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Page 157 of 188

ISDN PRI Installation

168

ISL installation for all systems

ISL configurations

The ISDN Signaling Link (ISL) feature operates in two modes (

Figure 39

— Shared mode—One DCH supports PRI with DTI or analog.

— Dedicated mode—In this mode, the DCH supports

only

ISL trunks using

ISDN PRI signaling. The D-channel communicates with the far end
using a dedicated leased line, dial-up modem, or DTI trunk.

It is recommended that leased lines be data conditioned from the Central
Office to ensure the integrity of the ISL configuration.

DCHI switch settings

For ISL functions, use the following switch settings for the J2 port:

— DTE for high speed programming

Note:

For ISL low speed programming, see the DCHI installation

section of this document.

— RS-232 for 19.2 Kbps and below

— HS for speed above 19.2 Kbps

— External clock (in LD 17) provided by modem, ADM, or ASIM,

otherwise DCH runs at 64 Kbps

Summary of Contents for NT5D12

Page 1: ...Class A digital device pursuant to Part 15 of the FCC rules and the radio interference regulations of Industry Canada These limits are designed to provide reasonable protection against harmful interf...

Page 2: ...lease 21B July 1995 Issue 9 00 released as Standard for Generic X11 Release 21A December 1994 Standard Release 8 00 October 31 1993 Standard Release 7 00 August 1 1993 Standard Release 6 00 April 1 19...

Page 3: ...er requirements 10 QPC720 faceplate 11 Cable requirements 11 Carrier interface 13 Echo Canceller interface 13 64 T link version 2 protocol 14 QPC757 DCHI NT6D80 MSDL 15 Power requirements 15 Interface...

Page 4: ...5 PRI circuit card locations 35 Cable requirements 35 Installing the QPC720 PRI 36 Removing the QPC720 PRI 42 PRI installation NT 51 51C 61 61C 43 PRI circuit card locations 43 Cable requirements 43 I...

Page 5: ...the QPC757 DCHI 92 MSDL installation for all systems 93 Installing the MSDL 93 NTD12 Dual port DTI PRI card description and installation 99 NT5D12 Dual port DTI PRI DDP card overview 99 Supported soft...

Page 6: ...erface switches 140 Ring ground switches 141 DCH mode and address select switches 142 Installing the NT5D12 DDP 146 Removing the NT5D12 DDP 148 Configuring the NT5D12 DDP 149 DDCH installation for all...

Page 7: ...NT8D74 Clock Controller to InterGroup cable 174 NT8D75 Clock Controller to Clock Controller cable 174 NT8D79 PRI DTI to Clock Controller cable 174 NT8D83 PRI DTI to I O cable 175 NT8D85 Network to PE...

Page 8: ...Clock controller primary and secondary tracking 21 Figure 6 PRI circuit card QPC720 option settings 24 Figure 7 ST STE 21 21E cabling without Echo Canceller 31 Figure 8 ST STE 21 21E cabling with Ech...

Page 9: ...cabling with Echo Canceller 59 Figure 20 Option switch settings for PRI circuit card 60 Figure 21 Option 81 81C cabling without Echo Canceller 67 Figure 22 81 81C cabling with Echo Canceller 68 Figur...

Page 10: ...re 34 Clock Controller Option 3 135 Figure 35 Clock Controller Option 4 136 Figure 36 Switches Functional Areas 144 Figure 37 Switch Default Settings 145 Figure 38 PRI to Echo Canceller cabling 155 Fi...

Page 11: ...5 Shelf and slot location of QPC720 in ST and option 21 28 Table 6 Transmission equalization switch settings for PRI 29 Table 7 Cable connections and destinations for ST STE 21 21E 30 Table 8 Shelf a...

Page 12: ...70 Table 19 Cable connections and destinations for 81 81C 71 Table 20 Clock Controller shelves and slots 76 Table 21 Clock Controller switch settings for QPC471 vintage A 76 Table 22 Clock Controller...

Page 13: ...ch settings 141 Table 39 DCH mode and address select switch settings 142 Table 40 NTBK51AA daughterboard address select switch settings 143 Table 41 PRI to Echo Canceller pin assignments 153 Table 42...

Page 14: ...uture expansions please consult with your Northern Telecom representative Note 2 Throughout this document Meridian 1 refers to ST STE NT RT and XT as well as system options 21 21E 51 51C 61 61C 71 81...

Page 15: ...option 71 Installing the QPC720 PRI Removing the QPC720 PRI System option 81 81C Installing the QPC720 PRI Removing the QPC720 PRI Clock Controller Installing the QPC471 and 775 Removing the QPC471 a...

Page 16: ...8 X11 release 18 and later References Refer to the following documents for additional information ISDN Primary Rate Interface description and administration 553 2901 100 Software conversion procedures...

Page 17: ...positions for 21 21E 51 51C 61 61C 71 and 81 81C on page 179 and Table 50 Card slot positions for ST STE RT NT XT on page 180 illustrate acceptable positions for the QPC720 QPC414 QPC741 QPC775 QPC757...

Page 18: ...the equipment and procedures needed to install the following ISDN PRI hardware on Meridian 1 systems QPC757 D channel Interface DCHI NT6D80 Multi purpose Serial Data Link MSDL QPC720 Primary Rate Inte...

Page 19: ...cannot be mixed in one system Vintages A through G of the QPC471 Clock Controller can be used in one system vintage H of QPC471 Clock Controllers cannot be mixed with Clock Controllers of other vinta...

Page 20: ...verview Page 7 of 188 ISDN PRI Installation Figure 1 PRI hardware Clock Controller QPC471 or QPC775 PRI QPC720 T1 interface to external digital carrier Network card QPC414 REF1 PRI QPC720 Loop REF2 DC...

