JACKS

2 point with lamp holder.

4 way single flat socket.  Fits under a keyboard.

Used with Plug No. 404.

Superseded by Jack No. 19.
 

4 way double flat socket.  For use with table telephones to Diagram CB 30, CBS 16 and CBS166.

Diameter - 1.75".

Used with Plug No. 404.

Superseded by Jack No. 407.

4 way single wall socket.  Fits under a keyboard.

Used with Plug No. 407.

Superseded by Jack No. 19.

4 x 1 way flat jack, made of Ebonite.

Used with Plug No. 406 or Plug, Instrument, N.T. No. 1.

Size - 59mm x 18mm x 40mm.

ATM Part - T653.
Siemens Brothers Part No. 16.
Plessey Part - N4952A.

1 x 9 way socket used with table telephones.

Used with Plug No. 701.
 

5 x 1 way flat socket - similar to Jack No. 8.

Used with Plug No. 501.

Size - 70mm x 19mm x 40mm.

Siemens Brothers Part No. 27.
 

4 way with break contacts.  Used on Electrophone tables.

Used with Plug No. 406.
 

Wall socket. 10 terminals for table telephones (magneto).

Superseded by No. 64 or where unsuitable, by 2 Jacks No. 500B6/N.
 

1 x 4 way socket used on switchboards.

Used with Plug No. 404.

Size - 66mm x 45mm x 47mm.

ATM Part T4195.

Siemens Brothers Part - 131A.
Plessey part - N4970.

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2 x 4 way socket used on switchboards.

Used with Plug No. 404.

Size - 86mm x 45mm x 51mm.

ATM Part - T4194.

Siemens Brother Part No. 125A.

6 point with label holder.

12 point with label holder.

8 point with lamp holder.

6 point

12 point

8 point with lamp holder.

14 point with lamp holder.

12 point with lamp holder.

18 point with lamp holder.

14 point with lamp holder.

12 point with riveted label.

8 point with lamp holder.

6 point with label holder

12 point with riveted label.

9 way jack used with the Keyboard Baudot Mark 5.

Connects to a Plug No. 902.

24 way jack used in telephone exchanges on equipment racks.

Used with the Plug No. 2401.

12 point.

12 way Jack, used with the Plug No. 1202.

24 point jack, with 10 sets of two break springs and two sets of 2 open circuit springs.

Dull nickel plated frame with zinc plated brackets.

Used with Plug No. 60.

24 way, Spring-sets.  Similar to Jack No. 54.

Used on HES No. 1 telephones and HES Transfer Units.

40 way, Spring-sets.

Used on telephones on HES No. 1 & No. 2.

As Jack No. 51 but with 12 sets of 2 open circuit springs.

Black enamelled metal plate, equipped with four 2 spring break jacks.

Used as tone jacks on selector racks.

1 x 4 way Jack used with Plug No. 404.

Size - 62mm x 64mm x 35mm.

Used in customers premises as part of a Plan 4 installation.

Four way, concentric, twin jack with two plunger type keys and two rectifiers.

Size - 117mm x 47mm x 102mm.

As Jack No. 19/2 but with larger front plate.

Size - 117mm x 47mm x 47mm.

4 way miniature jack used with Plug No. 420.  No. 84A is shown pictured.  The No. 84B is enclosed in a lozenge shaped plastic cover.

Drawing - 90841.

When Jacks No. 84 are required switchboards the following Jack, Plates are used:-
Single jack - 1/DPL/719.
Double jack - 1/DPL/695.

Plessey Part - N5076A1 (No. 84A).
Plessey part - N5076A2 (No. 84B).

Surface mounted 4 way jack used with Plug No. 420.

There are two models of this jack.  On the later model the cover is released by squeezing the sides, whilst on the early version the cover was fixed by two screws.

Terminals 1 to 4 connect to the plug whilst terminals 4 and 4A consist of a contact set that breaks when the plug is inserted.

Colours: Ivory and Grey.

Generally used on the GPO Extension Plan No. 4 system.

4 way flush mounted Jack used with Plug No. 420.

Colours: Ivory and Grey.

Terminals 1 to 4 connect to the plug whilst terminals 4 and 4A consist of a switch that breaks when the plug is inserted.

5 way surface mounted Jack used with Plug No. 505.

On the model shown the cover is released by squeezing the sides.  Earlier models were fixed by two screws.

Colours: Ivory and Grey.

Terminals 1 to 5 connect to the plug whilst terminals 5 and 5A consist of a switch that breaks when the plug is inserted.

