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GENERAL INFORMATION
Class Of Service (COS) programming consists of
setting the Class Of Service (COS) operating con-
ditions. COS programming is divided into the fol-
lowing three major categories: System COS, tine
COS, and Station COS.
All COS programming commands must originate at
station 10. No COS programming commands can
be accepted from any other station connected to the
system. COS programming causes station 10 to
default to a square condition (line select key 1
selects line 1, key 2 selects line 2, etc.). It is recom-
mended that station 10 always remain in a square
conditionto avoid possible programming confusion.
COS programming does not require that a sequen-
tial process be followed once the base level
program entry mode has been established except
where noted herein.
The system defaults to preset characteristics when
it is initially powered up or whenever programmed
to do so. If the default characteristics, or any other
previously set characteristics, are satisfactory,
those portions of the programming sequence may
be omitted.
Prior to taking any programming action, record the
system, line and station COS conditions on Table
and 3-3 (included at the end of this chap-
ter). Also, record all toll restdction requirements on
Table 3-4.
THE PROGRAMMING STEPS MUST BE PER-
FORMED WITH LESS THAN 17 SECONDS OF
DELAY TIME BETWEEN KEYSTROKE OPERA-
TIONS. A delay of longer that 17 seconds causes
the KSU programming mode to time out.
Flgure 3-3 found at the end of this chapter provides
a quick-reference flow diagram of the class of ser-
vice programming requirements.
Programming is the same for both the model 0616X
and 0816X key systems. The only difference be-
tween these two models is the number of lines
which each serves (six or eight).
BASE LEVEL PROGRAM ENTRY MODE
The first step in a COS programming sequence is to
enter the base level programming mode. Once in
this mode, COS can be set as desired.
2. Press the following keys in sequence: 8 7 4 6.
The dial tone stops and a tone burst sounds to in-
:
CHAPTER 3
SYSTEM PROGRAMMING
3 .
The system can be defaulted to a standard class of
service per the following procedure.
1. Press ITCM.
2 . Press the following keys: * 7 4 6 * # 0 *
3. Press MONITOR.
The following system default conditions are set:
Figure 3-l illustrates the programming keys called
out in the following procedures.
entered.
Press *. The dial tone will return as a confirma-
tion that the base level mode is active.
CLASS OF SERVICE DEFAULT
All lines are DTMF
Voice signalling attempted first when inter-
com call is made
2 sec. dial tone recall time
30 sec. recall from hold
All lines private
All lines are CO lines
No toll restriction set
300 msec. held call abandon time
No ringing line preference enabled
No prtme line is chosen
PA port is disabled
No delayed ringing enabled
No access denied
No origination denied
No automatic privacy released
Day and night ringing patterns set as follows:
System-wide, all call paging in zone D
Printer port set for 110 baud data rate
Line select keys l-n selects lines l-n
(squared pairing)
PROGRAMMING KEYS
System
Programming
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