FW 07.00.00/HAFM SW 08.06.00 McDATA SANpilot User Manual (620-000160-230, April 2005)

Glossary

g-43

Glossary

repeater A device that generates and often amplifies signals to extend trans-

mission distance.

rerouting delay An option that ensures that frames are delivered in order through the

fabric to their destination.

resource allocation

time-out value

R_A_TOV. R_A_TOV is a value used to time-out operations that

depend on the maximum possible time that a frame could be delayed

in a fabric and still be delivered.

RFI See radio frequency interference.

ROM See read-only memory. Contrast with random access memory.

router An attaching device that connects two local area network (LAN) seg-

ments, which use similar or different architectures, at the reference

model network layer (D). Contrast with bridge.

RS-232 The Electronic Industry Association (EIA)-recommended specifica-

tion for asynchronous serial interfaces between computers and com-

munications equipment. It specifies both the number of pins and type

of connection, but does not specify the electrical signals (D).

S/390 mode The mode that is most useful when attaching to IBM S/390 Enterprise

Servers. See also open systems mode; operating mode.

SA/MVS™ See System Automation for Operating System/390.

SAN See storage area network; system area network.

SANavigator SANavigator management software provides easy, centralized man-

agement of a SAN and quick access to all device configuration appli-

cations.

SANavigator Server The computer that is hosting the SANavigator application. Multiple

client systems can log in to the Server to utilize the application. See

also EFC Server.

SA OS/390™ See System Automation for Operating System/390.