Mitel SX-200 Documentation page 149

CON T ACT M ON I T OR
D e s c r i p t i o n
This feature allows a station line to be used for monitoring an alarm
contact. The contact to be monitored is connected across Tip and Ring
of a line. When the contact closes, the call is presented to the Atten-
dant as a Dial 0 call. On answering the call, the SOURCE display on the
console shows the extension number assigned to the contact and a
COS of AL An extension may be programmed as a Contact Monitor. If
the system is equipped with an optional reserve power supply, there
are provisions for an "on battery indicator". This indicator may activate
a Contact Monitor to alert the Attendant that the system is on battery
power (AC power failure). See MITL9105/91
Receiving and Installation.
C o n d i t i o n s
COS Option Number 58 (Contact Monitor), and Option Number 45
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(Receive Only) are mutually exclusive.
P r o g r a m m i n g
The COS assigned to the line (alarm contact) must include Op-
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tion Number 58 [Contact Monitor).
The contact signal is nonlatching; i.e., if the contact opens, the
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Dial 0 call will disappear from the Attendant Console.
O p e r a t i o n
None
SECT I ON MlTL9105/9110-096-105-NA
IO-096-200-NA, Shipping,
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