Toshiba FT-3808BK, Service Manual

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Telephone Dial Unit Unit Nominal Limit
Pulse Dialing
a. Dialing Rate pps 10 8-11
b. Break Ratio % 60 54-68
Tone Dialing
a. Frequency
Row1
Hz 697 +1.5%
Row2 Hz 770 +1.5%
Row3 Hz 852 +1.5%
Row4 Hz 941 +1.5%
Column1 Hz 1209 +1.5%
Column2 Hz 1336 +1.5%
Column3 Hz 1477 +1.5%
b. Minimum Level on Single Tone
Low Group
dBm -7 -10
High Group dBm -6 -8
c. Maximum Level
on Freq. pair dBm -5 0
d. High Group to
Low Group dBm 2 0-4
Ringer Sensitivity Vac(not activated) <25
Vac(activated) >40
Off-hook DCR(20mA) ohm 200-300
TOLR (0kft) dB -41 to -59
ROLR (0kft) dB 38 to 54
Frequency Response Tx Comply EIA-470-A
Rx Comply EIA-470-A
Handset Unit
Receiver Unit Nominal Limit
Sensitivity(-106dBm,
800Hz,CCITT) dB 25 >30
Channel Bandwidth KHz 150
Receiver Noise Figure dB - <5.5
Sensitivity(25 dB SINAD) dBm - <-106
at duplexer
Image Rejection dB - >60
Adjacent Channel Rejection dB - >60
Receiver Muting Level dBm -108 -107 to -109