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T1 Modem Bank
26
To connect the EPC/X host adapter to the T1 Modem Bank(s) via modems, follow the example in Figure 14.
Figure 14
Local and Remote T1 Modem Bank Units
'% , $1    5(9
61
T M
T M
T M
T M
T M
T M
T M
/LQH 
/LQH 
(3&; +RVW $GDSWHU
6'
5'
&'
2+
75
0RGHP 7HFK
)$67 0RGHP 9
6'
5'
&'
2+
75
0RGHP 7HFK
)$67 0RGHP 9
6\QFKURQRXV 0RGHPV
6\QFKURQRXV PRGHP FDEOH
KRVW DGDSWHU WR PRGHP
To connect the EPC/X host adapter to a system comprised of EPC/CON-16 Concentrators and T1 Modem Banks,
follow the example in Figure 15.
Figure 15
EPC/X Host Adapter Connected to Concentrators and T1 Modem Bank Units
'%, $1    5(9
61
TM
(3&; +RVW $GDSWHU
7'
5'
576
&76 '65 '&' '75
5, 2 )& ,)&
 
(3&&21 
7'
5'
576
& 76 '65 '&' '75
5, 2 )& , )&
 
(3&&21 
7'
5'
576
&76 '65 '&' '75
5 , 2)& ,)&
(3&&21 
(3& &RQFHQWUDWRU
(3& &RQFHQWUDWRU
(3& &RQFHQWUDWRU
7 0RGHP %DQN
6WDQGDUG GDLV\ FKDLQ FDEOH ZLUH GLUHFW RU ZLUH GLUHFW
Because existing EPC concentrators are assigned node numbers by the host each time the
software is booted, the EPC concentrators must be electrically closest to the EPC/X host
adapter, and any added T1 Modem Bank units must follow the EPC concentrators in the daisy
chain.
When you complete connecting the EPC/X host adapter to the T1 Modem Banks, follow the instructions in
“Software Installation and Configuration” on page 27.