Customer Premises Equipment (CPE)
F1250T
Tip
P3100SB
or
P3100EB
To Protected
Components
Ring
Figure 3.1 Basic CPE Interface
Transmit / Receive
F1250T
Tip
+
-
P3100SB
or
P3100EB
Ring
-
+
Ring
Detect
Figure 3.2 Transformer Coupled Tip and Ring Interface
F1250T
Tip
Relay
Transmit/
Receive
Circuitry
P3100SB
or
P3100EB
Ring
Ring
Detect
Figure 3.3 Modem Interface
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© 2002 Teccor Electronics
®
SIDACtor Data Book and Design Guide