ATLAS 550 System Manual Section 2, Engineering Guidelines
61200305L1-1F © 2002 ADTRAN, Inc. 29
4. REVIEWING THE REAR PANEL DESIGN
AC System
The ATLAS 550 (AC System) rear panel contains four slots for housing option modules which provide a
variety of additional resources and data ports. All slots are functionally identical. The ATLAS 550 also
contains two slots for housing network modules (see Figure 2).
Figure 2. ATLAS 550 (AC System) Rear Panel
DC System
The ATLAS 550 (DC System) rear panel contains four slots for housing option modules which provide a
variety of additional resources and data ports. All slots are functionally identical. The ATLAS 550 also
contains two slots for housing network modules (see Figure 3).
Figure 3. ATLAS 550 (DC System) Rear Panel
NETWORK 1 NETWORK 2
1
2
3
4
ETHERNET
CONTROL
IN OUT
RELAY
ALARM
OI
FUSE RATING: 2A/250V SLO-BLO
90-240VAC, 2A, 50/60Hz
NC
NO
COM
GND
ALL EMPTY SLOTS MUST BE
COVERED WITH BLANK PANELS
CAUTION: FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE ONLY
WITH SAME TYPE AND RATING OF FUSE.
MON
NETWORK
IN
OUT
IN
OUT
NETWORK
MON
T1 NETWORK MODULE
TEST
500 Series
Network Slots
Power
Switch
Supplemental
Earth
Ground Lug
AC Power
Receptacle
Alarm Relay
Connection
External Alarm Relay
Monitor Connection
Control
In
Control
Out
RJ-48C
Ethernet
10/100BaseT
Connection
Port
OI
Option Slots (1-4)
ALL EMPTY SLOTS MUST BE
COVERED WITH BLANK PANELS
1
2
O
I
31
42
CAUTION: FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE ONLY
WITH SAME TYPE AND RATING OF FUSE.
ETHERNET
CONTROL
RELAY
ALARM
MON
OUTIN
COMNONC GND
+Ð
USE COPPER CONDUCTORS ONLY
INPUT:
24Ð48V ,4A
FUSE:
5A/48VDC
NETWORK
IN
OUT
IN
OUT
NETWORK
MON
T1 NETWORK MODULE
TEST
500 Series
NETWORK 1
NETWORK 2
Option Slots (1-4)
upp
ementa
Earth
Ground Lug
Power
Switch
DC Power
Terminal
Block
Alarm
Relay Connection
External Alarm Relay
Monitor Connection
Control Out
Control In
RJ-48C
Ethernet
10/100BasetT
Connection Port
Network Slots
