Modular connector with reduced termination variability

1. A telecommunications connector assembly comprising:

a cable having a first pair of twisted wires and a second pair of twisted wires;

a first connector having a first substrate having a first termination area, the first pair of twisted wires provided for electrical termination on a first side of the first substrate, the second pair of twisted wires provided for electrical termination on a second side of the first substrate, the second side opposite the first side;

a second connector having a second substrate having a second termination area, the second pair of twisted wires provided for electrical termination on the first side of the second substrate, the first pair of twisted wires provided for electrical termination on the second side of the second substrate, the second side opposite the first side.

2. The telecommunications connector assembly of claim 1 wherein:

the cable has a third pair of twisted wires and a fourth pair of twisted wires,

the third pair of twisted wires provided for electrical termination on a first side of the first substrate, the fourth pair of twisted wires provided for electrical termination on a second side of the first substrate, the second side opposite the first side;

the third pair of twisted wires provided for electrical termination on the second side of the second substrate, the fourth pair of twisted wires provided for electrical termination on the first side of the second substrate, the second side opposite the first side.

3. The telecommunications connector assembly of claim 1 wherein:

the first pair of wires is provided for electrical termination on the first substrate at insulation displacement contacts.

4. The telecommunications connector assembly of claim 1 wherein:

the first pair of wires is provided for electrical termination on the first substrate at solder pads.

5. The telecommunications connector assembly of claim 1 wherein:

the first substrate is the same as the second substrate.

6. The telecommunications connector assembly of claim 5 wherein:

the first substrate and the second substrate have conductive traces in a same pattern.

7. The telecommunications connector assembly of claim 1 wherein:

the first substrate is different from the second substrate.

8. The telecommunications connector assembly of claim 7 wherein:

the first substrate and the second substrate have conductive traces in different patterns.

9. The telecommunications connector assembly of claim 1 wherein:

the substrate is a printed circuit board.

10. The telecommunications connector assembly of claim 1 wherein:

the first connector is tuned to establish a first transmission level in a defined range, the second connector is tuned to establish a second transmission level in the defined range, the second level being different than the first level.

11. The telecommunications connector assembly of claim 1 wherein:

the first connector is a plug and the second connector is a plug.

12. The telecommunications connector assembly of claim 11 further comprising:

first plug contacts installed in the first substrate, the first plug contacts engaging outlet contacts upon the plug mating with a modular jack.

13. The telecommunications connector assembly of claim 12 wherein:

the first plug contacts are wire contacts having a post contacting the substrate and an arm extending from the post.

14. The telecommunications connector assembly of claim 1 wherein:

the first connector is an outlet.

15. The telecommunications connector assembly of claim 1 wherein:

the first pair of twisted wires and a second pair of twisted wires have conductors within a range of 27 AWG to 22 AWG.

16. The telecommunications connector assembly of claim 1 wherein:

the first substrate includes conductive traces arranged to control transmission performance.

17. A telecommunications connector assembly comprising:

a cable having a first pair of twisted wires and a second pair of twisted wires;

a first connector having a first termination area, the first pair of twisted wires provided for electrical termination on a first side of the first termination area, the second pair of twisted wires provided for electrical termination on a second side of the first termination area, the second side opposite the first side;

a second connector having a second termination area, the second pair of twisted wires provided for electrical termination on the first side of the second termination area, the first pair of twisted wires provided for electrical termination on the second side of the second termination area, the second side opposite the first side.

18. The telecommunications connector assembly of claim 17 wherein:

the cable has a third pair of twisted wires and a fourth pair of twisted wires;

the third pair of twisted wires provided for electrical termination on a first side of the first termination area, the fourth pair of twisted wires provided for electrical termination on a second side of the first termination area, the second side opposite the first side;

the third pair of twisted wires provided for electrical termination on the second side of the second termination area, the fourth pair of twisted wires provided for electrical termination on the first side of the second termination area, the second side opposite the first side.

19. The telecommunications connector assembly of claim 17 wherein:

the first connector is tuned to establish a first transmission level in a defined range, the second connector is tuned to establish a second transmission level in the defined range, the second level being different than the first level.