Page 21: ...o Circuit card installation and testing 553 3001 211 Channel Service Unit CSU Refer to information received from manufacturer ROM and memory as shown in Table 1 See also Software conversion procedures...

Page 22: ...a DTI QPC757 DCHI or NT6D80 MSDL QMT11 Asynchronous Synchronous Interface Module ASIM QMT21 High Speed Data Module HSDM Meridian Communications Unit X11 release 18 and later Data line card QPC472 DTI...

Page 23: ...ata System CDS 224 Trispeed Series II Anderson Jacobson AJ 2441 1 Racal Vadic 2400 PA QPC720 PRI The QPC720 PRI card is required for PRI operation in all machine types Power requirements The QPC720 PR...

Page 24: ...the types of cable used and the lengths required for external QPC720 PRI connections Note No additional cabling is required for nB D configurations Multiple PRIs and the D channel are associated thro...

Page 25: ...ssion fault RED Yellow alarm remote alarm far end fault YEL Loop back test see PRI tests LBK Network loop cable connector to QPC414 Network Card J3 D channel interface DCHI cable connection to QPC757...

Page 26: ...Digital Link 551A Digital Link 551C Digital Link 551E Tellabs Model 441 Verilink Model 551V ST In the U S A FCC Part 68 regulations require Network Channel Terminating Equipment for example the NT QR...

Page 27: ...nd administration 553 2901 100 for more information about the 64K Clear Data feature Table 3 QPC720 PRI cables and cable lengths Cable type From To Maximum length feet Maximum length meters QCAD130 QP...

Page 28: ...12 volts at 50 milliamperes Interface to PRI The QPC757 DCHI connects to the QPC720 PRI via a RS 422 cable The following signals are transmitted across the interface RCV DATA RCV CLOCK XMIT CLOCK XMI...

Page 29: ...uires QPC757 vintage B or higher A QPC757 vintage C is required if the ISL Revert to Conventional Signaling feature is configured X11 release 15 requires a QPC757 vintage C or later The QPC757 vintage...

Page 30: ...tus LED The DCHI LED indicates the status of both ports on the DCHI card If both ports are configured the LED is lit only when both ports are disabled Asynchronous port D channel interface This port i...

Page 31: ...DL power requirements are MSDL PRI interface MSDL can connect to PRI trunks through RS 422 or RS 232 interfaces The interfaces are switch configurable MSDL faceplate The NT6D80 MSDL as shown in Figure...

Page 32: ...19 of 188 ISDN PRI Installation Figure 4 NT6D80 MSDL faceplate layout AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA NT LED Indicator A A A A A A A A A REL XX NT6D80AA I O Port 0 I O Port...

Page 33: ...The Clock Controllers should be completely locked to the reference clock Free run non tracking mode The clock synchronization for a PRI loop can operate in free run mode if the following conditions ar...

Page 34: ...ock at the far end If the Clock Controller detects a reference clock error the reference clocks are switched Figure 5 Clock controller primary and secondary tracking Clock Controller 1 J3 J1 J2 Clock...

Page 35: ...g on primary 2 If the loop is assigned as the secondary reference clock but the Clock Controller is in free run mode it is restored to tracking on secondary If the 15 minute clock check indicates the...

Page 36: ...ble 4 3 If the PRI links the D channel connect J5 to QPC757 DCHI J2 with a QCAD328A cable You can also connect the PRI to an MSDL card with the cables noted in Table 3 with X11 release 18 and later If...

Page 37: ...ew 553 2901 200 Standard 11 00 August 1996 Figure 6 PRI circuit card QPC720 option settings AA SW2 7 pole SW3 8 pole See transmission equalization switch settings All OFF except for PRI mode see trans...

Page 38: ...DTI with ESF SW3 1 on extended superframe format ESP off superframe format SF Note 1 All positions on S2 location B22 are OFF except as shown under the column labeled Switch S2 settings Note 2 The swi...

Page 39: ...heral Equipment Module Cable requirements Shielded 22 AWG 0 644 mm cable is recommended for connecting the PRI to the cross connect point This cable consists of two shielded twisted pair conductors an...

Page 40: ...ey are not required for other cards see Table 5 2 Unpack and inspect circuit cards 3 Set option switches on the PRI circuit card See Figure 9 and Table 6 4 Install PRI circuit card in the assigned she...

Page 41: ...ngs To repeated facility To cross connect point 5 ON 2 4 6 ON 1 3 7 ON 0 45 m 0 150 ft 46 135 m 151 450 ft 136 225 m 451 750 ft 0 30 m 0 100 ft 31 100 m 101 355 ft 101 200 m 356 655 ft Switch 3 option...

Page 42: ...720 J1 QPC471 QPC775 CC 0 J1 Only when secondary clock source NTND26 QPC720 J5 MSDL NT6D80 X11 release 18 and later QCAD124 NT8D85xx QPC720 J3 Network Run directly to network card QCAD328A QPC720 J5 D...

Page 43: ...card to LD 1 is 750 ft Note 3 QPC720 does not interface with NT8D04 Superloop Network Card QPC720 PRI Card Primary reference J3 QCAD124 or NT8D85xx LOOP J1 J2 J5 D CH REF2 REF1 QCAD130 or NT8D79xx QCA...

Page 44: ...ry Reference QPC471 Clock Controller 0 J3 J1 J2 J2 QCAD128 or QCAD133 or NT8D83xx DS 1 Cross Connect 22 AWG ABAM Cabinet I O Panel Cabinet I O Panel QCAD133 or NT8D97Ax QCAD129 or NT9J93xx RS232 or NT...

Page 45: ...33 of 188 ISDN PRI Installation Figure 9 PRI card QPC720 switch settings AA SW2 7 pole SW3 8 pole See transmission equalization switch settings All OFF except for PRI mode see transmission equalizati...

