Datapath VSN900X Gebruikershandleiding - Pagina 7

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Slots and Bandwidths - Optical Systems

The optical solutions offer a variety of configurations and bandwidths depending on customer
requirements. Each HLink-Optical is capable of transferring up to PCIe Gen.3 x8 bandwidths across
distances up to 100m. To achieve this the HLink-Optical must be installed in a x8 PCIe slot on the host
backplane and connected to the corresponding SLink-Optical card pre-installed in the PICMG 1.3 slot in
the expansion chassis using two ExCable-Optical cables.
A x4 bandwidth can also be achieved by connecting the HLink-Optical (installed in a x8 PCIe slot ) to two
separate SLink-Optical cards. If the HLink-Optical is installed in a PCIe x4 then it can only be connected to
one SLink-Optical card.
Nine Slot System
Bandwidth
PCIe Slot
Number
X8
1
x
1
2
N/A
3
N/A
4
N/A
5
N/A
6
N/A
7
N/A
8
N/A
9
N/A
(1) SLink-Optical card is pre-installed in the PICMG 1.3 slot in the expansion chassis.
(2) Two ExCables-Optical connecting to two separate SLink-Optical cards (see section: Creating the Link -x4 optical on page 15)
Eleven Slot System
Bandwidth
PCIe Slot
Number
1
2
3
4
5
6
7
8
9
10
11
(3) All 11 slots in the VSN1100X-Optical expansion chassis are PCIe x8 lane therefore two ExCables-Optical are required. If
the requirement is for x4, only one ExCable-Optical is required, however this reduces the available bandwidth by 50% and
therefore reduces the amount of video signal that can be transferred.
HOST
ExCable-Optical
X4
1 Cable
2 Cables
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
HOST
ExCable-Optical
X8
1 Cable
2 Cables
x
(3)
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
HLink-Optical
Top
Bottom
Connector
Connector
x
x
x
x
x
x
x
x
x
x
x
HLink-Optical
Top
Bottom
Connector
Connector
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
7
EXPANSION
SLink-Optical
Top
Bottom
Connector
Connector
x
x (1)
x (2)
x
x
x
x
x
x
x
x
EXPANSION
SLink-Optical
Top
Bottom
Connector
Connector
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x