Specifications

- viii -
AS/CA S002:2010 COPYRIGHT
OCTOBER 2010
APPENDICIES
A PSTN SERVICE TONE CHARACTERISTICS 59
B CE FOR EXCLUSIVE USE WITH CSS 61
C AUTOMATIC STUTTER DIAL TONE DETECTION 62
D DISTINCTIVE RING 64
FIGURES
FIGURE 1 Test circuit for seizure state 43
FIGURE 2 Test circuit for hold state 43
FIGURE 3 PSTN connections for 600 Type and ANSI/TIA-968-A-2002 sockets 44
FIGURE 4 Signal Power Levels limits above 3.4 kHz 45
FIGURE 5 Reference impedance (TN12) for impedance measurement 45
FIGURE 6 Test circuit for ring voltage under fault conditions 46
FIGURE 7 Test circuit for DC flowing during ring 46
FIGURE 8 Operating range of 12 kHz meter signal detector 47
FIGURE 9 Seizure state limits 48
FIGURE 10 Hold state limits 48
FIGURE 11 Decadic pulse test circuit 49
FIGURE 12 Decadic pulse waveshape measurement 49
FIGURE 13 Impedance or return loss measurement 50
FIGURE 14 Impedance balance measurement 50
FIGURE 15 Insertion loss measurement 51
FIGURE 16 Noise measurement – psophometric and unweighted 51
FIGURE 17 Single frequency noise measurement 52
FIGURE 18 Impulsive noise measurement 52
FIGURE 19 Test circuit for REN determination 53
FIGURE 20 Test circuit – 12 kHz meter signal detection sensitivity 53
FIGURE 21 Test circuit – DTMF level 54
FIGURE 22 Artificial lines 55
FIGURE 23 Test circuit – tone level (other than DTMF) 56
FIGURE 24 Test circuit – measurement of impedance for series equipment
at ringing frequencies 56
FIGURE 25 Test circuit – fault in hold state 57
FIGURE 26 Longitudinal power level limits 57
FIGURE 27 Test circuit for measurement of longitudinal power level 58
FIGURE D1 28 Distinctive ring cadences 67
TABLES
TABLE 1 Standard ten-pushbuttons keypad arrangement and numbering 12
TABLE 2 Standard ten-pushbuttons keypad arrangement and numbering 13
TABLE 3 Alphanumeric mapping 13
TABLE 4 1 MHz sliding window 23
TABLE 5 DTMF signalling frequencies 30
TABLE D1 6 Distinctive ring applications 66