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

Application Guidelines

INTRODUCTION

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

Figure 2-1. Total Access 1248 Operational Scenario

61179641L4-5B
Section 2
POTS Ports 25-48
TOP:POTS BOTTOM: ADSL+POTS
To Ground
Subscriber Subscriber
Figure 2-1 illustrates an operational scenario
Central Office or Remote Terminal
Octal IMA Providing 1-8 DS1s
1179641L4
T1/E1 1-8
5 7
PWR
ALM
6 8
PORTS 25-48 ETHERNET
T1/E1
24 Ports
A A B ALARM
-48V RET -48V RET
EXPANSION
CRAFT
USE COPPER CONDUCTORS ONLY!
OUT
-48V .....,5.0A
Power
FAN MODULE
1179675L1
2-1