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Section 150-232-100
Revision 01

Page 50

TABLE 14.  HLU-232 LIST 1D DOUBLER POWER PARAMETERS

60 mA CPE

Current

CO Voltage

Volts

CO Current

Amps

HDU-451

List 1, 2

CO Current

Amps

HDU-451

List 3, 4

HDU-439/437

Power

Consumption

Watts

HDU-451

List 1, 2

Power

Consumption

Watts

HDU-451

List 3, 4,

HDU-439/437

HLU Power
Dissipation

Watts

HDU-451

List 1, 2

HLU Power
Dissipation

Watts

HDU-451

List 3, 4,

HDU-439/437i

OFF

42.5

0.65

0.50

28

22

8.5

8.25

OFF

48.0

0.59

0.41

28

22

8.5

8.25

OFF

56.0

0.50

0.38

28

22

8.5

8.25

ON

42.5

0.80

0.58

34

25

9.0

8.5

ON

48.0

0.70

0.52

34

25

9.0

8.5

ON

56.0

0.60

0.43

34

25

9.0

8.5

TABLE 15.  HLU-232 LIST 1D/ HDU-451

LIST 1, 2, 3, and 4 DEPLOYMENT GUIDELINES

Shelf Type

Shelf Fuse

Amps

Max Number of Doubler

Systems Per Shelf

(60 mA CPE Current ON)

List 1, 2

Max Number of Doubler

Systems Per Shelf (60 mA

CPE Current ON)

List 3, 4, Mini

Max Number of Doubler

Systems Per Shelf (60 mA

CPE Current OFF)

List 1, 2, and 3 Span Line

Powering

Max Number of Doubler

Systems Per Shelf

(60 mA CPE Current OFF)

List 3, 4, Mini

-48 V New Bays
(J98725P, J98725P,
J98725P)

20

13

13

13

13

SXSS (CO) (J98725CA)

10

10

13

13

13

Original 220 Bays
(J98725A, B, C, D, E, F)

3.43

4

5

5

6

Upgraded 220 Bays
(J98725A, B, C, D, E, F)

20

13

13

13

13

SXSS (80D Cabinet)

5

5

7

6

8

Kentrox T-Term 220

10

10

13

13

13

PairGain HCS-417

20

14

14

14

14

Содержание HIGAIN HLU-232

Страница 1: ...MPTION 22 3 LOOPBACK OPERATION 23 4 TESTING 25 5 SYSTEM MAINTENANCE MENU SCREENS 39 C APPLICATIONS USING HIGAIN DOUBLERS 49 1 GENERAL 49 2 POWER CONSUMPTION 49 3 LOOPBACK OPERATION 51 4 TESTING 53 5 S...

Страница 2: ...em uses HDSL transmission technology as recommended by Bellcore TA TSY 001210 The HiGain system complies with TR TSY 000063 Network Equipment Building System NEBS Generic Equipment requirements and TR...

Страница 3: ...per kft 26 0 4mm 3 88 83 24 0 51mm 2 84 52 22 0 61mm 2 18 32 19 0 91mm 1 54 16 2 04 The HiGain system operates with any number of other T1 POTS Digital Data Service DDS or other HiGain systems sharing...

Страница 4: ...Revision 01 Page 4 XMT XMT REC REC PROTECT PRIMARY PROTECT PRIMARY HIGAIN 1 x 1 PROTECTION SWITCH HLU 232 HLU 232 HRU 412 HRU 412 HRE 422 HSA 232 PROTECT PRIMARY CONTROL CONTROL protsw Figure 2 HiGain...

Страница 5: ...s data streams The data streams contain HDSL frames that are nominally 4704 bits 6 milliseconds in length The HDSL frames contain a 14 bit Frame Sync Word FSW 6 bit Cyclic Redundancy Check CRC 21 bit...

Страница 6: ...V 1 R C V 2 R IN G 1 R IN G 2 TIP2 SPAN SPAN XM T D S X 1 BRG BRG MUX DEMUX PRE EQUALIZER SELECT T1 FRAMER M ODE SEL 130V to 200V POW ER SUPPLY ISOLATED 12 14 ALR M 21 RTERM 19 17 Figure 3 HLU 232 Lis...

Страница 7: ...y converts the 48V battery to a 130V dc no doublers to 200V dc doublers feed that provides simplex power feed on the two HDSL line interfaces The line power supply can be turned on or off by the micro...