Page 46: ...rom memory See ISDN Primary Rate Interface description and administration 553 2901 100 4 Determine the location of the circuit cards to be removed 5 Remove cross connections at MDF to wall mounted cro...

Page 47: ...ctors and two shields The transmit and the receive pairs must be individually shielded and enclosed in a polyvinyl jacket This type of cable is commonly referred to as 6 conductor cable T1 cable shiel...

Page 48: ...he assigned shelf and slot 5 Install network QPC414 card if no network loop connection is available 6 If required install I O adapters in I O panel 7 Run and connect the PRI cables Figures 10 and 11 s...

Page 49: ...on S2 location B22 are OFF except as shown under the column labeled Switch S2 settings Note 2 The switch 3 option for DTI with ESF applies to only X11 release 16 17 and 18 All other positions on the...

Page 50: ...QPC720 J3 Network Run directly to network card QCAD328A QPC720 J5 DCHI J2 Run directly to DCHI card QCAD133 NT8D83xx I O Panel Patch panel Run via cabinet I O panel to CSU Echo Canceller or cross conn...

Page 51: ...1 is 750 ft Note 3 QPC720 does not interface with NT8D04 Superloop Network Card QPC720 PRI Card Primary reference J3 QCAD124 or NT8D85xx LOOP J1 J2 J5 D CH REF2 REF1 QCAD130 or NT8D79xx QCAD130 or NT8...

Page 52: ...e QPC471 Clock Controller 0 J3 J1 J2 J2 QCAD128 or QCAD133 or NT8D83xx DS 1 Cross Connect 22 AWG ABAM Cabinet I O Panel Cabinet I O Panel QCAD133 or NT8D97Ax QCAD129 or NT9J93xx RS232 or NT8D89Ax T1 R...

Page 53: ...188 ISDN PRI Installation Figure 12 PRI card QPC720 switch settings AA SW2 7 pole SW3 8 pole See transmission equalization switch settings All OFF except for PRI mode see transmission equalization sw...

Page 54: ...DN Primary Rate Interface description and administration 553 2901 100 4 Determine the location of the circuit cards to be removed 5 Remove cross connections at MDF to wall mounted cross connect termin...

Page 55: ...ting the PRI to the cross connect point This cable consists of two shielded twisted pair conductors and two shields The transmit and the receive pairs must be individually shielded and enclosed in a p...

Page 56: ...LH QSD40 Network RH QSD39 DTI PRI only QSD40 DTI PRI only 5 10 Note 1 5 10 Notes 1 2 2 10 Notes 1 4 12 14 2 3 Note 1 5 13 61 61C NT6D39 CPU NET NT8D35 DTI Exp Cube NT8D47 RPE Cube 3 8 Note 1 18 Note...

Page 57: ...red install I O adapters in I O panel 7 Run and connect the PRI cables See Figures 13 and 14 Figures 15 and 16 show the NT 51 51C 61 61C PRI cabling Refer also to Table 13 8 If required install connec...

Page 58: ...administration 553 2901 100 4 Determine the location of the circuit cards to be removed 5 Remove cross connections at MDF to wall mounted cross connect terminal 6 Disconnect PRI cables at Echo Cancel...

Page 59: ...SW3 1 ON OFF extended superframe format ESF superframe format SF SW3 2 ON OFF B8ZS line encoding required for 64K clear option AM1 line encoding SW3 3 ON OFF facility data link FDL yellow alarm metho...

Page 60: ...nly when primary clock source QCAD130 NT8D79xx QPC720 J2 QPC471 QPC775 CC 1 J1 Only when secondary clock source QCAD125 NT8D75xx QPC471 QPC775 CC 0 J3 QPC471 QPC775 CC 1 J3 Clock controller back up QC...

Page 61: ...card to LD 1 is 750 ft Note 3 QPC720 does not interface with NT8D04 Superloop Network Card QPC720 PRI Card Primary reference J3 QCAD124 or NT8D85xx LOOP J1 J2 J5 D CH REF2 REF1 QCAD130 or NT8D79xx QCA...

Page 62: ...ry Reference QPC471 Clock Controller 0 J3 J1 J2 J2 QCAD128 or QCAD133 or NT8D83xx DS 1 Cross Connect 22 AWG ABAM Cabinet I O Panel Cabinet I O Panel QCAD133 or NT8D97Ax QCAD129 or NT9J93xx RS232 or NT...

Page 63: ...PRI or NT8D79xx QPC471 Clock Controller 1 QPC471 Clock Controller 0 J3 J3 J1 J1 J2 J2 QCAD328A QPC757 or NT6D80 J2 QCAD130 to PRI or NT8D79xx QCAD125 or NT8D75xx QCAD128 or QCAD133 or NT8D83xx Cabine...

Page 64: ...ler 1 QPC471 Clock Controller 0 J3 J3 J1 J1 J2 J2 QCAD328A QPC757 or NT6D80 J2 QCAD128 or QCAD133 or NT8D83xx DS 1 Cross Connect 22 AWG ABAM LD 1 Note 2 Cabinet I O Panel Cabinet I O Panel QCAD133 or...

Page 65: ...e 53 of 188 ISDN PRI Installation Figure 17 PRI card QPC720 switch settings AA SW2 7 pole SW3 8 pole See transmission equalization switch settings All OFF except for PRI mode see transmission equaliza...

Page 66: ...cross connect point This cable consists of two shielded twisted pair conductors and two shields The transmit and the receive pairs must be individually shielded and enclosed in a polyvinyl jacket Thi...

