ATLAS 550 System Manual - Adtran

Section 3 Network Turnup Procedure ATLAS 550 System Manual
6. SUPPLYING POWER TO THE UNIT
AC-Powered Systems
The AC-powered ATLAS 550 comes equipped with a detachable 6-foot power cord with a 3-prong plug
for connecting to a grounded power receptacle. As shipped, the ATLAS 550 is set to factory default
conditions. To power-up the unit, ensure that the unit is properly connected to an appropriate power source
and turn on the unit using the on/off switch on the back panel.
DC-Powered Systems
• Power to the ATLAS 550 AC system must be from a grounded 90-130/190-240 VAC,
50/60 Hz source.
• The power receptacle uses double-pole, neutral fusing.
• Maximum recommended ambient operating temperature is 45 oC.
The DC-powered ATLAS 550 comes equipped with a DC power supply to furnish the voltages necessary
for proper backplane operation. As shipped, the ATLAS 550 is set to factory default conditions. After
installing the unit and any option modules, the ATLAS 550 is ready for power-up.
• Power to the ATLAS 550 DC system must be from a reliably grounded -48 VDC or
+24 VDC source which is electrically isolated from the AC source.
• Install this unit in accordance with Article 400 and 364.8 of the NEC NFPA 70.
• The branch circuit overcurrent protection shall be a fuse or circuit breaker rated
minimum 60 VDC, maximum 10A.
• A readily accessible disconnect device that is suitably approved and rated shall be
incorporated in the field wiring.
• Maximum recommended ambient operating temperature is 45ºC.
7. INSTALLING NETWORK AND OPTION MODULES
Figure 2 shows the option slot numbering designation as viewed from the back of the ATLAS 550.
ALL EMPTY SLOTS MUST BE
COVERED WITH BLANK PANELS
1
2
NETWORK 1
500 Series
1 3
500 Series
2 4
Figure 2. ATLAS 550 Slot Designation (Back Panel)
O I
56 © 2004 ADTRAN, Inc. 61200305L2-1B
NETWORK 2
Ntwk 1 Ntwk 2
500 Series
3
4
500 Series
500 Series
500 Series
ADMIN
90-240VAC, 2A 50/60Hz
FUSE RATING: 2A/250V SLO-BLO
ETHERNET
RELAY ALARM
MON NC NO COM
CAUTION: FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE ONLY
WITH SAME TYPE AND RATING OF FUSE.