3Com Dual DSX-1 Getting Started Manual page 10

2-2 C 2: I
HAPTER NSTALLATION
2 Select a slot at the rear of the Total Control chassis for installing the NIC.
Install this NIC in slot(s): 1–17
For managed chassis, slot 17 is reserved for the Network Management
Card (NMC) NIC.
3 Use a #2 Phillips screwdriver to remove the safety panel covering this slot.