Страница 8: ...1 input signal ALRM TLOS The DS1 input to the HRU whose TLOS switch option has been enabled is not present LOS ALRM H1 2 ES HDSL Loop 1 or Loop 2 has exceeded the 24 hour user selected Errored Seconds...

Страница 9: ...NE for the ESAL system option See Section 8 for System Settings information The MAL1 2 alarm can be disabled by setting the margin alarm threshold to 0 A minor alarm can be retired by executing the Al...

Страница 10: ...the ALRM message is still displayed 4 05 Pin 32 on the HSA 232 FUSEALARM Figure 5 is driven to 48 V and the front panel STATUS LED turns red whenever the on board fuse installed on the HLU 232 opens...

Страница 11: ...lay returns to its normal mode The display also returns to its normal mode without installing any new changes if neither button is pressed for 30 seconds 5 04 All 14 user system options and 7 Protecti...

Страница 12: ...margin on HDSL loop 1 MAL1 or loop 2 MAL2 drops below the selected threshold value Since the margin can never drop below 0 choosing 0 for the margin threshold disables the margin alarm function 5 11 T...

Страница 13: ...reason mixed systems will respond differently in each direction for B8ZS inputs when in their AMI mode 5 15 The SELF TEST mode that occurs when both HDSL loops are not in sync has been enhanced to in...

Страница 14: ...17 Activates closes the minor alarm relay contacts on pins 12 14 and flashes the red STATUS LED when 17 Errored Seconds ES 17 HDSL CRC errors on either HDSL loop or a total of 17 BPVs occur within a...

Страница 15: ...minor alarm occurs SAIS ENA Causes the HRU to transmit the AIS signal towards the Customer Interface CI when in NREM or SMJK loopback DIS Causes the List 6 HRU to transmit the signal from the network...

Страница 16: ...itching threshold can be set to one of the four values shown in Table 3 A BER bit error is defined as either an HDSL CRC or FEBE far end bit error in either of the two HDSL loops An HDSL CRC error occ...

Страница 17: ...a lesser degree The single T1 input is connected to both T1 inputs of the two units HLU HRU at each end of the circuit At the HLU the input 100 ohm input impedance switches with the on line unit This...

Страница 18: ...minute 1E 6 Sets the BER threshold to 10 6 47 CRC and or FEBE errors within 1 minute 1E 7 Sets the BER threshold to 10 7 4 7 CRC and or FEBE errors within 1 minute BER Measurement Interval BERI 5 Set...

Страница 19: ...IS when using the Kentrox 220 T Term shelf This is required to resolve a conflict between the HLU alarm relay output and the Kentrox external equalizer output Both use the same pins 20 and 21 HLU 232...

Страница 20: ...1 544 Mbps 200 bps DS1 Line Format AMI B8ZS or ZBTSI DS1 Frame Format SF ESF or unframed Maximum Power Consumption 18 Watts without Doubler 34 Watts with Doubler Maximum Heat Dissipation 7 Watts with...

Страница 21: ...to PairGain for repair Any modifications of the unit by anyone other than an authorized PairGain representative voids the warranty 10 03 If a unit needs repair call PairGain for a Return Material Aut...

Страница 22: ...or open faced natural convection cooled mountings is limited to 120 Watts sq ft per Section 4 2 3 of the NEBS standard TR NWT 000063 The footprint of a standard 13 slot 23 HLU 232 List 1D shelf is 7 0...

Страница 23: ...on with the following additions Query loopback IOR Intelligent Office Repeater power down Three loopback time out choices Initiation from either end Repeater bit error signatures Alternate query loopb...

Страница 24: ...tiates a MANUAL loopback session This session allows the user to SEL one of four HiGain system loopbacks The message MAN LPBK appears on the front panel display followed by the message NLO If the SEL...

Страница 25: ...te power control timer 4 03 If trouble is encountered on the HLU 232 List 1D DSX 1 interface verify that the HLU 232 is properly seated in the HSA 232 adapter and the HSA 232 is properly seated in the...

Страница 26: ...32 100 Revision 01 Page 26 Figure 6 HLU 232 non Doubler Loopback Configurations The most important of the HiGain family of loopback options is the Smart Jack loopback which emulates the functions of a...

Страница 27: ...can be looped up from the remote location CREM by issuing the 6 in 7 in band loop up code at the HRU 412 DS1 input port 8 The HRU 412 can be looped up from the remote location CLOC by issuing the 5 i...

Страница 28: ...ing the frame bit occur in the returned pattern 20 errors if ILR 2 were sent followed by Normal looped data Note that this error pattern will repeat every 20 seconds as long as the IOR loopback patter...

