ADTRAN ADT-1234POE Switch User Manual


 
Unit Installation NetVanta 1000/1000R Series Hardware Installation Guide
56 Copyright © 2008 ADTRAN, Inc. 61200500L1-34N
Supplying Power to the Unit
NetVanta 1000 and 1000R Series AC-Powered Units
The AC-powered NetVanta 1000 and 1000R Series units come equipped with an auto-sensing 100 to 250 VAC,
50/60 Hz power supply for connecting to a properly grounded power receptacle. (A detachable power cable with
a grounded, three-prong plug comes with the shipment.) To power these units, connect the power cable to an
appropriate AC power source.
NetVanta 1224STR (DC)
The DC-powered NetVanta 1224STR connects to a centralized DC power source via the four-position power
connector on the rear of the chassis (see Figure 37 on page 57). Power and ground connections require copper
conductors and a ring lug.
Instructions for Connecting DC Power Source to the NetVanta 1224STR
Step Action
1 With the power disconnected, connect the primary power source to input A of the power
connector.
2 Connect a ground wire (fitted with a loop terminal end) to the grounding point using the screw
provided. Connect the other end of the ground wire to a protective earth ground. See Figure 37
on page 57.
3 If using a backup power source, connect it to input B of the power connector.
Power to the NetVanta 1224STR DC System must be from a reliably grounded 24 or
48 VDC.
Use only copper conductors when making power connections.
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 10 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.
The 10/100BaseT and Gigabit Ethernet interfaces MUST NOT be metallically connected
to interfaces that connect to the Outside Plant or its wiring. These interfaces are designed
for use as intra-building interfaces only. The addition of primary protectors is not
sufficient protection in order to connect this interface metallically to OSP wiring.