User Manual
SUPM1
page 40 of 94© KEYMILE December 2015 EN/LZTBU 372 129/1 RC
94
Functional Description
It is not possible to set two identical CAS patterns for the signalling of one
direction.
In the CAS pattern comparison, a “x” in a CAS pattern from the exchange
counts for “0” and “1”, e.g. 1101 and 1x01 are not allowed.
Signalling patterns with all “0” or all “1” are not allowed.
In the Phone-Exchange mode of operation the
• Blocked port line feed function is fix disabled,
• Metering pulse function towards the subscriber can be enabled or disa-
bled,
• Pulse on answer function is disabled,
• Polarity reversal function towards the subscriber can be enabled or disa-
bled.
1 0 1 1 Metering pulse -
1 1 0 1 Ringing -
Table 31: Phone-Exchange mode default signalling (continued)
CAS bit State
a b c d from exchange towards exchange
To Next Page
Loading...