System Options (Continued) Mode Selection Description MARgin 0 to 15 dB The Margin Alarm Threshold can only be set via the RS-232 Alrm Thrs maintenance port with a terminal. It determines the minimum allowable margin below which a minor alarm can occur.

  • Page 15: Testing

    350-611-101-01 March 17, 1998 Revision ESTING Minor alarm and diagnostic messages routinely appear on the HLU-611 List 1 front-panel four-character display. This display turns on when power is initially applied to the HLU-611 List 1. To conserve power, the display only remains on for five minutes if neither the MODE or SEL buttons are pressed.

  • Page 16: Loopbacks

    Revision March 17, 1998 350-611-101-01 Loopbacks The HLU-611 List 1 loopback messages are listed in the following table. Loopback Messages Message Full Name Description SMJK Smart-Jack Loopback Loopback at HRU toward the CBA initiated by either the (2 in 5) in-band loopback code or the out-of- band ESF data link code.
  • Page 17 350-611-101-01 March 17, 1998 Revision A block diagram showing the GNLB locations and their activation codes are shown below. HLU-611 List PairGain Engineering - Plant Series...

  • Page 18: Four-Character Diagnostic Messages

    Revision March 17, 1998 350-611-101-01 Four-Character Diagnostic Messages The HLU-611 List 1 diagnostic messages are listed in the table below. Four-Character Diagnostic Messages Message Full Name Description FERR Framing Bit Error Framing bit error occurred at HLU T1 input. Occurred LBPV Local Bipolar Violation A bipolar violation has been received at the T1...

  • Page 19: Specifications

    350-611-101-01 March 17, 1998 Revision Four-Character Diagnostic Messages (Continued) Message Full Name Description HLU Software This is displayed during the System Settings Version # review mode. Depress the MODE button for 3 seconds to enter System Settings review mode. LIST 0xL HLU’s List # Displayed during System Settings review mode defined above.

  • Page 20: Documentation

    Revision March 17, 1998 350-611-101-01 OCUMENTATION The HLU-611 List 1 has a complete technical practice that you can download from the PairGain Technical Manuals Web page at: www.pairgain.com. A password is required. If you do not have a password, contact your PairGain sales representative.
  • Page 21 Corporate Office 14402 Franklin Avenue Tustin, CA 92780 Tel: (714) 832-9922 Fax: (714) 832-9924 For Technical Assistance: (800) 638-0031...

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