Jumpering a New Line
Providing a new line usually
involves two jumpers, though
some small exchanges may only
require an MDF jumper.
This page deals with jumpering in
a UAX13 but other exchanges will
be similar
Before jumpering a new line, in many exchanges it is necessary first to disconnect
the NU tone jumpers from the "spare“ line number on the "multiple" side of the IDF.
Rearranging the NU tone jumpers and strapping is usually very tedious.
More modern exchanges have final selectors that can return NU tone should the
multiple number be left disconnected. In this case much time is saved.
1
In a UAX13, two jumpers have to be
provided on the frames to connect up a
new line.
1) A two wire MDF jumper between the
cable pair serving the line and the
protector serving the required multiple
number.
2) A three wire jumper is provided on the
IDF to connect the multiple number to
the required linefinder outlet.
Record cards have to be updated within the exchange.
1) The MDF jumper is recorded on the A606 card which is in number order. Note that the
DP cards will also have to be completed so that the full routing is available.
2) The IDF jumper is recorded on the A737 card, which is in number order and the A736
card which is in linefinder bank outlet order.
On the DFR these records are also kept as Excel spreadsheets and so details of changes
to the records need to be advised to the Recorder. Prints of the spreadsheets are made
available for use in the exchange. The spreadsheets are also available on the telecoms
website so that S&T can have up to date access to them.
2
Norchard MDF Terminating Record - A606
Circuit
MDF
bar & pr
Final DP
No & pr
Circuit Details
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
B159
B97
B21
C42
B36
C18
B62
12/2
07-Jul
3C/1
15/2
Y17/Y18
14/18
2A/6
500 Peter Adams Wagon
501 Shop POS machine
502 Café
503 Office
504 Middle Forge Junction
505 New Booking Office
506 Electrical Group
C43
15/3
510 Office
B79
B25
B77
B96
1/11
3C/5
1/13
7/6
512 On wall o/s shop
513 C&W Van
514 Severn & Wye Room
515 Test line at Shop Master S/Os
B5
9/5
C41
B33
B72
15/1
3JH/14 V1
1/20
519 Museum Office
521 Office
522 Town Crossing & Station
523 Shop
sheet 1
Circuit Details
Circuit
MDF
bar & pr
Final DP
No & pr
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
B38
3M/1 3N/1
B6
B67
B39
2/1
2/3
Z2
B30
B127
B37
3B/1
intl
3G/6
531 Hi Level Platform
532 S/O on Power Rack (A2 ord)
533 Goatfield
B30
3D/2
535 Bolley's Box
B20
3B/1
540 Waiting Room
525 St Mary's halt
527 Workshop
528 Loco Dept Mess
529 Norchard Signal Box
allocated for S&T group
B40
3P/9
546 Lydney Junc Sig Box
B49
5A/7
548 Norchard Crossing Hut
The A606 is basically a record of the MDF jumpering. It also adds details
of the circuit destination.
3
Norchard IDF Linefinder Record - A737
Circuit
Rack
Level
O/L
Type
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
A2
A2
A1
A1
A1
A1
A1
3
4
4
4
8
3
4
7
4
3
4
2
8
8
ord
ord
ord
ord
off site
ord
ord
A1
3
1
ord
A1
A1
A1
A2
3
3
3
4
5
4
6
2
ord
ord
ord
ord
A1
3
10
ord
A1
A1
A1
4
8
5
5
7
2
ord
off site
ord
Circuit
Rack
Level
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
A1
8
sheet 1
O/L
Type
8
off site
A1
A1
A1
5
5
5
10
6
8
ord
ord
ord
A2
A2
A1
6
6
8
2
3
3
ord
ord
off site
A1
6
9
ord
A2
5
2
ord
A1
8
9
off site
A1
4
2
ord
issue date
Circuit
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
16/08/2011
Rack
Level
O/L
Type
A1
A1
A2
8
8
4
5
6
6
off site
off site
A2
3
4
ord
A1
5
10
ord
A1
6
2
ord
Circuit
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
Rack
Level
O/L
Type
A1
6
6
ord
A1
A2
A1
A1
A2
A2
A2
5
6
8
4
3
4
5
9
4
1
10
1
1
3
ord
ord
off site
ord
ord
ord
ord
Incoming only to PA Control relay set
A1
8
10
off site
Incoming only to Test Number
The A737 describes the IDF jumper connecting the multiple number to the line
circuit. This sheet is in numerical order.
4
Norchard Linefinder Record - Bank Order - A736
Rack A1
Rack A2
issue date
O/L
1
2
3
4
5
6
7
8
9
10
Lev 3
No. Type
ord
510
faulty ord
ord
ord
513
ord
512
ord
514
ord
ord
505
ord
ord
519
O/L
1
2
3
4
5
6
7
8
9
10
Lev 4
No. Type
ord
ord
548
ord
502
ord
503
ord
521
faulty ord
ord
ord
506
ord
ord
590
O/L
1
2
3
4
5
6
7
8
9
10
Lev 5
No. Type
ord
ord
523
ord
ord
ord
ord
528
ord
ord
529
ord
587
ord
527
O/L
1
2
3
4
5
6
7
8
9
10
Lev 6
No. Type
ord
ord
569
ord
ord
ord
ord
585
ord
ord
ord
535
ord
565
O/L
1
2
3
4
5
6
7
8
9
10
O/L
1
2
3
4
5
6
7
8
9
10
Lev 3
No. Type
ord
591
ord
ord
ord
556
ord
ord
ord
500
faulty ord
ord
ord
890
O/L
1
2
3
4
5
6
7
8
9
10
Lev 4
No. Type
ord
ord
515
ord
ord
501
ord
ord
553
ord
ord
ord
ord
O/L
1
2
3
4
5
6
7
8
9
10
Lev 5
No. Type
ord
571
ord
540
ord
ord
ord
ord
ord
ord
ord
ord
O/L
1
2
3
4
5
6
7
8
9
10
Lev 6
No. Type
ord
ord
531
ord
532
ord
588
ord
ord
ord
ord
ord
ord
O/L
1
2
3
4
5
6
7
8
9
10
NB
Lev 8
No.
589
504
533
***
551
552
522
525
546
597
Lev 8
No.
880
889
888
887
870
16/08/2011
Type
off site
off site
off site
off site
off site
off site
off site
off site
off site
off site
Type
demo
demo
demo
demo
demo
demo
demo
demo
demo
demo
off site lines cannot call the 222 fire alarm
demo lines can only call levels 7 and 8
*** faulty P relay coil
The A736 describes the IDF jumper connecting the multiple number to
the line circuit. This sheet is in line circuit order.
5