Codec option card, Disk controller board, Front interconnect board – Grass Valley K2 Summit 3G v.8.0 User Manual
Page 32: Disk backplane unit, Midplane board, Carrier module
Codec option card
There is one type of codec option card available for the K2 Summit 3G system. The codec module
hosts the codec option card. The single codec option card provides functionality for both of the
codec module's channels.
Related Topics
on page 103
Disk controller board
The disk controller board provides the RAID functionality for the internal disks. It is mounted in
the front of the unit. The disk controller board plugs into the disk backplane board and the midplane
board. K2 Summit systems with direct-connect storage or shared SAN storage do not contain a disk
controller board, as RAID disks are in the external RAID storage devices.
Related Topics
on page 100
Front interconnect board
The front interconnect board has the control and speed monitoring circuit for the fans and incorporates
a PCIE to dual USB 3.0 controller circuit. It hosts the boot media, standby switch, Power LED and
Service LED. The LEDs are driven by circuitry on the carrier module. The front interconnect board
is mounted in the front of the unit and plugs into the midplane board.
Disk backplane unit
The disk backplane unit includes the disk backplane board. The disk backplane board provides the
connections for the disk modules and hosts the disk status LEDs. It is mounted in the front center
of the chassis. It plugs into the disk controller board. A power cable connects the midplane board
and the disk backplane board. K2 Summit system with direct-connect storage or shared SAN storage
do not contain a disk backplane board, as RAID disks are in the external RAID storage devices.
Midplane board
The midplane board provides connections for the rear modules. The disk controller board and the
front interconnect board also plug into the midplane board. It is mounted in the center of the unit.
A power cable connects the midplane board and the disk backplane board, if present.
Related Topics
on page 108
Carrier module
The carrier module provides the functionality typically associated with a motherboard in a PC. It
hosts the CPU, one optional PCIe board, and provides rear panel connections for Gigabit Ethernet,
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K2 Summit 3G Production Client Service Manual
02 February 2012
Product description