Page 67: ...D45 Mass Storage QCA 23 24 CAB 5 10 Note 1 5 10 Notes 1 2 2 10 Notes 1 3 12 14 2 3 Note 1 5 13 2 8 Notes 1 4 5 10 Notes 1 4 71 NT8D35 CPU NET NT8D35 DTI Exp Cube NT8D47 RPE Cube 5 10 Note 1 13 14 2 3...

Page 68: ...PRI cabling Refer also to Table 16 Note No additional cabling is required for multiple PRIs The D channel is associated through software in LD 17 prompt PRI 8 If required install connecting blocks at...

Page 69: ...o PRI Card Secondary reference QPC471 Clock Controller 1 QPC471 Clock Controller 0 QPC417 Junctor QCAD110 QCAD110 J3 J3 SCG0 SCG1 J1 J1 J2 J2 J2 QCAD128 or QCAD133 or NT8D83xx Cabinet I O Panel QCAD13...

Page 70: ...NT9J93Ax RS232 or NT8D89Ax T1 RS232 Echo Canceller Note 1 LD 1 Note 2 Central Office J3 J3 SCG0 SCG1 J1 J1 J2 J2 J2 DS 1 Cross Connect 553 1394 200 71 XT Note 1 Maximum cable distance from PRI card to...

Page 71: ...200 Standard 11 00 August 1996 Figure 20 Option switch settings for PRI circuit card AA SW2 7 pole SW3 8 pole See transmission equalization switch settings All OFF except for PRI mode see transmission...

Page 72: ...ns on S2 location B22 are OFF except as shown under the column labeled Switch S2 settings Note 2 The switch 3 option for DTI with ESF applies to only X11 release 16 17 and 18 All other positions on th...

Page 73: ...1 QCP775 CC 0 2 QCAD130 NT8D79xx QPC720 J2 QPC471 QCP775 CC 1 1 QCAD130 NT8D79xx QPC720 J2 QPC471 QCP775 CC 1 2 QCAD110 NT8D74xx QPC471 QCP775 CC 0 J3 QPC417 JCTR J11 3 QCAD110 NT8D74xx QPC471 QCP775...

Page 74: ...ly when secondary clock source Note 3 Multi group junctor board connection Note 4 Run to connector on network pack Note 5 Run directly to DCHI card Note 6 Run by means of cabinet I O panel to CSU Echo...

Page 75: ...N Primary Rate Interface description and administration 553 2901 100 4 Determine the location of the circuit cards to be removed 5 Remove cross connections at MDF to wall mounted cross connect termina...

Page 76: ...ing the PRI to the cross connect point This cable consists of two shielded twisted pair conductors and two shields The transmit and the receive pairs must be individually shielded and enclosed in a po...

Page 77: ...rk loop connection is available 6 If required install I O adapters in I O panel 7 Run and connect the PRI cables Figures 21 and 22 show the 81 81C PRI cabling Refer also to Table 19 8 If required inst...

Page 78: ...Card Secondary reference QPC471 Clock Controller 1 QPC471 Clock Controller 0 QPC417 Junctor QCAD110 QCAD110 J3 J3 SCG0 SCG1 J1 J1 J2 J2 J2 QCAD128 or QCAD133 or NT8D83xx Cabinet I O Panel QCAD133 or N...

Page 79: ...QCAD129 or NT9J93Ax RS232 or NT8D89Ax T1 RS232 Echo Canceller Note 1 LD 1 Note 2 Central Office J3 J3 SCG0 SCG1 J1 J1 J2 J2 J2 DS 1 Cross Connect 553 1394 200 81 Note 1 Maximum cable distance from PRI...

Page 80: ...ISDN PRI Installation Figure 23 Option switch settings for PRI circuit card AA SW2 7 pole SW3 8 pole See transmission equalization switch settings All OFF except for PRI mode see transmission equaliz...

Page 81: ...l positions on S2 location B22 are OFF except as shown under the column labeled Switch S2 settings Note 2 The switch 3 option for DTI with ESF applies to only X11 release 16 17 and 18 All other positi...

Page 82: ...1 QCP775 CC 1 Only when primary clock source QCAD130 NT8D79xx QPC720 J2 QPC471 QCP775 CC 1 Only when secondary clock source QCAD110 NT8D74xx QPC471 QCP775 CC 0 J3 QPC417 JCTR J11 Multi group junctor b...

Page 83: ...Panel Echo Canceller RS 232 QPC720 J6 Echo Canceller Run via cabinet I O panel to Echo Canceller or cross connect terminal from non shielded system QCAD133 NT8D83xx QPC720 J4 Patch Panel Run via cabi...

Page 84: ...ry Rate Interface description and administration 553 2901 100 4 Determine the location of the circuit cards to be removed 5 Remove cross connections at MDF to wall mounted cross connect terminal 6 Dis...

Page 85: ...he location of the Clock Controller card shelf and slot 2 Setting the switches on the card 3 Inserting the card and connecting the cables This step may also entail removing an old card This chapter de...

Page 86: ...23 and 24 The first three tables display the settings for different vintages of the QPC471 Table 24 shows the settings for the QPC775 Table 20 Clock Controller shelves and slots System Shelf Slot s ST...

Page 87: ...itch settings for QPC471 vintages B through G System Switch Setting ST STE 21 21A 21E SW1 SW2 Jumper Plug J1 Jumper Plug J2 ON OFF TP8 9 TP11 TP12 NT RT 51 61 SW1 SW2 Jumper Plug J1 Jumper Plug J2 ON...

Page 88: ...ween the J3 faceplate connectors 0 4 3 m 0 14 ft off off 4 6 6 1m 15 50 ft off on 6 4 10 1m 21 33 ft on off 10 4 15 2 m 34 50 ft on on If there is only one Clock Controller card in the system set to O...

Page 89: ...irst enabled is in free run mode It stays in this mode for several minutes before being switched to tracking mode Manual mode setting is possible via LD 60 For the earlier QPC471 vintages up to 20 min...

