ADTRAN Total Access 3000 - Page 73

6TAENG201-1E
TOTAL ACCESS 3000/3010
ENG-201
Page 19 of 32
Total Access
®
3000/3010 System Manual
© 2002, ADTRAN, Inc.
Figure 4. X.25 Connections
TL1 Over X.25
(using another CO X.25 Connection)
Central Office Central Office
Synchronous
RS232 interface
up to 64 kps
Supports four (4)
Switched Virtual
Circuits (SVCs)
Synchronous RS-232
RS-485
Synchronous RS-232
H
S
T
C
R
A
F
T
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U
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P
1104003L3
O
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O
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(
R
x
)
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(
T
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X.25
X.25 Connection
NMA
Hekimian
TL1 Over X.25
(with X.25 Local Connection)
Central Office
Synchronous
RS232 interface
up to 64 kps
Supports four (4)
Switched Virtual
Circuits (SVCs)
H
S
T
C
R
A
F
T
S
C
U
H
S
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C
R
A
F
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U
X.25
X.25 Connection
NMA
Hekimian
D
S
U
D
P
1104003L3
O
F
F
O
F
F
O
F
F
O
F
F
O
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O
F
F
L
P
(
R
x
)
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U
T
(
T
x
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N
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4
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W
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