Cinterion MC55i - Electrical Specifications of the Application Interface

MC55i Terminal Hardware Interface Description
4.4 Electrical Specifications of the Application Interface
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MC55i_Terminal_HD_v01.201a Page 36 of 47 2010-04-16
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4.4 Electrical Specifications of the Application Interface
4.4.1 On/Off Control
Table 17: On/Off control line specifications (requirements)
Parameter Description Conditions Min. Typ Max. Unit
V
high
Input voltage
/IGT_IN, /PD_IN
active high 5 V
V
low
2V
V
high
Input voltage
/DTR
active high 3 +15 V
V
low
-15 1.2 V
R
IN
Input resistance of
/IGT_IN, /PD_IN
47 kOhm
R
IN
Input resistance of
/DTR
468kOhm
t
D_IGT
Duration of active high /
IGT_IN, /DTR
200 ms
t
D_PD
Duration of active high /
PD_IN
100 ms
t
R_IGT
Rise time /IGT_IN for
power up
0% to 100% 20 ms
t
R_RTS
Rise time /DTR
for power up
0% to 100% 20 ms
t
D_passive
Duration passive (low)
of /IGT_IN, /DTR before
restart
after power down 500 ms