Страница 29: ...5 1110 E 1010 A TIME OUT OVERRIDE Loopback Time out Override 1101 D 0101 5 1101 D 0110 6 FAR END NI ACTIVATE Unblock AIS pass 2 in 5 1100 C 0101 5 0101 5 0100 4 IOR POWER DOWN HLU Removes HDSL line p...

Страница 30: ...bit occur in the returned pattern 20 errors if ILR 2 were sent followed by Normal looped data Note that this error pattern will repeat every 20 seconds as long as the IOR loopback pattern is being sen...

Страница 31: ...5 1110 E 1010 A TIME OUT OVERRIDE Loopback Time out Override 1101 D 0101 5 1101 D 0110 6 FAR END NI ACTIVATE Unblock AIS pass 2 in 5 1100 C 0101 5 0101 5 0100 4 IOR POWER DOWN HLU Removes HDSL line p...

Страница 32: ...ecute all the HiGain loopbacks shown in Figure 6 Note that all code sequences must be present for at least five seconds ABBREVIATIONS USED BELOW LU LoopUp LD LoopDown NI Network Interface CI Customer...

Страница 33: ...des required to execute all the HiGain system loopbacks shown in Figure 6 Note that all code sequences must be present for at least five seconds ABBREVIATIONS USED BELOW LU LoopUp LD LoopDown NI Netwo...

Страница 34: ...c errors including the frame bits occur in the returned pattern 20 errors if ILR 2 were sent followed by Normal looped data Note that this error pattern will repeat every 20 seconds as long as the IOR...

Страница 35: ...BK Alternate Query loopback 1101 D 0101 5 1110 E 1010 A TIME OUT OVERRIDE Loopback Time out Override 1101 D 0101 5 1101 D 0110 6 IOR POWER DOWN HLU Removes HDSL line power 0110 6 0111 7 0110 6 0111 7...

Страница 36: ...gnal 2 The HLU HRU transceivers are trying to establish contact with each other ACQ1 or ACQ2 Acquisition 1 or Acquisition 2 The HLU HRU multiplexers are trying to establish synchronization over each l...

Страница 37: ...e Defines the type of frame pattern being received from the DSX 1 Displayed during System Settings review mode defined above CODE Line Code AMI B8ZS This is the line code that the HLU 232 List 1D is r...

Страница 38: ...shold set by the user MPRO Manual Protect Mode Displayed on Protection HLU only Indicates that the Manual Protect mode has been activated either from a dumb terminal or from the front panel MDIS Manua...

Страница 39: ...to be cleared 5 06 Figure 13 shows the 7 DAY PERFORMANCE HISTORY Screen The Errored Seconds and Unavailable Seconds for both HDSL loops and each of the two DS1 inputs are listed for the current and pr...

Страница 40: ...n AIS all 1s pattern is being transmitted from the remote or local T1 output port MAL1 Margin Alarm 1 The margin on HDSL loop 1 has dropped below the threshold 1 to 15 dB set by the user MAL2 Margin A...

Страница 41: ...MANUAL LOOPBACK buttons HRU 412 front panel button or maintenance terminal Figure 6 NLOC Network Local Loopback Loopback at HLU 232 List 1D local towards network initiated from CO network by IOR code...

Страница 42: ...ge indicate out of tolerance components or excessive temperature drift in critical components HDSL 24 Hour ES Errored Seconds The number of 1 second intervals that contained at least 1 CRC error This...

Страница 43: ...Section 150 232 100 Revision 01 Page 43 Figure 7 HLU 232 List 1D Main Menu for the Primary Line Unit Figure 8 HLU 232 List 1D non Doubler Span Status...

Страница 44: ...Section 150 232 100 Revision 01 Page 44 Figure 9 Set Clock Menu Figure 10 HLU 232 List 1D System Settings Main Menu...

Страница 45: ...Section 150 232 100 Revision 01 Page 45 Figure 11 HLU 232 List 1D non Doubler Loopback Menu Figure 12 HLU 232 List 1D non Doubler Performance Data...

Страница 46: ...Section 150 232 100 Revision 01 Page 46 Figure 13 HLU 232 List 1D non Doubler Performance Data History Figure 14 HLU 232 List 1D non Doubler Alarm History...

Страница 47: ...Section 150 232 100 Revision 01 Page 47 Figure 15 HLU 232 List 1D Main Menu for the Protection Line Unit Figure 16 Protection Switch Configuration Menu for the Protection Line Unit...

