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. Figure 2-1 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
SubscriberSubscriber
24 Ports
ADSL2+ Plus POTS
SubscriberSubscriber
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