Expansion; Figure 2-2. Expansion Cabling - ADTRAN Total Access 1248 Installation And Maintenance Practice

Total Access 1248 Octal T1 IMA DSLAM Installation and Maintenance Practice

EXPANSION

Up to four Total Access 1248 systems can be connected together (see
units must be a Total Access 1248 host unit (P/N 1179641L4) and the others are Total Access
1248 client units (P/N 1179641L5).
The client units (also referred to as Expansion units) have RJ-45 jacks, labeled
and , for the purpose of expanding one to another.
EXPANSION OUT
The Total Access 1248 host unit provides the network connection for all of the client units. All
provisioning for the clients is completed through the host unit.
Beginning with the host, a Category 5e, non-crossover cable is connected from the
jack of the host unit to the
OUT
between client unit
EXPANSION OUT
three client units have been connected with the third client unit having only a connection to
the jack.
EXPANSION IN
Host
TOP:POTS BOTTOM: ADSL+POTS PORTS 1-24
Client 1
TOP:POTS BOTTOM: ADSL+POTS PORTS 1-24
Client 2
TOP:POTS BOTTOM: ADSL+POTS PORTS 1-24
Client 3
TOP:POTS BOTTOM: ADSL+POTS PORTS 1-24
2-2
jack of the first client unit. Further connections
EXPANSION IN
jacks to
EXPANSION IN
PWR
ALM
TOP:POTS BOTTOM: ADSL+POTS PORTS 25-48
PWR
ALM
TOP:POTS BOTTOM: ADSL+POTS PORTS 25-48
PWR
ALM
TOP:POTS BOTTOM: ADSL+POTS PORTS 25-48
PWR
ALM
TOP:POTS BOTTOM: ADSL+POTS PORTS 25-48

Figure 2-2. Expansion Cabling

Figure
jacks continue until a total of up to
1179641L4
A A
T1/E1 1-8
-48V RET -48V RET
5 7
6 8
EXPANSION
ETHERNET USE COPPER CONDUCTORS ONLY!
OUT
T1/E1
-48V .....,5.0A
1179641L5
A
-48V RET -48V RET
EXPANSION EXPANSION
USE COPPER CONDUCTORS ONLY!
IN OUT
-48V .....,5.0A
1179641L5
A
-48V RET -48V RET
EXPANSION EXPANSION
USE COPPER CONDUCTORS ONLY!
IN OUT
-48V .....,5.0A
1179641L5
A
-48V RET -48V RET
EXPANSION EXPANSION
USE COPPER CONDUCTORS ONLY!
IN OUT
-48V .....,5.0A
2-2). One of the
EXPANSION IN
EXPANSION
FAN MODULE
1179675L1
B ALARM
CRAFT
FAN MODULE
1179675L1
B
CRAFT
FAN MODULE
1179675L1
B
CRAFT
FAN MODULE
1179675L1
B
CRAFT
61179641L4-5B