5 way flush mounted Jack used with Plug No. 505.

Colours: Ivory and Grey.

Terminals 1 to 5 connect to the plug whilst terminals 5 and 5A consist of a switch that breaks when the plug is inserted.

4 jacks in a mountable unit.  Accepts Plugs No. 213.

Each jack has a break contact set on the ring and tip contacts.
 

32 way jack used on telephone exchange equipment mountings.

Accepts Plugs No. 3201.

Used on the Bell Unit No. 766, where the cord anchor block (Part l/DBL/124) is replaced by the Jack No. 139A when used on a Plan 4 installation.

For more details see the Telephone No. 776.

Single Jack.

2 point, B gauge.

Size - 86mm x 22mm x 19mm.

Engraved "Battery jack".

Size - 86mm x 41mm x 29mm.

Single Jack as per Figure 1.

Size - 14mm x 21mm x 85mm.

Plessey Part - N5061.

3 point, B gauge.

Size - 86mm x 22mm x 19mm.
 

20 way Jack-strip comprising of the following:-
Positions 13, 14, 15, 18, 19 & 20, Jacks to Fig 1.
Position 16, Jack to Fig 2.
Position 17, Jack to Fig 3.
Positions 1 to 12 are dummies.

Colour - Light French Grey.
Markings - None.

Ericson Code No. N5169AA3.
 

Fig2

Fig3
 

10 way Jack-strip with Jacks as per figure 1.

To fit Panel width - 260mm.

Plessey Part - N5171.

Click on picture to enlarge

Fig 1

20 way Jack-strip with Jacks as per figure 1.

To fit Panel width - 260mm.

Plessey Part - N5172.

 

Single Jack as per Figure 1.

5 point, B gauge.

Size - 14mm x 21mm x 85mm.

Plessey Part - N5063.
 

Jack as per 500B6.

20 way Jack-strip comprising of the following:-
Positions 2, 4, 6, 8, 10, Jacks to Fig 1.
Positions 1, 3, 5, 7, 9, 11, 13 to 20 are dummies.

Colour - Light French Grey.
Markings - None.

Ericson Code No. N5169AA2.

10 way Jack-strip with Jacks as per figure 1.

To fit Panel width - 260mm.

Plessey Part - N5173.
 

20 way Jack-strip with Jacks as per figure 1.

To fit Panel width - 260mm.

Plessey part - N5174.

Click on picture to enlarge
 

Fig 1
 

PCB mounted jack - Right hand

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PCB mounted jack - Left hand

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PCB mounted jack - Right hand - 90degree

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PCB mounted jack - Right hand

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PCB mounted jack - Left hand - 90 degree

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PCB mounted jack - Right hand

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Surface mounted Master socket with captive lid.

Fitted with a 1.8uf capacitor, a lightning protector and a resistor.

Used on the UK Plug and Socket system.

Click on the picture for an enlargement.  Made by GEC in 1981.

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Surface mounted Master socket with non-captive lid.

Fitted with a 1.8uf capacitor, a lightning protector and a resistor.

Used on the UK Plug and Socket system.

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Surface mounted Secondary socket with captive lid.

No components are fitted in this Jack.

Used on the UK Plug and Socket system.

Click on the picture for an enlargement.

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Surface mounted Secondary socket with non-captive lid.

No components are fitted in this Jack.

Used on the UK Plug and Socket system.

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Single Jack as per Figure 1.

Size - 14mm x 21mm x 85mm.

7 point, B gauge.

Plessey Part - N5065.

Fig 1
 

20 way Jack-strip comprising of the following:-
Positions 2, 4, 6, 8, 10, 12, 14, 16, 18 & 20, Jacks to Fig 1.
Positions 1, 3, 5, 7, 9, 11, 13, 15, 17 & 19 are dummies.

Used on the PMBX No. 4.

Colour - Light French Grey.
Markings - None.

Ericson Code No. N5169AA1.

Click on picture to enlarge
 

Fig 1

20 way Jack-strip comprising of the following:-
Positions 1 to 20, Jacks to Fig 1.

Colour - Light French Grey.
Markings - None.

Ericson Code No. N5169AA4.
 

Single Jack as per Figure 1.

Size - 14mm x 21mm x 85mm.

8 point, B gauge.

Plessey Part - N5066.
 

10 way Jack-strip with Jacks as per figure 1.

To fit Panel width - 260mm.

Plessey Part - N5175.