CoaXPress CXP-12 Host Interface
Applies to PC3603 Coaxlink Quad CXP-12, PC3603-4 Coaxlink Quad CXP-12, PC3620 Coaxlink Quad CXP-12 JPEG, PC3620-4 Coaxlink Quad CXP-12 JPEG, PC3621 Coaxlink Mono CXP-12, PC3621-LH Coaxlink Mono CXP-12 LH, PC3622 Coaxlink Duo CXP-12, PC3622-LH Coaxlink Duo CXP-12 LH, PC3623 Coaxlink Quad CXP-12 Value, PC3624 Coaxlink Quad CXP-12 DF, PC3629 Coaxlink CXP-12 to QSFP+ Converter and PC3633 Coaxlink Quad CXP-12 3D-LLE.
The CoaXPress CXP-12 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 2.0 standard. Namely:
| □ | The cable receiver requirements for the high-speed connection described in Table 2 of the Annex B of the CoaXPress Standard Version 2.0 |
| □ | 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
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| High-speed receiver bit rate | 1.25 | 12.50 | Gbps | ||
| Low-speed driver bit rate | 1.25 Gbps up to 6.25 Gbps | 20.833 | Mbps | ||
| 10.0 Gbps and 12.5 Gbps | 41.666 | Mbps | |||
| Max. cable length | BELDEN 1694 @ 1.25 Gbps | 130 | m | ||
| BELDEN 1694 @ 2.5 Gbps | 115 | m | |||
| BELDEN 1694 @ 3.125 Gbps | 100 | m | |||
| BELDEN 1694 @ 5 Gbps | 80 | m | |||
| BELDEN 1694 @ 6.25 Gbps | 70 | m | |||
| BELDEN 1694 @ 10.0 Gbps | 50 | m | |||
| BELDEN 1694 @12.5Gbps | 40 | m |
PTU - Power transmitting unit specification
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| DC output voltage | 22 | 24 | 26 | V |
| Available output power1 | 172 | 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