Page 90: ...ng an existing card do the following Perform a status check on the clock with the SSCK command in LD 60 The new controller should have the same status Disable the old card using LD 60 Note ERR20 messa...

Page 91: ...1 5 Set the faceplate ENL DIS switch to ENL enable 6 Enable the Clock Controller by entering ENL CCx in LD 60 7 Set the error detection thresholds and clock synchronization control in LD 73 Optional i...

Page 92: ...be ignored However excessive clock switching should be avoided especially when counters are near the maintenance or out of service thresholds Excessive switching could generate threshold exceeded mes...

Page 93: ...ceplate ENL DIS switch to ENL 8 Enable the Clock Controller by entering ENL CC x in LD 60 9 Set the error detection thresholds and clock synchronization controls in LD 73 Optional with card replacemen...

Page 94: ...ommand in LD 60 Note ERR 020 messages may be generated ignore them To avoid exceeding maintenance or out of service thresholds reset the error counters LCNT for PRIs providing a reference clock for th...

Page 95: ...n thresholds and clock synchronization controls in LD 73 Optional if replacing card required with new installation 9 To track on a primary or secondary reference clock use LD 60 The command follows 10...

Page 96: ...he same for the ST STE RT NT and XT as well as the 21 21E 51 51C 61 61C 71 and 81 81C See Figures 24 and 25 for option switch settings per port number of the DCHI card in Primary Rate Interface Refer...

Page 97: ...es 2 Unpack and inspect card 3 Set option switches and jumper plugs on the DCHI card For PRI capability set port J2 to odd For ISL capability set port J2 for high speed or low speed programming 4 Set...

Page 98: ...and RS 422 options required for the D channel A A AA AARS 232 DCE HS RS 422 DTE A A AA AARS 232 DCE HS RS 422 DTE RS 232 DCE A AAHS RS 422 DTE RS 232 DCE A AAHS RS 422 DTE jumper on Meridian 1 I O po...

Page 99: ...f On Off On Off On Port Number J1 J2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Switch 4 Off Off Off Off Off Off Off Off QPC757C DCHI 1234 on Jumpers for port J1 the async port The port is always the lower...

Page 100: ...ch D channel Interface DCHI circuit card upon SYSLOAD When this occurs the D channel is temporarily disabled and then automatically reenabled Three situations require manual disabling and reenabling o...

Page 101: ...prevent initialization 3 Disable loop in LD 60 4 If the circuit card is being removed not replaced remove data from memory See the ISDN Primary Rate Interface description and administration 553 2901...

Page 102: ...s See Figure 26 and Table 25 for the port and interface switch settings The MSDL card can go into the following slots Refer to X11 input output guide 553 3001 400 and Multi purpose Serial Data Link de...

Page 103: ...ree times and stays on continuously the MSDL is operating correctly but is not yet enabled If the LED turns on and stays on continuously without flashing three times the card may be defective Go to st...

Page 104: ...card layout 553 5431 AA AA S9 S10 A A A A AA AA Ones Tens A A A AA AA A A AA AA A A AA AA A A AA AA A AA Port 0 Port 1 Port 2 Port 3 Monitor Port LED S1 S2 S3 S4 S5 S6 S7 S8 ON ON ON ON ON ON ON ON C...

Page 105: ...off off RS 422 A DTE off off off off off off off off on on on on on on on on on on RS 422 A DCE on on on on on on on on off off off off off off off off off off Port 2 SW2 Port 2 SW6 RS 232 D off off o...

Page 106: ...late If it turns on flashes three times and stays on continuously the MSDL is operating correctly but is not yet enabled If the LED turns on and stays on continuously without flashing three times the...

Page 107: ...al D Channel Handler the QPC757 D Channel Handler Interface DCHI or NT6D80 Multi purpose Serial Data Link MSDL and an optional plug on NTBK51AA Downloadable D Channel daughterboard DDCH The NT5D12 DDP...

Page 108: ...le 26 Supported software releases on the NT5D12 Note The MSDL and NTBK51AA DDCH are compatible with Generic X11 Release 18 and later software Software Release Trunk Type Signalling DTI Dual Pulse DTI...

Page 109: ...wer NTBK51BA version has only 30 30 pin connectors instead of 40 30 pins in the AA version The missing 10 pins in the BA version prohibits usage of port 0 on the DDP card The NTBK51AA can support a ma...

Page 110: ...etween the DDP card and the DCHI or MSDL is via a 26 pin female D type connector The data signals conform to the electrical characteristics of the EIA standard RS 422 Two control signals are used to c...

Page 111: ...rate selected at 64 Kbps or 56 Kbps or 64 Kbps inverted and PRI loop is enabled and PRI link is not in RED alarm mode state and PRI link is not transmitting a yellow alarm pattern and PRI link is not...

Page 112: ...lustrate the faceplate layout for the DDP card The faceplate contains an enable disable switch a DDCH status LED 6 x 2 trunk port status LEDs and six external connectors Table 28 shows the name of eac...

Page 113: ...on and installation Page 105 of 188 ISDN PRI Installation Figure 27 NT5D12 faceplate general view Dual PRI Rlse 01 NT5D12AA OOS DIS DCH p0 p1 J6 clk0 DCH Enb Dis Trk J5 RED ACT YEL LBK clk1 clk0 Port...

Page 114: ...Trunk Port Disable LED Trunk Port Active LED Red Alarm LED Yellow Alarm LED Loop Back LED OOS DIS ACT RED YEL LBK ENB DIS J5 NT5D12 clk0 clk1 clk0 clk1 Recovered Clock0 1 Recovered Clock0 2 Recovered...

