MXH932
User’s Guide –
Dolphin Interconnect Solutions
Page 5
Terms and Acronyms
Important terms and acronyms used in this manual
AOC
A
ctive
O
ptical
C
able. PCIe fiber cable assembly available from Dolphin.
CMI
C
able
M
anagement
I
nterface. The 2-wire management interface for communication between subsystems
connected by a PCIe 4.0 cable. Details can be found in the PCI-SIG External Cabling Specification 4.0 (draft).
CMI Controller
Microcontroller on the MXH932 used to manage and implement the CMI communications.
eXpressWare
Dolphin
’
s software stack for PCIe clustering and IO. Please visit
Host mode
The card is installed in a root complex / Host PC.
Lane
One PCI Express Lane contains a differential pair for transmission and a differential pair for reception.
Link
A collection of one or more PCI Express Lanes providing the communication path between an Upstream and
Downstream Port.
PCIe 4.0 cable
Cable compliant to the preliminary PCI-SIG External Cabling Specification 4.0. Support for CMI.
Port
PCIe Cable port. The MXH932 has four x4 ports, named P1, P2, P3, P4. These ports can be merged to two x8
ports, or one x16 port. The physical ports are identified by text on the PCIe brackets.
Target mode
The card is installed in an expansion chassis
Wake
A mechanism used by a downstream device to request the reapplication of main power when in the L2 Link
state.
