ATLAS 550 (DC SYSTEM) P/N 1200550L2
For more detailed documentation, visit us online at www.adtran.com
Quick Start Guide
Quick Start Guide, 61200550L2-13A, June 2003 Technical Support 1-888-4ADTRAN (1-888-423-8726) 2003 ADTRAN, All Rights Reserved
Connecting to the ATLAS 550
To access the terminal menus and management features of the ATLAS 550,
connect the unit to a VT100 terminal (or VT100 terminal emulator) via the
C
RAFT
interface on the front panel or the A
DMIN
interface on the rear panel.
Perform Steps Below in the Order Listed:
1. Configure a VT100 terminal (or terminal emulation software) with the
following settings:
If the terminal has a parallel setting, disable it and use serial.
2. Connect an appropriate cable into the ATLAS 550 C
RAFT
or A
DMIN
port, and
connect to the VT100 terminal.
3. Initiate a terminal session and the L
OGIN
screen displays. The default
password is password. (Passwords in the ATLAS 550 are case sensitive.)
Data Rate: 9600 baud
Data Bits: 8
Parity Bits: None
Stop Bits: 1
Flow Control: None
Network
Module LEDs
Option Module LEDs
Craft Interface
ACO
Switch
Craft Pinout
System Status LEDs
The System Status LEDs display the status of the power supply, controller, and
other system conditions for the ATLAS 550. For a more detailed discussion of
the front panel LEDs, refer to Section 2, Engineering Guidelines, of the ATLAS
550 System Manual.
PIN NAME DESCRIPTION
1, 4, 6-9 N/A Not Connected
2 RD Receive Data (output)
3 TD Transmit Data (input)
5 SG Signal Ground
LED Description
Power Indicates the status of the power supply.
System Indicates the status of the unit controller and other system conditions.
Ethernet Indicates the status of the Ethernet port.
Remote Indicates whether a user (Telnet or VT100) is logged in to the unit.
Reviewing the Front Panel
System Status
LEDs
ATLAS 550 (DC SYSTEM) P/N 1200550L2
For more detailed documentation, visit us online at www.adtran.com
Quick Start Guide
Quick Start Guide, 61200550L2-13A, June 2003 Technical Support 1-888-4ADTRAN (1-888-423-8726) 2003 ADTRAN, All Rights Reserved
O
I
ALL EMPTY SLOTS MUST BE
COVERED WITH BLANK PANELS
500 Series
500 Series
500 Series
CAUTION: FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE ONLY
WITH SAME TYPE AND RATING OF FUSE.
ETHERNET
ADMIN
RELAY
ALARM
MON
COMNONC
500 Series
NETWORK 2
NETWORK 1
500 Series
500 Series
1
2
3
4
DC Power Connection
Option Module Slots
Alarm Relay
Connection
Network Module Slots
10/100BaseT Ethernet
Admin Port
External Relay Connection
Reviewing the Rear Panel
Admin Interface Pinout
10/100BaseT Ethernet Interface Pinout
External Relay Connection Pinout
PIN NAME DESCRIPTION
1 SG Signal Ground
2 RTS Request to Send (output), follows CTS
3 TD Transmit Data (input)
4 DTR Data Terminal Ready (output), +12 V
5 RD Receive Data (output)
6 DCD Data Carrier Detect (input)
7 — Not Connected
8 CTS Clear to Send (input)
PIN NAME DESCRIPTION
1 TX1 Transmit Positive
2 TX2 Transmit Negative
3 RX1 Receive Positive
4,5 — Unused
6 RX2 Receive Negative
7, 8 — Unused
PIN NAME DESCRIPTION
1 Alarm Out Outputs EIA-232 level signal for connection to external alarm contacts.
2 Alarm In Monitors signal coming from external alarm contacts.
Alarm Relay Connection Pinout
DC Power Supply Connection
PIN NAME DESCRIPTION
1 Normally Closed (NC) Opens when a selected alarm condition is present.
2 Normally Open (NO) Closes when a selected alarm condition is present.
3 Common (COM) Common connection between external circuitry and NC or
NO terminal.
4 Chassis Ground (GND)
PIN NAME +24 VDC Sorce -48 VDC Sorce
1 + +24 VDC Ground (GND)
2 - Ground (GND) -48 VDC
Connecting Power to the ATLAS 550
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.
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