Page 115: ...k 0 RJ11 Connector Connects reference clock to Clock Controller card Port 1 Clock 1 RJ11 Connector Connects reference clock to Clock Controller card J5 TRK 9 Pin Female D Connector Two external DS 1 T...

Page 116: ...software Trunk Port Disable LEDs Two red LEDs which indicate if the trunk port 0 and trunk port 1 portion of the card are disabled These LEDs are turned on in the following cases When the enable disab...

Page 117: ...ot be lit Port 0 Clk Connectors Two RJ11 connectors for connecting Digital trunk port 0 recovered clock to primary or secondary reference source on clock controller card 0 Digital trunk port 0 recover...

Page 118: ...ty of 16 addresses Device Addresses or DNUM that may be reserved for DCHI card MSDL card or DDCH card One exception is DNUM 0 which is commonly assigned to the System Monitor No two different D Channe...

Page 119: ...Installation Power requirements Table 29 lists the power requirements for the DDP card Table 29 DDP power requirements Voltage Source Current DDP without NTBK51AA DDP with NTBK51AA 5V Backplane 3A 3...

Page 120: ...agnostics The DDP card supports all current QPC720 testing and maintenance functions through the following procedures Selftest upon power up or reset Signalling test performed in the OVL 30 Loopback t...

Page 121: ...the ANSI TI 403 specification The NT5D12 provides an interface to the 1 5 Mbps external digital line either directly or through an office repeater Line Terminating Unit LTU or Channel Service Unit CSU...

Page 122: ...rthern Telecom publications or supplied by the manufacturer This additional hardware may include one Channel Service Unit CSU or Line Terminating Unit LTU per T1 span one Meridian Communications Unit...

Page 123: ...required for nB D configurations Multiple DDPs and the D channel are associated through software in Overlay 17 Note 2 A detailed discussion of each type of DDP cable listed below will follow New DDP...

Page 124: ...e On the I O panel side this cable is equipped with a monitor bantam plug and a 15 pin D ty e trunk connector mounted on a small PCB There are no bantam plugs on the DDP faceplate Table 30 which follo...

Page 125: ...9 P0J2 9 0 T PRI0RX Trunk 0 Receive Tip Black J5 3 P0J3 3 P0J2 4 0 R PRI0RX Trunk 0 Receive Ring White J5 4 P0J3 11 P0J2 10 0 GND Shield Wire Bare N C Case P0 0 GND Shield Wire Bare N C Case P0 1 T PR...

Page 126: ...panel connecting the 9 pin D type TRK port on the DDP faceplate directly to the Network Channel Terminating Equipment NCTE Table 31 which follows lists the pin attributes for the NT5D17AA cable P5 P0...

Page 127: ...smit Ring Red J5 2 P0 9 0 T PRI0RX Trunk 0 Receive Tip Black J5 3 P0 3 0 R PRI0RX Trunk 0 Receive Ring White J5 4 P0 11 0 GND Shield Wire Bare N C Case P0 0 GND Shield Wire Bare N C Case P0 1 T PRI1TX...

Page 128: ...or Meridian SL 1 systems equipped with an I O filter panel connecting the 15 pin I O filter connector to the 15 pin NCTE connector P1 P2 50 ft Note This cable is only used for Meridian SL 1 systems wi...

Page 129: ...AC 4 0 ft or NTCG03AD 7 ft is a DDP card to Clock Controller cable connecting each of the CLK0 or CLK1 ports on the DDP faceplate to the primary or secondary source ports on Clock Controller card 0 or...

Page 130: ...card to the QPC757 DCHI D Channel Handler card The cable is available in four different sizes NTCK46AA 6 ft DDP to DCHI cable NTCK46AB 18 ft DDP to DCHI cable NTCK46AC 35 ft DDP to DCHI cable NTCK46AD...

Page 131: ...ard to the NT6D80 MSDL card The cable is available in four different sizes NTCK80AA 6 ft DDP to MSDL cable NTCK80AB 18 ft DDP to MSDL cable NTCK80AC 35 ft DDP to MSDL cable NTCK80AD 50 ft DDP to MSDL...

Page 132: ...t position of the various cards Figure 29 shows a typical DDP cabling for a Meridian 1 system Option with an I O panel with the connection between the I O panel and a Network Channel Terminating Equip...

Page 133: ...ridian SL 1 systems with an I O panel Switch Leds NT5D16AA cable NTCK80 cable to MSDL or NTCK46 cable to DCHI I O Panel QCAD133 cable NTCG03 cables NT6D80 MSDL or QPC757 DCHI J5 J6 NCTE QCAD133 cable...

Page 134: ...DDP cabling for Meridian SL 1 systems without an I O panel Switch Leds NT5D17AA cable NTCK80 cable to MSDL or NTCK46 cable to DCHI NTCG03 cables NT6D80 MSDL or QPC757 DCHI clk0 clk1 clk1 J5 clk0 J6 N...

Page 135: ...roller Two DDP loops can operate in tracking mode with one defined as the primary reference source for clock synchronization the other defined as the secondary reference source The secondary reference...

Page 136: ...SL 1 may operate in free run mode if no loop is defined as the primary or secondary clock reference the primary and secondary references are disabled or the primary and secondary references are in loc...

Page 137: ...d in Overlay 60 with the command EREF A DDP loop is disabled when it enters a local alarm condition If the local alarm is cleared the loop is enabled automatically When the loop is enabled clock track...

Page 138: ...d This card can receive references clocks from two sources referred to as the primary and secondary sources These two sources can originate from a PRI DTI etc PRI cards such as the QPC720 are capable...

Page 139: ...Controller options summary CC Option CPU Type Notes Option 1 Single Ref from P0 on Clk0 Ref from P1 on Clk0 Option 2 Dual Ref from P0 on Clk0 Ref from P0 on Clk1 Option 3 Dual Ref from P1 on Clk0 Ref...

