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7-112
ADMINISTRATION OPTIONS AND REQUIREMENTS — SYSTEM 75
Trunk Group/Trunk Group Members
For System 75 R1V2 and R1V3, there are three applications for a DS1 (tie and DMI); refer to table
7-6, Equipment Parameters and Permitted Translation Encodes.
The DS1 tie trunks are defined by using Page 1 of the
TRUNK GROUP screen; this is the same as for
analog tie trunk groups. Trunk members are added to the
GROUP MEMBER ASSIGNMENTS screen (pages 2
through 5). This series of screens administers many of the same parameters as procedures 100 and
101 do for System 85. Figure 7-57, Trunk Group Screen, depicts this procedure.
TRUNK GROUP
Page 1 of 11
Group Number:
Group Name:
Direction:
MIS Measured?
Dial Access?
Queue Length:
Comm Type:
__
OUTSIDE
two-way
n
y
0
voice
Group Type:
CALL
COR:
Outgoing Display?
Busy Threshold:
Internal Alert?
Auth Code?
tie
1
n
99
n
n
SMDR Reports?
TAC:
Data Restriction?
Night Service:
Incoming Destination?
y
114
n
____
_
TRUNK PARAMETERS
Trunk Type (in/out):
Outgoing Dial Type:
Digit Treatment:
Connected to Toll?
Incoming Dial Tone?
_____________
tone____
__________
n
SST Loss:
y
Incoming Rotary Timeout(sec):
Incoming Dial Type:
Digits:
normal
DTT to DCO Loss:
5_
tone__
_____
normal
Bit Rate:
1200 Synchronization:
async Duplex:
full
Answer Supervision Timeout?
10
Figure 7-57. Trunk Group Screen, Page 1
Most fields require no unusual entries for DS1 tie trunk applications. Only those that may require
special attention are mentioned.
Comm Type The default is voice with avd and data being the alternate selections.
NOTE: Trunk groups that are administered avd require that the DS1 also be
administered for common-channel signaling (24th). Furthermore, if avd is
translated; then Bit Rate, Synchronization, and Duplex fields are displayed.
These three fields enable the trunk group to function with a modem pool. A
Data Originate code is required to start a modem pool call. The avd option is
equivalent to translating System 85 procedure 101, field 17, with a 1.