CoaXPress CXP-6 Host Interface

Applies to ClosedPC1629 Coaxlink Duo PCIe/104-EMB, PC1630 Coaxlink Mono, PC1631 Coaxlink Duo, PC1632 Coaxlink Quad, PC1633 Coaxlink Quad G3, PC1633-LH Coaxlink Quad G3 LH, PC1635 Coaxlink Quad G3 DF, PC1637 Coaxlink Quad 3D-LLE and PC3602 Coaxlink Octo.

The CoaXPress CXP-6 Host Interface implements for each individual CoaXPress connection:

□ a high-speed cable receiver
□ a low-speed cable driver
□ a power transmitting unit (PTU)
□ a connector

See also: Camera and Data Output Connectors

It fulfills the electrical specification of the CoaXPress 1.1 standard. Namely:

□ The cable receiver requirements for the high-speed connection described in Table 2 of the Annex B of the CoaXPress Standard 1.1
□ The cable driver requirements for the low-speed connection described in Table 3 of the Annex B of the CoaXPress Standard 1.1

Cable driver and receiver specification

Parameter Conditions Min. Typ. Max. Unit
High-speed receiver bit rate   1.25   6.25 GT/s
Low-speed driver bit rate     20.833   MT/s
Max. cable length BELDEN 1694 @ 1.25 GT/s 130     m
BELDEN 1694 @ 2.5 GT/s 110     m
BELDEN 1694 @ 3.125 GT/s 100     m
BELDEN 1694 @ 5 GT/s 60     m
BELDEN 1694 @ 6.25 GT/s 40     m

PTU - Power transmitting unit specification

Parameter Min. Typ. Max. Unit
DC output voltage 22 24 26 V
Available output power 171     W
OCP holding current 790     mA
OCP nominal trip current     5 A
Device detection sense resistance   4.7   kΩ

The Power Transmitting Unit provides 24 V DC power, over-current protection (OCP) and PoCXP device detection as specified by the CoaXPress Standard.

NOTE: The above specification applies over the whole operating temperature range of the card.

See also: Refer to Power Over CoaXPress in the Functional Guide