61179641AL1-5C
2-1
Section 2
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.
illustrates an operational scenario for
the Total Access 1248.
Figure 2-1. Total Access 1248 Operational Scenario
ALARM
CRAFT
PWR
ALM
TOP:POTS BOTTOM: ADSL+POTS
PORTS 1-24
TOP:POTS BOTTOM: ADSL+POTS
PORTS 25-48
ETHERNET
OUT
EXPANSION
-48V .....,5.0A
USE COPPER CONDUCTORS ONLY!
T1/E1
A B
-48V RET -48V RET
A
B
FAN MODULE
1179675L1
1179641AL1
T1/E1 1-4
Power
To Ground
24 Ports
ADSL2+ Plus POTS
Subscriber
Subscriber
24 Ports
ADSL2+ Plus POTS
Subscriber
Subscriber
POTS Ports 1-24
POTS Ports 25-48
Voice Switch or DLC Providing 1-48 POTS
Quad IMA Providing 1-4 DS1s
Central Office or Remote Terminal
