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Related Manuals for PairGain HLU-611
Summary of Contents for PairGain HLU-611
- Page 1 UICK NSTALLATION UIDE Model List Part Number CLEI Code HLU-611 150-1217-03 T1L1JJK3AA ECHNOLOGIES 350-611-103-01 ECTION Revision History of this guide. Revision 01—March 17, 1998 A) Initial Release...
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Page 2: Table Of Contents
Technical Support ..............18 Bulletin Board Services ..........18 Copyright © 1998 PairGain Technologies, Inc. PairGain is a registered trademark and HiGain is a Trademark of PairGain Technologies, 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 of PairGain. -
Page 3: Introduction
March 17, 1998 Revision NTRODUCTION The PairGain® HiGain™ Line Unit Model HLU-611 Issue 1 List 3 (Part Number 150-1217-03) is the Central Office (CO) side of a repeaterless T1 transmission system. It is used in conjunction with the HRU-612 Remote... -
Page 4: Features
Revision March 17, 1998 350-611-103-01 Features The HLU-611 List 3 Line Unit front panel features are: PairGain Engineering - Plant Series HLU-611 List... - Page 5 Transmit (XMT) Craft port RS-232 connector that provides access to the maintenance, provisioning, and performance monitoring interface through a dumb terminal. Retaining latch Secures the HLU-611 to the shelf in which it is installed. HLU-611 List PairGain Engineering - Plant Series...
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Page 6: Compatibility
HLU-611 Card-Edge Connectors The HLU-611 List 3 card-edge connector pinouts are shown below. The HLU-611 List 3 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 7 350-611-103-01 March 17, 1998 Revision HLU-611 List PairGain Engineering - Plant Series...
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Page 8: Installing The Hlu-611
350-611-103-01 Installing the HLU-611 To install the HLU-611 List 3 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. The retaining latch locks into place, indicating that the unit is properly seated. -
Page 9: Provisioning
The options are set via 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 3 is unplugged. HLU-611 List 3 System Options table on page 9 lists the system options. -
Page 10: Using The Craft Port
350-611-103-01 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
Deselects the ESF frame ZBSTI mode. LPBK Configures the HLU-611 to ignore the 2 in 5 Smart-Jack loopback command. ENA* Enables the HLU-611 to respond to the 2 in 5 Smart-Jack loopback command. LBTO# NONE Disables automatic time-out cancellation of all loopbacks. - Page 12 Revision March 17, 1998 350-611-103-01 HLU-611 List 3 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 (Default value) The DS0 blocking option can only be set via the RS-232 maintenance port with a terminal. The 4-character HLU-611 List 3 front panel LED readout only displays the status of the blocking option. BLK indicates at least one channel is blocked.
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Page 14: Testing
Minor alarm and diagnostic messages routinely appear on the HLU-611 List 3 front-panel four-character display. This display turns on when power is initially applied to the HLU-611 List 3. To conserve power, the display only remains on for five minutes if neither the MODE or SEL buttons are pressed. -
Page 15: Loopbacks
350-611-103-01 March 17, 1998 Revision Loopbacks The HLU-611 List 3 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 16 Revision March 17, 1998 350-611-103-01 A block diagram showing the GNLB locations and their activation codes are shown below. PairGain Engineering - Plant Series HLU-611 List...
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Page 17: Four-Character Diagnostic Messages
350-611-103-01 March 17, 1998 Revision Four-Character Diagnostic Messages The HLU-611 List 3 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... -
Page 18: Specifications
PECIFICATIONS Power Consumption 14 Watts (typical); 18 Watts (maximum) Heat Dissipation 6 Watts (typical); 8 Watts (maximum) Mounting 220 Mechanics Dimensions Height: 5.9” (15 cm) Width: 1.4” (3.5 cm) Depth: 10” (25.4 cm) PairGain Engineering - Plant Series HLU-611 List... -
Page 19: Documentation
March 17, 1998 Revision OCUMENTATION The HLU-611 List 3 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 20 Revision March 17, 1998 350-611-103-01 PairGain Engineering - Plant Series HLU-611 List...
- Page 21 Corporate Office 14402 Franklin Avenue Tustin, CA 92780 Tel: (714) 832-9922 Fax: (714) 832-9924 For Technical Assistance: (800) 638-0031...