Instruction manual
Key System Form 2c
System Numbering —
Line Jacks
Music-on-Hold, 
Logical ID
Source
Maintenance Alarm, 
Logical ID
Loudspeaker Page, 
Logical ID
Loop-Start Reliable Disconnect
❑ No  ✦
❑ Yes
Toll Prefix
Outmode
Not
Short Hold
Line Type
Rotary
Needed for
Disconnect
Logical
Jack Type (LS, Line
(Basic LS,
Telephone Number or
Dial
LD
Interval
ID
GS, Tie, DS1)
Number
WATS, FX, etc.)
Equipment
Yes
No 
✦
Yes
No 
✦
Yes
No 
✦
1
801
2
802
3
803
4
804
5
805
6 806
7
807
8
808
9
809
10
810
11
811
12
812
13
813
14
814
15
815
16
816
17
817
18
818
19
819
20 820
21
821
22
822
23
823
24
824
25
825
26 826
27
827
28 828
29
829
30 830
31
831
32 832
33
833
34
834
35
835
36
836
37
837
✦ 
Factory Setting
1