Страница 48: ...Section 150 232 100 Revision 01 Page 48 Figure 17 Protection Mode Menu for the Protection Line Unit Figure 18 View Switchover History for the Protection Line Unit...

Страница 49: ...r that is converted into heat within the unit It contributes to the total heat generated and is used to determine the maximum number of shelves per bay that do not exceed the maximum power dissipation...

Страница 50: ...0 52 34 25 9 0 8 5 ON 56 0 0 60 0 43 34 25 9 0 8 5 TABLE 15 HLU 232 LIST 1D HDU 451 LIST 1 2 3 and 4 DEPLOYMENT GUIDELINES Shelf Type Shelf Fuse Amps Max Number of Doubler Systems Per Shelf 60 mA CPE...

Страница 51: ...ction Table 17 complies with that proposed for HDSL systems in the T1 E 1 4 92 recommendation with the following additions Query loopback IOR power down Three loopback time out choices Initiation from...

Страница 52: ...mands when its framing mode is set to UNFR and the in band commands are sent in either an SF or ESF mode The frame bits override the command bits and cause errors in the command sequence These errors...

Страница 53: ...4 minute power control timer 4 03 If trouble is encountered on the HLU 232 List 1D DSX 1 interface verify that the HLU 232 List 1D is properly seated in the HSA 232 adapter and the HSA 232 is properly...

Страница 54: ...SX 1 CI DS 1 NREM HRU 412 AIS AIS NDU1 NDU2 C DU1 HRU 412 SPAN 1 SPAN 2 SPAN 3 SPAN 1 SPAN 2 SPAN 3 AIS HDSL SPAN TLOS LOGIC AIS HDSL SPAN SMJK HRU 412 HDU HDU HRU 412 HRU 412 2 in 5 3 in 7 3 in 6 2 I...

Страница 55: ...the remote location CDU1 by issuing the 4 in 6 loopback in band loop up code at the HRU 412 DS1 input port 10 Doubler 1 can engage loopback from the local location NDU1 by issuing the 2 in 6 loopback...

Страница 56: ...ame bit occur in the returned pattern 10 errors if ILR 1 were sent 20 errors if ILR 2 200 errors if ILR 20 followed by Normal looped data Note that this error pattern will repeat every 20 seconds as l...

Страница 57: ...D 0101 5 1101 D 0101 5 IR ALTERNATE QUERY LPBK Alternate Query loopback 1101 D 0101 5 1110 E 1010 A TIME OUT OVERRIDE Loopback Time out Override 1101 D 0101 5 1101 D 0110 6 FAR END NI ACTIVATE Unblock...

Страница 58: ...bit occur in the returned pattern 10 errors if ILR 1 were sent 20 errors if ILR 2 200 errors if ILR 20 followed by Normal looped data Note that this error pattern will repeat every 20 seconds as long...

Страница 59: ...D 0101 5 1101 D 0101 5 IR ALTERNATE QUERY LPBK Alternate Query loopback 1101 D 0101 5 1110 E 1010 A TIME OUT OVERRIDE Loopback Time out Override 1101 D 0101 5 1101 D 0110 6 FAR END NI ACTIVATE Unblock...

Страница 60: ...BBREVIATIONS USED BELOW LU LoopUp LD LoopDown NI Network Interface CI Customer Interface ESF DL Extended Super Frame Data Link ADDRESSABLE 3 A3LB REPEATER LOOPBACK COMMANDS Position Name Code HLU 232...

Страница 61: ...t least five seconds ABBREVIATIONS USED BELOW LU LoopUp LD LoopDown NI Network Interface CI Customer Interface ESF DL Extended Super Frame Data Link ADDRESSABLE 4 A4LB REPEATER LOOPBACK COMMANDS Posit...

Страница 62: ...ur in the returned pattern 10 errors if ILR 1 were sent 20 errors if ILR 2 200 errors if ILR 20 followed by Normal looped data Note that this error pattern will repeat every 20 seconds as long as the...

Страница 63: ...IR QUERY LPBK Query loopback 1101 D 0101 5 1101 D 0101 5 IR ALTERNATE QUERY LPBK Alternate Query loopback 1101 D 0101 5 1110 E 1010 A TIME OUT OVERRIDE Loopback Time out Override 1101 D 0101 5 1101 D...

Страница 64: ...or 2 of span 3 ACQ1 ACQ2 Acquisition 1 or Acquisition 2 The HLU HRU or 1st Doubler multiplexers are trying to establish synchronization over each of Loops 1 or 2 of span 1 A2L1 A2L2 Acquisition 2 Loo...

