ADTRAN 1248 - Manual (Page 17)

61179641AL4-5B 1-1
Section 1
Introduction
GENERAL
The Total Access 1248 (see Figure 1-1 ) is a Digital Subscriber Line Access Multiplexer
(DSLAM) system that is used to further extend Asymmetrical Digital Subscriber Line (ADSL)
services in the network.
Figure 1-1. Total Access 1248
1
2
3
4
T1/ E1
5
6
7
8
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