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Total Access 1248 Quad T1 IMA 48-Port DSLAM with Modem 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 (e.g., P/N 1179641AL1) 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.
OUT,
The Total Access 1248 provides the network connection for all of the client units. All provi-
sioning 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 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
TOP:POTS
BOTTOM: ADSL+POTS
PORTS 25-48
TOP:POTS
BOTTOM: ADSL+POTS
PORTS 25-48
TOP:POTS
BOTTOM: ADSL+POTS
PORTS 25-48
TOP:POTS
BOTTOM: ADSL+POTS
PORTS 25-48
Figure 2-2. Expansion Cabling
jacks continue until a total of up to
1179641AL1
T1/E1 1-4
PWR
ALM
EXPANSION
ETHERNET
OUT
T1/E1
1179641L5
PWR
ALM
EXPANSION
EXPANSION
IN
OUT
1179641L5
PWR
ALM
EXPANSION
EXPANSION
IN
OUT
1179641L5
PWR
ALM
EXPANSION
EXPANSION
OUT
IN
Figure
2-2). One of the
EXPANSION IN
EXPANSION
FAN MODULE
1179675L1
A
A
B
B
ALARM
-48V RET -48V RET
CRAFT
USE COPPER CONDUCTORS ONLY!
-48V .....,5.0A
FAN MODULE
1179675L1
A
B
-48V RET -48V RET
CRAFT
USE COPPER CONDUCTORS ONLY!
-48V .....,5.0A
FAN MODULE
1179675L1
A
B
-48V RET -48V RET
CRAFT
USE COPPER CONDUCTORS ONLY!
-48V .....,5.0A
FAN MODULE
1179675L1
A
B
-48V RET -48V RET
USE COPPER CONDUCTORS ONLY!
CRAFT
-48V .....,5.0A
61179641AL1-5C
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