ADTRAN 1200831G1, Руководство по установке оборудования

Страница: 30 / 36

Unit Installation NetVanta 5305 Hardware Installation Guide
30 Copyright © 2014 ADTRAN, Inc. 61200990L1-34P
NetVanta 5305 (DC)
The DC-powered NetVanta 5305 connects to a centralized DC power source via the four-position power
connector on the rear of the chassis. The nominal input of the NetVanta 5305 is -48 VDC. Power and ground
connections require copper conductors and a ring lug.
Installing the NetVanta VPN Accelerator Card (included in P/N 4200368L3)
The optional NetVanta VPN Accelerator card plugs into a 32-bit PCI slot and is designed to be used in the
NetVanta 5305 to provide encryption/decryption and security acceleration services for the host processor. The
card is a 1U-high PC card with gold fingers to interface to a 3.3 V keyed PCI connector. It provides the
following security services to the host processor: DES, 3DES, AES, SHA-1, MD5, and random number
generation. The card is powered from the +3.3 V rail of the PCI Bus, and the power consumption of the card
will not exceed 2 watts.
• Power to the NetVanta 5305 DC system must be from a reliably grounded 48 VDC
SELV source.
• Use only copper conductors (minimum 14 AWG) when making power connections.
• The ground wire shall be fitted with a number 8 ring terminal and should be fastened
to the grounding lug on the back panel of the unit. The ring terminal shall be installed
using AMP P/N 59250 T-EAD crimping tool or equivalent.
• Install unit in accordance with the requirements of NEC NFPA 70.
• The branch circuit overcurrent protection shall be a fuse or circuit breaker rated
minimum 48 VDC, maximum 15 A.
• A readily accessible disconnect device, that is suitably approved and rated, shall be
incorporated in the field wiring.
• Maximum recommended ambient operating temperature is 50
°
C.
Instructions for Connecting DC Power Source to the NetVanta 5305
Step Action
1 With the power disconnected, connect the primary power source to input A of the power
connector.
2 Connect a ground wire (minimum 12 AWG) to the grounding point using the screw provided.
Connect the other end of the ground wire to a protective earth ground.
3 If using a backup power source, connect it to input B of the power connector.
The AOS Enhanced Feature Pack software is required to take advantage of the VPN
acceleration features of this card.