Страница 65: ...ng received from the DSX 1 Displayed during System Settings mode defined above CODE Line Code AMI B8ZS This is the line code that the HLU 232 List 1D is receiving at its DSX 1 interface Displayed duri...

Страница 66: ...shold set by the user MPRO Manual Protect Mode Displayed on Protection HLU only Indicates that the Manual Protect mode has been activated either from a dumb terminal or from the front panel MDIS Manua...

Страница 67: ...is screen 5 06 Figure 28 through Figure 31 show the PERFORMANCE DATA screens for Doubler applications Both the Errored and Unavailable Seconds for both HDSL loops and each T1 input are listed at 15 mi...

Страница 68: ...second Doublers HDU1 HDU2 for two Doubler circuits The SPAN 3 Screen refers to the loops between the second Doubler and the HRU 412 for two Doubler circuits The RS 232 terminal interface at the HRU 4...

Страница 69: ...rgin Alarm 1 The margin on HDSL loop 1 has dropped below the threshold 1 to 15 dB set by the user Setting the threshold to 0 inhibits the margin alarm MAL2 Margin Alarm 2 The margin on HDSL loop 2 has...

Страница 70: ...etwork initiated by IOR code in band loop code or HLU 232 front panel MANUAL LOOPBACK buttons or maintenance terminal Figure 19 HDU2 Network Doubler 2 Loopback Loopback at Doubler 2 towards network in...

Страница 71: ...Hour ES Errored Seconds The number of 1 second intervals that contained at least 1 CRC error This value is a running total of the last 24 Hours HDSL 24 Hour UAS Unavailable Seconds The number of secon...

Страница 72: ...Section 150 232 174 Revision 01 Page 72 Figure 20 HLU 232 List 1D Main Menu for the Primary Line Unit Figure 21 HLU 232 List 1D Status Display Span 1 1 or 2 Doublers...

Страница 73: ...Section 150 232 174 Revision 01 Page 73 Figure 22 HLU 232 List 1D Status Display Span 2 1 Doubler Figure 23 HLU 232 List 1D Status Display Span 2 2 Doublers...

Страница 74: ...Section 150 232 174 Revision 01 Page 74 Figure 24 HLU 232 List 1D Status Display Span 3 2 Doublers Figure 25 HLU 232 List 1D Set Clock Menu...

Страница 75: ...Section 150 232 174 Revision 01 Page 75 Figure 26 HLU 232 List 1D Systems Settings Menu Figure 27 HLU 232 List 1D Doubler Loopback Menu...

Страница 76: ...Section 150 232 174 Revision 01 Page 76 Figure 28 HLU 232 List 1D Performance Data Span 1 1 or 2 Doublers Figure 29 HLU 232 List 1D Performance Data Span 2 1 Doubler...

Страница 77: ...Section 150 232 174 Revision 01 Page 77 Figure 30 HLU 232 List 1D Performance Data Span 2 2 Doublers Figure 31 HLU 232 List 1D Performance Data Span 3 2 Doublers...

Страница 78: ...Section 150 232 174 Revision 01 Page 78 Figure 32 HLU 232 List 1D Performance Data History Span 1 1 or 2 Doublers Figure 33 HLU 232 List 1D Performance Data History Span 2 1 Doubler...

Страница 79: ...Section 150 232 174 Revision 01 Page 79 Figure 34 HLU 232 List 1D Performance Data History Span 2 2 Doublers Figure 35 HLU 232 List 1D Performance Data History Span 3 2 Doublers...

Страница 80: ...Section 150 232 174 Revision 01 Page 80 Figure 36 HLU 232 List 1D Alarm History Span 1 1 or 2 Doublers Figure 37 HLU 232 List 1D Alarm History Span 2 1 or 2 Doublers...

Страница 81: ...Section 150 232 174 Revision 01 Page 81 Figure 38 HLU 232 List 1D Alarm History Span 3 2 Doublers Figure 39 HLU 232 List 1D Main Menu for the Protection Line Unit...

Страница 82: ...Section 150 232 174 Revision 01 Page 82 Figure 40 Protection Switch Configuration Menu Figure 41 Protection Mode Menu...

Страница 83: ...Section 150 232 174 Revision 01 Page 83 Figure 42 View Switchover History Copyright 1996 PairGain Technologies Inc PairGain is a registered trademark and HiGain is a trademark of PairGain Technologies...

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