See
Software Input/Output Reference — Administration
(NN43001-611) for LD 97 service
change instructions.
Table 53: OPS analog line card - cable loop resistance and loss
Cable length
Cable loop loss (dB) (non-loaded
at 1kHz)
Cable loop resistance (ohms)
26 AWG
24 AWG
22 AWG
26 AWG
24 AWG
22 AWG
847 m (2800 ft) 1.5
1.2
0.9
231.4
144.2
90
1411 m (4600
ft)
2.5
2
1.6
385.6
240.3
150
1694 m (5600
ft)
3
2.4
1.9
462.8
288.3
180
2541 m (8300
ft)
4.5
3.7
2.8
694.2
432.5
270
8469 m (27800
ft)
15
12.2
9.4
2313.9
1441.7
900
Electrical specifications
This section lists the electrical characteristics of the NT1R20 OPS analog line card.
Circuit power
The +8.5 V DC input is regulated down to +5 V DC for use by the digital logic circuits. All other
power to the card is used by the line interface circuits.
The ±15.0 V DC inputs to the card are used to power the analog circuits. The +5 V DC from
the module power supply is used for the analog hybrid. The –48.0 V DC input is for the
telephone battery. Ringing power for telephones is 86 Vrms AC at 20 Hz on –48 V DC. The
Rsync signal is used to switch the 20 Hz ringing on and off at the zero cross-over point to
lengthen the life of the switching circuits.
Analog line interface
Table 54: OPS analog line card - electrical characteristics
on page 126 lists the electrical
characteristics of NT1R20 OPS analog line card line interface units.
Electrical specifications
Circuit Card Reference
July 2011 125
Содержание 1000 Series
Страница 1: ...Circuit Card Reference Nortel Communication Server 1000 7 0 NN43001 311 04 04 July 2011 ...
Страница 20: ...20 Circuit Card Reference July 2011 ...
Страница 30: ...Introduction 30 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 116: ...Option settings 116 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 140: ...NT1R20 Off Premise Station Analog Line card 140 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 143: ...Figure 25 CP PIV card front Physical description Circuit Card Reference July 2011 143 ...
Страница 148: ...NT4N39AA CP Pentium IV Card 148 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 244: ...NT5D33 and NT5D34 Lineside E1 Interface cards 244 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 252: ...NT5D60 80 81 CLASS Modem card XCMC 252 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 269: ...Figure 79 DDP2 cable for systems with an I O panel Physical description Circuit Card Reference July 2011 269 ...
Страница 287: ...Figure 86 Clock Controller Option 3 Operation Circuit Card Reference July 2011 287 ...
Страница 292: ...NT5D97 Dual port DTI2 PRI2 card 292 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 302: ...NT5K21 XMFC MFE card 302 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 346: ...NT6D80 MSDL card 346 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 353: ...Figure 96 NTDK16 DLC Functional description Circuit Card Reference July 2011 353 ...
Страница 361: ...Figure 98 Digital line card jumper block and switch locations Configuration Circuit Card Reference July 2011 361 ...
Страница 362: ...NT8D02 and NTDK16 Digital Line cards 362 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 378: ...NT8D09 Analog Message Waiting Line card 378 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 393: ...Figure 111 Ground start call states outgoing call to CO FX WATS Operation Circuit Card Reference July 2011 393 ...
Страница 461: ...Figure 147 Paging trunk operation Applications Circuit Card Reference July 2011 461 ...
Страница 462: ...NT8D15 E and M Trunk card 462 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 500: ...NTAK09 1 5 Mb DTI PRI card 500 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 512: ...NTAK10 2 0 Mb DTI card 512 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 534: ...NTAK79 2 0 Mb PRI card 534 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 550: ...NTBK22 MISP card 550 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 560: ...NTBK50 2 0 Mb PRI card 560 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 566: ...NTBK51 Downloadable D channel Handler daughterboard 566 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 584: ...NTCK16 Generic Central Office Trunk cards 584 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 595: ...Figure 165 MGC block diagram Introduction Circuit Card Reference July 2011 595 ...
Страница 616: ...NTDW56 and NTDW59 Common Processor Media Gateway card 616 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 642: ...NTDW61 and NTDW66 Common Processor Pentium Mobile Card 642 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 662: ...NTRB21 DTI PRI DCH TMDI card 662 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 668: ...NTVQ01xx Media Card 668 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 676: ...NTC314AAE6 Media Gateway utility card 676 Circuit Card Reference July 2011 Comments infodev avaya com ...
Страница 700: ......