Provisioning guidelines 3-19
Non-blocking configura‘tion with Superloop Network
For non-blocking applications (or non-blocking part of the system),
provide
one superloop per 120 Terminal Numbers (INS). Each line or trunk is one
TN except that an integrated voice and data line is two TNs (assuming dam
port is configured).
Blocking configuration with Superloop Network
For applications where blocking is allowed, one superloop can serve up to
512 lines (1024 TNs). The actual number of lines will depend on the traffic
requirement of the lines.
Enhanced Network Cards (QPC414)
The traffic carried by Enhanced Network Cards includes the data traffic,
RPE traffic, and DTI/PRI traffic (which includes both the data and voice
traffic).
Provide separate loops for RPE and DTI/PRI traffic. Based on 85%
utilization, the number of loops required is calculated as follows:
Number of loops =
Traffic reauired to be carried bv Enhanced Network Cards
560
Number of Enhanced Network Cards = Number of
100~s
2
The value obtained should be rounded to the next higher number.
DTI/PRI cards
Digital Trunk Interface Cards (DTIs) provide the interface between the SL-1
switch and the
T-l/IX
1 Digital transmission trunks. Digital trunks are
offered in the group of 24 trunks. The number of DTI Cards required can
be found from Table 3-5 when the DTUPRI traffic is known.
Note:
The number of DTI/PRI loops = number of DTI/PRI cards
System engineering 553-3001-151