Introduction; Application Guidelines; Figure 2-1. Total Access 1248 Operational Scenario - ADTRAN Quad T1 IMA Installation And Maintenance Practice

Application Guidelines

INTRODUCTION

The Total Access 1248 provides 48 ADSL2+ plus POTS ports downstream to the subscriber,
one to four T1 IMA ports upstream to the network, local and remote management capabilities,
and front panel LEDs that indicate status.
the Total Access 1248.
Voice Switch or DLC Providing 1-48 POTS
POTS Ports 1-24
TOP:POTS BOTTOM: ADSL+POTS
24 Ports
Subscriber Subscriber

Figure 2-1. Total Access 1248 Operational Scenario

61179641AL1-5C
Section 2
POTS Ports 25-48
PORTS 1-24
TOP:POTS BOTTOM: ADSL+POTS
To Ground
Subscriber
Figure 2-1 illustrates an operational scenario for
Central Office or Remote Terminal
Quad IMA Providing 1-4 DS1s
1179641AL1
T1/E1 1-4
PWR
ALM
ETHERNET
PORTS 25-48
T1/E1
24 Ports
Subscriber
A A B B ALARM
-48V RET -48V RET
EXPANSION
CRAFT
USE COPPER CONDUCTORS ONLY!
OUT
-48V .....,5.0A
Power
FAN MODULE
1179675L1
2-1