NetVanta 6355 PoE Hardware Installation Guide Unit Installation61200740E1-34D Copyright © 2011 ADTRAN, Inc. 41Installing the NetVanta VPN Accelerator Card (included in P/N 4200368L1)The optional VPN Accelerator card plugs into a 32-bit PCI slot and is designed to be used in theNetVanta 6355 PoE to provide encryption/decryption and security acceleration services. The card provides thefollowing security services to the host processor: DES, triple-DES (3DES), AES, SHA-1, MD5, and randomnumber generation. The power consumption of the card does not exceed 2 watts.Figure 17. NetVanta VPN Card InstallationThe AOS Enhanced Feature Pack software is required to take advantage of the VPNacceleration features of this card.The NetVanta VPN accelerator card is intended to be serviced/installed by qualifiedservice personnel only.Instructions for Installing the NetVanta VPN Accelerator CardStep Action1 Remove telecom cables and power from the unit.2 Remove the screws holding the base unit and the cover together and, if necessary, two mountingbrackets (see Figure 17).3 Using a 3/16-inch hex driver, remove the two jack screws located on either side of the DB-9 port.4 Carefully lift and remove the unit’s cover to expose the circuit board.5 Gently slide the accelerator card into the PCI slot as shown. The card is keyed to fit into the slotonly one way. To avoid damaging the card pins, do not use excessive force.6 Replace the unit cover, screws, and mounting brackets.7 Replace telecom cables and restore power to the unit.