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B
An empty panel used to fill vacant subslots on a SIP. For proper operation, a SIP should be fully
blank filler plate
installed with either functional SPAs or blank filler plates.
F
Field-programmable device. General term for any hardware component implemented on router cards
FPD
that supports separate software upgrades. SIPs and SPAs must have the right FPD version to function
properly; an FPD incompatibility will disable all interfaces on the SPA or all SPAs within the SIP.
An FPD image package is used to upgrade FPD images. Whenever a Cisco IOS image is released that
FPD image package
supports SPAs, a companion SPA FPD image package is also released for that Cisco IOS software
release.
Describes the dimensions of a SPA that occupies four standard, half-height SIP subslots or two
full-height,
double-wide
full-height SIP subslots.
O
Online insertion and removal. Feature supported by SIPs and SPAs allowing removal of the cards while
OIR
the router and the cards are activated, without affecting the operation of other cards or the router.
Although this removal can be done while the SIP or SPA is activated, it is generally recommended that
you gracefully deactivate the hardware using the appropriate commands for your platform prior to
removal of the hardware.
S
Small form-factor pluggable optical transceiver. A type of fiber optic receptacle device that mounts
SFP
flush with the front panel to provide network connectivity.
Describes the dimension of a SPA that occupies a single SIP subslot, or half of the SIP.
single-height
SPA interface processor. A SIP is a platform-specific carrier card that inserts into a router slot like a
SIP
line card. A SIP can hold one or more SPAs in its subslots, depending on the SIP type. The SPA
provides the network interface. The SIP provides the connection between the route processor (RP) and
the SPA.
OL-13838-01
G L O S S A R Y
Cisco 10000 Series Router SIP and SPA Hardware Installation Guide
GL-1
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