18
Release Notes
Known Issues and Limitations
Hardware
• [Ref. #26514] Input cards: It is possible to use legacy KXI-16HSV, KXI-16HS or KXI-16SV
input cards with the latest KXI-16H3-R rear panels. However, in such a case, the return
loss specification for the SDTI input is: >
15 dB up to 200 MHz and > 12.5 dB up to
270
MHz.
• KMV-3901/3911 does not support USB hubs: Only one USB device (USB key or mouse)
can be connected at a time. If an externally powered USB hub is connected to the KMV-
3901/3911, then a mouse connected to the hub will not work.
• [Ref. #19765] Kaleido-RCP2 does not support USB hubs: If an externally powered USB
hub is connected to the RCP2, then a mouse connected to the hub will not work.
Similarly, multi-function keyboards or numeric keypads that have a built-in USB hub
also do not work when connected to the Kaleido-RCP2.
Workaround: Use a standard keyboard or keypad, and connect it to the Kaleido-RCP2
directly.
• [Ref. #14565] Kaleido-X (4RU)/Kaleido-X (7RU): Interconnect configurations are lost
when you change frame type.
• [Ref. #12186] Ethernet Switch: When a KXO-DUAL card is connected to an HP ProCurve
408 Ethernet switch, the switch may not recognize the output card.
Workaround: Forcing the output card's link mode to 100 Mbps full duplex may help.
• [Ref. #19114] Redundancy: The KXO and KXI cards in a Kaleido-X multiviewer have built-
in redundancy that works like a RAID 3 or 5 disk array—when a faulty card is removed,
the other cards automatically rebuild the software on its replacement. In order for this
to work properly, however, a faulty card must be replaced and the system must be
allowed time to rebuild. Swapping cards around indiscriminately, without any
consideration for keeping a master card in the system, or not waiting long enough for
cards to have booted completely before swapping them, can lead to serious problems.
Workaround: (1) Remove all KXO and KXI cards. (2) Insert a card that has the most recent
software version. (3) Insert the remaining KXO cards one by one, allowing time for the
software rebuild and a complete reboot. (4) Insert the KXI cards one by one, allowing
time for the software rebuild and a complete reboot.
See System Requirements &
Installation on page 51, for more information.
• [Ref. #20523] Restarting an expansion system with an expansion card missing or a
disconnected expansion cable is not supported. If you reseat missing expansion cards
or reconnect expansion cables, an IP address conflict will be reported.
Workaround: Restart the expansion system after reseating any missing expansion card,
and making sure both expansion cables are connected.
Note: Support for the Kaleido-X (4RU) was introduced with Kaleido-X
version
2.10. Only cards of this version or later should be used in a 4 RU
frame.
Note: If you wished to convert your expansion system to two separate
Kaleido-X (7RU) systems, please refer to Splitting an Expansion Frame in the
Kaleido-X (7RU) Hardware Description & Installation Manual.
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