Option Card Slots
The Acme Packet 6300/6350 contains three slots located on the right side of the rear of the chassis. The slots are labeled Slot 0, Slot 1, and Slot 2 (from bottom to top), as shown in the following image.
Figure 2-1 Rear Panel Slot Indicators

The following images show Small form-factor pluggable (SFP+) media network ports on the Network Interface Unit (NIU) cards.
Figure 2-2 NIU SFP+ Media Network Ports

Figure 2-3 Typical Option Card - Two Port NIU

Figure 2-4 Alternate Option Card - Four Port NIU in Chassis

Figure 2-5 Alternate Option Card - Four Port NIU