Page 140: ...ock source from Port 0 Connector Clk1 provides a Ref 2 clock source from Port 0 Refer to Figure 33 Clock Controller Option 2 Option 3 This option provides a Dual CPU system with 2 references of a cloc...

Page 141: ...nstallation Page 133 of 188 ISDN PRI Installation Figure 32 Clock Controller Option 1 One Reference from each port Primary Ref Secondary Ref Clk 0 CC for CPU Primary Reference DDP Port 0 Secondary Ref...

Page 142: ...es from Port 0 Primary Ref 1 Clk 0 CC for CPU0 Primary Reference DDP 1 Port 0 J1 Sec J2 Pri Clk 1 Port 1 Clk 0 Clk 1 CC for CPU1 J1 Sec J2 Pri Secondary Ref 1 Secondary Ref 2 Primary Ref 2 QPC720 J1 R...

Page 143: ...1 Port 0 J1 Sec J2 Pri Clk 1 Port 1 Clk 0 Clk 1 CC for CPU1 J1 Sec J2 Pri Secondary Ref 1 Secondary Ref 2 Primary Ref 1 Both References from Port 1 J1 Ref 1 J2 Ref 2 Secondary Ref 1 Secondary Ref 2 Cl...

Page 144: ...Standard 11 00 August 1996 Figure 35 Clock Controller Option 4 Both References from both ports Primary Ref 1 Secondary Ref 1 Clk 0 CC for CPU0 Primary Reference DDP Port 0 Secondary Reference J1 Sec J...

Page 145: ...te below CAUTION Some installed based systems may have a Bus Terminating Unit BTU already installed This may interfere with a selected DDP card location In such cases the DDP should be installed in an...

Page 146: ...nected to a peripheral buffer Both cards are in network loop location In this case the QPC414 should not be removed The digital trunk is removed and the DDP card is plugged into one of the two empty s...

Page 147: ...sed for setting of default values of certain parameters The general purpose switches are read by the firmware which sets the default values accordingly The following parameters are being set by the DI...

Page 148: ...on for T1 transmission Table 35 Trunk interface transmission mode switch settings Line Build Out A per trunk set of three switches provides selection between 0 7 5 or 15 dB values Table 36 Trunk inter...

Page 149: ...selects which Ring lines are connected to ground Table 38 Ring ground switch settings Description S8 S14 Switch Setting 75 OFF OFF ON OFF 100 ON OFF OFF ON 120 OFF OFF OFF ON Switch Description S2 Sw...

Page 150: ...AA D Channel daughterboard and an external MSDL DCHI card In case of an on board NTBK51AA D Channel daughterboard four of the switches provide the daughterboard address Table 39 DCH mode and address s...

Page 151: ...FF 5 ON OFF ON OFF 6 OFF ON ON OFF 7 ON ON ON OFF 8 OFF OFF OFF ON 9 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON Note 1 The maximum n...

Page 152: ...11 00 August 1996 Figure 36 Switches Functional Areas Switches Functions and Areas J5 J6 Port 0 Port 1 S3 S2 S4 S5 S6 S7 S8 S9 1 2 3 4 1 2 3 4 1 2 3 4 General Purpose Switches Receiver Impedence Line...

Page 153: ...scription and installation Page 145 of 188 ISDN PRI Installation Figure 37 Switch Default Settings Switch Default Setting J5 J6 S2 S9 S8 S7 S6 S5 S4 S10 S11 S12 S13 S14 S15 S3 o n o n o n o n 1 2 3 4...

Page 154: ...t BTU already installed This may interfere with a selected DDP card location In such cases the DDP should be installed in an alternate network bus card slot location 2 Unpack and inspect circuit cards...

Page 155: ...outed around the outside of the equipment shelves 9 If required install connecting blocks at MDF or wall mounted cross connect terminal 10 If required designate connecting blocks at MDF or wall mounte...

Page 156: ...PRI loops are disabled first 3 If the DDP card is being completely removed not replaced remove data from memory See the ISDN PRI Description and Administration NTP 553 2901 100 4 Remove cross connecti...

Page 157: ...ts to be defined for the NT6D80 MSDL The DDCH NTBK51AA card has only two ports 0 and 1 therefore ports 2 and 3 must not be defined when using the NTBK51AA Port 0 of the NTBK51AA can only be defined to...

Page 158: ...Planning Guide 553 3001 153 document and follow the instructions Bring spares of all cables and boards Remember that test procedures require a 24 hour minimum bit error rate testing before being used...

Page 159: ...annel should not be connected to J6 If a DDCH is present the LED DCH will light up CAUTION The static discharge bracelet located inside the cabinet must be worn before handling circuit cards Failure t...

Page 160: ...61C 71 and 81 81C and Meridian SL 1 STE RT XT and NT systems CAUTION The static discharge bracelet located inside the cabinet must be worn before handling circuit cards Failure to wear the bracelet ca...

Page 161: ...d by an RS 232 port on the QPC720 PRI circuit card The following tables give the Echo Canceller pin assignments operating parameters and initialization procedures See Figure 38 for PRI to Echo Cancell...

Page 162: ...mplish this the SDI cables must exit the cabinet through EMI filters on the I O panel This procedure depends on the Meridian 1 cabinet type Table 42 Echo Canceller operating parameters Data transfer r...

Page 163: ...20 PRI I O Filter Cross Connect Block Echo Canceller NCTE if reqd Network XTIP XRING GRD Shield RTIP RRING GRD Shield If equipped 3 2 8 20 7 5 4 I O Filter RS232 Jack J6 QCAD129 Cable Optional Cross C...

