Section 2, application guidelines, Introduction, Section 2 application guidelines -1 – ADTRAN 1248 User Manual
Page 23: Introduction -1, Figure 2-1, Total access 1248 operational scenario -1, Adsl2+ plus pots
61179641AL4-5B
2-1
Section 2
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.
illustrates an operational scenario
for the Total Access 1248.
Figure 2-1. Total Access 1248 Operational Scenario
FAN MODULE
1179675L1
ALARM
CRAFT
PWR
ALM
1179641AL4
TOP:POTS BOTTOM: ADSL+POTS
PORTS 1-24
TOP:POTS BOTTOM: ADSL+POTS
PORTS 25-48
ETHERNET
OUT
EXPANSION
T1/E1 1-8
-48V .....,5.0A
USE COPPER CONDUCTORS ONLY!
T1/E1
A
B
-48V RET
-48V
RET
5
6
7
8
A
POTS Ports 1-24
POTS Ports 25-48
Voice Switch or DLC Providing 1-48 POTS
Octal IMA Providing 1-8 DS1s
Central Office or Remote Terminal
Power
To Ground
24 Ports
ADSL2+ Plus POTS
Subscriber
Subscriber
24 Ports
ADSL2+ Plus POTS
Subscriber
Subscriber