Mitel sx-100 User Manual page 107

The system responds to hookswitch flashes with a duration of between 200 ms and a
programmable maximum
Transfer/Consultation Hold/Add-On
An open tip lead condition of 500 ms (optional 50 ms) or more on a CO trunk will release
the system connection.
Momentary open loop conditions of up to 350 ms (optional 40 ms) generated by the
Central Office on outgoing system calls, will not release system calls.
System station hookswitch flashes will not be repeated towards the Central Office.
System station on-hook conditions will release a trunk connection after the selected flash
time.
Station Loop. The station loop range, including the station apparatus can be up to a
maximum of 1200 ohms.
The SUPERSET 4 set loop limit = 200 ohms.
Supervisor Console Range. The Supervisor console can be remotely connected from the
cabinet..up to a maximum of 300 m (1000 ft) with 26 AWG cable.
CO Trunk Group. The system will operate with CO trunks up to a maximum of 1600 ohms
loop resistance.
CO Trunk Seizure. The system nominal seizure resistance is 270 ohms at 30 mA.
CO Trunk Resistance. In the idle state, the resistance towards the system from the trunk
circuit is 20 kohms tip to ground and 20 kohms ring to ground for ground starts, and not
less than 10 Mohms for loop start trunks.
Tie Trunk Resistance. The maximum resistance towards the tie trunk is:
TABLE Bl-10
SUPERVISORY DATA
time (0.7, 0.9, 1.1
features.
SECTION MITL9105/911
or 1.5 s) in order to activate the
Page B-11