One Stop Systems
OSS-KIT-EXP-2000-2M
Page 4
2. Components
2.a. Host cable adapter
The PCIe x4 host adapter insta
lls in the host computer’s PCIe x4, x8 or x16 slot.
2.b. Expansion cable adapter
The ECA is a free-standing adapter board that transfers the PCIe bus from a x4 cable connector to a x4 link slot with a x16
connector.
LVPECL
Clock Buffer
Downstream
X4 PCI Express
Cable Connector
Upstream
X4 PCI Express
Card Edge Connector
PCIe Signal
Redriver
PCIe Signal
Redriver
LEDs
Cable
Present/ Pwr
X4
PCIe
X4
PCIe
Rx
CPRS
NT#
+3.3
v
Clock*
Clock
*
LEDs
PCIe lane
status
X4
PCIe
Tx
X4
PCIe
*
Clock direction shown in
Host configuration
Slot cover (also
available in low
profile height)
PCIe x4
connector
PCIe x4
connector
PCIe x16 Mechanical
slot Connection
(PCIe x4 electrically)
LVPECL
Clock
Buffer
Downstream
x4 PCI Express
Cable Connector
Upstream
x4 PCI Express
Card Edge Connector
PCIe
Signal
Redriver
PCIe
Signal
Redriver
LEDs
Cable Present/ Pwr
x4 PCIe Rx
x4 PCIe
CPR
SNT#
+3.3
Clock*
Clock*
LEDs
PCIe lane status
x4 PCIe
x4 PCIe Tx
*Clock direction shown in
Host configuration