CoaXPress CXP-12 Host Interface
The CoaXPress CXP-12 Host Interface implements for each individual CoaXPress connection:
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a high-speed cable receiver |
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a low-speed cable driver |
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a power transmitting unit (PTU) |
See also: Camera Connectors
It fulfills the electrical specification of the CoaXPress 2.0 standard. Namely:
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The cable receiver requirements for the high-speed connection described in Table 2 of the Annex B of the CoaXPress Standard Version 2.0 |
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The cable driver requirements for the low-speed connection described in Table 3 of the Annex B of the CoaXPress Standard Version 2.0 |
Cable Driver and Receiver Specification
High-speed receiver bit rate |
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1.25 |
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12.50 |
GT/s |
Low-speed driver bit rate |
1.25 GT/s up to 6.25 GT/s |
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20.833 |
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MT/s |
10.0 GT/s and 12.5 GT/s |
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41.666 |
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MT/s |
Max. cable length |
BELDEN 1694 @ 1.25 GT/s |
130 |
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m |
BELDEN 1694 @ 2.5 GT/s |
115 |
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m |
BELDEN 1694 @ 3.125 GT/s |
100 |
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m |
BELDEN 1694 @ 5 GT/s |
80 |
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m |
BELDEN 1694 @ 6.25 GT/s |
70 |
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m |
BELDEN 1694 @ 10.0 GT/s |
50 |
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m |
BELDEN 1694 @12.5GT/s |
40 |
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m |
PTU - Power transmitting unit specification
DC output voltage |
22 |
24 |
26 |
V |
Available output power |
17 |
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W |
OCP holding current |
790 |
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mA |
OCP nominal trip current |
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5 |
A |
Device detection sense resistance |
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4.7 |
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kΩ |
The Power Transmitting Unit provides 24 V DC power, over-current protection (OCP) and PoCXP device detection as specified by the CoaXPress Standard.
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NOTE:
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The above specification applies over the whole operating temperature range of the card. |
See also: Refer to Power Over CoaXPress in the Functional Guide