NetPerformer Hardware Installation Guide
4-24 Memotec Inc.
4.12 Interface Cards
The NetPerformer interface cards add optional hardware interfaces to the SDM-9XXX
Series. They provide a physical interface to external devices and networks, scalable to the
needs of your application.
• The SDM-9120 can be installed with a maximum of 2 low-profile interface cards.
• The SDM-9220 can be installed with a maximum of 2 interface cards.
• The SDM-9230 can be installed with a maximum of 3 interface cards.
• The SDM-9140 can be installed with a maximum of 3 ultra-low-profile interface
cards.
For SDM-9120/9220/9230 units, the interface cards slide into slots located at the rear of
the units (see “Rear View of the SDM-9220/9230 UAC” on page 4-5).
For the SDM-9140 unit, the interface cards slide into slots located at the front of the unit.
See “Front View of the SDM-9140e” on page 4-7.
To install an interface card in the SDM-9XXX Series chassis, follow the procedure in
“Installing an Interface Card” on page 3-16.
4.12.1 SDM-9120 Compared to the SDM-9220/9230
All three units use the same interface boards; however, the SDM-9120 has a low profile
chassis requiring only 1 Rack Unit of space. Consequently, the SDM-9120 interface cards
must also be low profile using different faceplate than the SDM-92x0. See Figure 4-18
below.
Figure 4-18: Low-Profile and Regular Interface Cards
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