Optional City Tie/Leased Line; Dact Wiring - Siemens FC901-U3 Installation, Operation And Maintenance Manual

Optional City Tie/Leased Line

FC901 provides one city tie or two leased lines to connect with local energy and polarity
reversal.
City tie and Leased line
Supervised, Power Limited
City tie
Leased line

DACT Wiring

FC901 will provide two connections to Public Switched Telephone Network (PSTN).
Panel
CT_P
CT_N
LL_SP
LL_SN
CT_P
CT_N
LL_SP
LL_SN
RJ31X
RJ31X
+
Master Box
-
leased line
+
alarm/trouble
detection circuit
-
+
leased line
supervisory
-
detection circuit
Telephone line #1
Optional output to tel
Telephone line #2
Optional output to tel
44