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edge switch 2/16 service manual Glossary–11
Glossary
connectivity attribute
In S/390 mode, the characteristic that determines port address status for the director or switch.
See allowed connection; blocked connection; connectivity capability; connectivity control;
dynamic connection; dynamic connectivity; unblocked connection.
connectivity capability
(1) The capability that allows attachment of a device to a system without requiring physical
reconfiguration of either the device or the interconnections. (2) The director or switch
capability that allows logical manipulation of link connections to provide physical device
attachment (D). See also active port address matrix; connectivity attribute; connectivity
control.
connectivity control
In S/390 mode, in a director or switch, the method used to change port address connectivity
attributes and determine the communication capability of the link attached to the port (D). See
also active port address matrix; connectivity attribute; connectivity capability.
connector
Synonym for optical fiber connector.
console
See personal computer; server.
control processor card
CTP card. Circuit card that contains the director or switch microprocessor. The CTP card also
initializes hardware components of the system after power-on. The card may contain an RJ-45
twisted pair connector. In the Edge Switch 2/16 and Edge Switch 2/32, the CTP card is the
main circuit board of the switch and is not replaceable (not a FRU).
credit
See buffer-to-buffer credit.
CTP card
See control processor card.
customer support
Synonym for technical support.
CVC
Channel operations running in block mode. This occurs when a channel is attached to a
converter. This specifies the I/O operation mode for the channel path under the I/O
configuration program (IOCP) channel path identifier (CHPID) statement Type parameter.
Contrast with CBY.