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Biphase
LTC 8780 Series
Control
Data
Code
Converter Unit
LTC 8780 DIP Switch Settings
S101: 1 Baud, 2 Baud, 3 X, 4 X
S102: 1 On, 2 On, 3 On, 4 Off
S103: 1 X, 2 X, 3 X, 4 X
S104: 1 X, 2 X, 3 X, 4 X
S105: 1 On, 2 On, 3 ---> Set Per
Modem Requirements, 4 X
X = Don't Care
Biphase
LTC 8780 Series
Control
Code
Converter Unit
LTC 8780 DIP Switch Settings
S101: 1 Baud, 2 Baud, 3 X, 4 X
S102: 1 On, 2 On, 3 On, 4 Off
S103: 1 X, 2 X, 3 X, 4 X
S104: 1 X, 2 X, 3 X, 4 X
S105: 1 On, 2 On, 3 --> Set Per Modem
Requirements, 4 X
X = Don't Care
CODE
OUTPUT
®
Philips
is a registered trademark of Philips Electronics North America Corporation.
3935 890 04911 98-10
RS-232
Modem
(Originate)
RS-232
Port
Site A (Call
Originating Site)
Figure 9: Detail A - Dial-Up Phone Modem Configuration
RS-232
Data
Modem
(Originate)
RS-232
Port
Site A
(Originating Site)
Figure 10: Detail B - Dedicated Direct-Wire Configuration
Figure 11: Front Panel
Figure 12: Rear Panel
Data subject to change without notice
Standard Dial-Up Telephone Line
LTC 8780 DIP Switch Settings
S101: 1 Baud, 2 Baud, 3 Off, 4 X
S102: 1 On, 2 On, 3 On, 4 Off
S103: 1 X, 2 X, 3 X, 4 X
S104: 1 X, 2 X, 3 X, 4 X
S105: 1 Off, 2 X, 3 X, 4 X
X = Don't Care
Direct Wire or Dedicated Phone Line
LTC 8780 DIP Switch Settings
S101: 1 Baud, 2 Baud, 3 X, 4 X
S102: 1 On, 2 On, 3 On, 4 Off
S103: 1 X, 2 X, 3 X, 4 X
S104: 1 X, 2 X, 3 X, 4 X
S105: 1 On, 2 Off, 3 ---> Set Per Modem
Requirements, 4 X
X = Don't Care
RS-232 IN
CODE OUT
CONSOLE
Printed in U.S.A.
© 1998 by Philips Communication & Security Systems Inc. All Rights Reserved.
RS-232
LTC 8780 Series
Modem
(Auto Answer)
Converter Unit
RS-232
Port
Site B (Call
Receiving Site)
RS-232
LTC 8780 Series
Data
Modem
(Answer)
Converter Unit
RS-232
Port
Site B
(Receiving Site)
CODE IN
RS-232 OUT
CODE IN- SHIELD CODE IN+
RS-232
S933A29AE
Biphase
Control
Data
Code
S933A26AE
Biphase
Control
Code
S933A27AE
ON
S933A28AE
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