NEC Univerge SV8500 Operation And Maintenance Manual page 653

ITEMS FOR STATUS
SUPERVISION
8
Detection of Release at the
time of Outgoing
Connection
ITEMS FOR STATUS
SUPERVISION
1
Sender Acknowledge Wait
Timer
2
Sender Prepause Timer
3
Sender Inter-digit Timer
CHAPTER 5
CONDITIONS FOR SUPERVISION
• Loop System
Detection of polarity reversal across tip and
ring.
• E&M System
Detection of Release Signal (ground or
–48V) on E lead.
Table 5-5 Timings for Senders
CONDITIONS FOR SUPERVISION
Timing limit for waiting to receive connection
acknowledgement signal from the opposite
office after seizing the opposite office.
Time from sender seizure until sending of the
1st digit where connection acknowledgment is
made by interface with the opposite office.
Inter-digit timing for the numbers sent out by
the sender.
– 606 –
Operation Procedure for System with PIR
TIMING SPECIFICATIONS
608 milliseconds (standard)
Timing can be assigned using the
ARTD command.
TIMING SPECIFICATIONS
4 seconds (standard)
Timing can be assigned using the
ASYD, SYS1, INDEX 130 command.
DP: 3 seconds (standard)
PB: 2.5 seconds (standard)
Timing can be assigned using the
ASYD, SYS1, INDEX 131 command.
• For DP
10 pps: 860 milliseconds
(standard)
20 pps: 460 milliseconds
(standard)
Timing can be assigned using the
ASYD, SYS1, INDEX. 132
command.
• For PB
60/120 milliseconds (selected by
ONSG of ARTD command.)
Timing can be changed using the
ASYD, SYS1, INDEX 133
command.