Page 164: ...end using a dedicated leased line dial up modem or DTI trunk It is recommended that leased lines be data conditioned from the Central Office to ensure the integrity of the ISL configuration DCHI switc...

Page 165: ...mber J1 J2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Switch 4 Off Off Off Off Off Off Off Off QPC757C DCHI 1234 on Jumpers for port J1 the async port The port is always the lower even number Place jumper...

Page 166: ...runs at 64 Kbps Figure 40 MSDL ISL settings S9 S10 Ones Tens Port 0 Port 1 Port 2 Port 3 Monitor Port LED S1 S2 S3 S4 S5 S6 S7 S8 ON ON ON ON ON ON ON ON Care Locking Device Card Address Select Switch...

Page 167: ...ame as the ISDN PRI D channel See Figure 41 Shared mode is established through service change in LD 17 prompt USR with the response SHA In the shared mode the DCH can share signaling for no more than...

Page 168: ...to the far end through the 500 set to tie trunk path To set up the D channel program the modem at one end in the auto dial mode so it automatically initiates a call to the other end at power up The a...

Page 169: ...modem 2400 must be dumb strapped on both modems Then see the Hayes Smartmodem 2400 Getting Started Guide to set up the hardware between the Meridian 1 and the modem Note The Hayes Smartmodem 2400 cann...

Page 170: ...ce On 1 Mark Off 1 frame gnd AA 101 FG 2 tx data BA 103 TxD X 12V 12V 3 rx data BB 104 RxD X 12V 12V 4 req to send CA 105 RTS X 12V 12V 5 clr to send CB 106 CTS X 12V 12V 6 data set rdy CC 107 DSR X 1...

Page 171: ...If the call cannot be established the Meridian 1 continues to dial the hot line number continuously until the call is connected Set the HSDM or ASIM in synchronous mode A data rate of 9 6 Kbps is reco...

Page 172: ...line Note 2 Forced Data Terminal Ready DTR automatically reinitiates a dropped hot line call Figure 44 ISL dedicated mode using PRI DTI trunk Hotline On See Note 1 Forced DTR On See Note 2 FDX full d...

Page 173: ...to originate the hot line Note 2 Forced Data Terminal Ready DTR automatically reinitiates a dropped hot line call ISL installation The following procedures explain the installation for ISL in both de...

Page 174: ...lete the old DTI route A separate Route Data Block should be built for a leased line or for a dedicated modem dialing plan ISL shared mode DTI or PRI should already be up and running 1 In LD 14 remove...

Page 175: ...or ISDN Primary Rate Interface PRI applications QCAD128 NT8D83xx This cable transports the T1 signal from the PRI pack to the I O panel See Table 45 Standard length 10 ft 3 05 m Construction 15 conduc...

Page 176: ...1 XTIP transmit tip to telephone company P1 2 P2 2 GND ground P1 3 P2 3 RTIP receive tip from telephone company P1 4 P2 4 GND ground P1 5 P2 5 P1 6 P2 6 P1 7 P2 7 P1 8 P2 8 P1 9 P2 9 XRING transmit r...

Page 177: ...m Construction 22 AWG 0 644 mm stranded P1 Connector 15 pin male subminiature D with jack screws P2 Connector 25 pin male subminiature D with jack screws Table 46 QCAD129 NT9J93xx wire list PRI signal...

Page 178: ...ace Standard length 50 ft 15 3 m Construction Individually foil shielded twisted pairs 24 AWG 0 511 mm stranded P1 Connector 15 pin female subminiature D with jack screws P2 Connector 15 pin male subm...

Page 179: ...48 QCAD328A 6 ft 1 8 m QCAD328B 18 ft 5 5 m QCAD328C 35 ft 10 67 m QCAD328D 50 ft 15 24 m Construction 24 AWG 0 511 mm stranded P1 Connector 25 pin male subminiature D P2 Connector 15 pin male submini...

Page 180: ...connects QPC471 Clock Controller cards This cable is available in the following lengths NT8D79 PRI DTI to Clock Controller cable This cable connects the PRI DTI card to the QPC471 Clock Controller car...

Page 181: ...Network card to PRI DTI card QPC414 Network card to QPC659 Dual Loop Peripheral Buffer card for internal cabling only QPC659 Dual Loop Peripheral Buffer card to QPC659 Dual Loop Peripheral Buffer car...

Page 182: ...ollowing lengths NT8D97AX PRI DTI I O to MDF cable This cable connects the PRI DTI card to the MDF through the I O connector panel It is 15 2 m 50 ft long NT9J93AD PRI DTI Echo Canceller to I O cable...

Page 183: ...ge 177 of 188 ISDN PRI Installation NTND27 MSDL to I O panel cables These cables connect the MSDL card to the I O panel NTND98 PRI to I O panel cables These cables connect the PRI card to the I O pane...

Page 184: ...61C 71 and 81 81C 21 21E 51 51C 61 61C 71 81 81C QPC414 1 slot CE PE 4 9 Net CE PE 4 9 Net CPU Net 1 8 Net 5 12 Net 5 12 QPC720 2 slots CE PE 4 8 Net RPE 1 11 12 CE PE 4 8 Net RPE 1 11 12 CPU Net 3 8...

Page 185: ...SD39 3 10 QSD40 5 12 QPC720 2 slots CE 5 12 QSD73 2 9 CE 5 12 QSD73 2 9 QSD76 5 10 QSD73 2 9 QSD39 5 10 QSD40 5 10 QSD39 5 10 QSD40 5 10 QPC471 QPC775 1 slot per CPU CE 5 12 CE 5 12 QSD76 13 Shelf 0 Q...

Page 186: ...uant to Part 15 of the FCC rules and the radio interference regulations of Industry Canada These limits are designed to provide reasonable protection against harmful interference when the equipment is...

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