Appendix d block diagram – Patton electronic 2020N User Manual
Page 7

APPENDIX D
BLOCK DIAGRAM
TD-A
RD-A
TD-B
RD-B
P
R
S
T
TD
RD
2
3
RD
TD
3
2
RD-A
TD-A
RD-B
TD-B
R
P
T
S
TC-A
XC-A
XC-B
Y
U
W
XC
TC
24
15
TC
XC
15
24
RS-232
V.35
AA
AA
TC-B
XC-A
TC-A
TC-B
U
Y
XC-B
RC-A
W
V
RC
17
RC-B
X
RTS
CTS
C
D
V.35
RTS
CTS
4
5
RS-232
DCD
DTR
FG
F
H
A
V.35
DCD
DTR
FG
8
20
1
RS-232
+5V
-5V
POWER SUPPLY
AND
CTS
RTS
XC
TC
24
15
4
5
DTR
DCD
DSR
6
8
20
DATA
SWITCHING
REGULATOR
+V
SG
7
PATTON ELECTRONICS MODEL 2020 BLOCK DIAGRAM
SG
B
AUGUST 12, 1994 REV. D
DSR
6
DSR
E
V.35 DRIVER
DIFFERENTIAL
AMPLIFIER
V.35 DRIVER
DIFFERENTIAL
AMPLIFIER
DIFFERENTIAL
AMPLIFIER
V.35 DRIVER
Dear Valued Customer,
Thank you for purchasing Patton Electronics products! We do
appreciate your business. I trust that you find this user manual helpful.
We manufacture one of the widest selections of data
communications products in the world including CSU/DSU's, network
termination units, powered and self-powered short range modems, fiber optic
modems, interface converters, baluns, electronic data switches, data-line surge
protectors, multiplexers, transceivers, hubs, print servers and much more. We
produce these products at our Gaithersburg, MD, USA, facility, and can
custom manufacture products for your unique needs.
We would like to hear from you. Please contact us in any of the
following ways to tell us how you like this product and how we can meet your
product needs today and in the future.
Web:
http://www.patton.com
Sales E-mail:
Support E-mail: [email protected]
Phone - Sales
(301) 975-1000
Phone - Support
(301) 975-1007
Fax:
(301) 869-9293
Mail:
Patton Electronics Company
7622 Rickenbacker Drive
Gaithersburg, MD 20879 USA
We are committed to a quality product at a quality price. Patton
Electronics is BABT and ISO 9001 certified. We meet and exceed the highest
standards in the industry (CE, UL, etc.).
It is our business to serve you. If you are not satisfied with any
aspect of this product or the service provided from Patton Electronics or its
distributors, please let us know.
Thank you.
Burton A.Patton
Vice President
P.S. Please tell us where you purchased this product
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