Keyed transceiver module
View Patent ↗An optical module and chassis incorporating “keying” features that ensure the correct insertion of the module into a given chassis, thereby preventing damage to the module and/or the system to which the chassis is connected.
1. A small form factor pluggable (XFP) optical transceiver module adapted for insertion into a multi-standard compliant chassis and adapted to receive a transmit and a receive connector, the XFP optical transceiver module comprising a housing, said housing being substantially rectangular in shape, wherein at least one keying feature is disposed on an outer surface of said housing and is adapted to engage with a corresponding keying feature on the chassis.
2. A module as claimed in claim 1 , wherein said keying feature extends outward from said housing.
3. A module as claimed in claim 1 , wherein said keying feature is formed of plastic.
4. A module as claimed in claim 2 , wherein said keying feature is rectangular shaped.
5. A module as claimed in claim 1 , wherein said keying feature is triangular shaped.
6. A module as claimed in claim 1 , wherein a second keying feature is disposed on said outer surface of said housing.
7. A module as claimed in claim 1 , wherein a further keying feature is disposed on said outer surface of said module.
8. A module as claimed in claim 7 , wherein said further keying feature extends inward from said housing.
9. A module as claimed in claim 8 , wherein said further keying feature extends along a longitudinal axis of said housing.
10. A module as claimed in claim 1 , wherein said first and second keying features are located proximate a front end of said housing.
11. A module as claimed in claim 1 , wherein a third and forth keying features are disposed on said outer surface of said module and located proximate a rear end of said housing and coplanar with said first and second keying features.
12. A multi-standard chassis arranged to receive a small form factor pluggable (XFP) optical transceiver module through an opening in a front plate of said chassis, said opening having at least one keying feature disposed therein adapted to engage with a corresponding keying feature disposed on the XFP optical transceiver module.
13. A chassis as claimed in claim 12 , wherein said keying feature is rectangular shaped.
14. A chassis as claimed in claim 12 , wherein said keying feature is triangular shaped.
15. A chassis as claimed in claim 12 , wherein a second keying feature is disposed therein.
16. A chassis as claimed in claim 12 , wherein a further keying feature is disposed therein.
17. A system comprising an optical module and a chassis as claimed in claim 12 .
18. A system as claimed in claim 17 , wherein said keying features are indicative of the system configuration.
19. A system comprising an optical module and a chassis as claimed in claim 1 .
20. A system as claimed in claim 19 , wherein said keying features are indicative of the system configuration.