Ericsson T18s Trouble-Shooting Instruction page 44

SIMCONDATA
Measure at the SIMCONDAT- pad (see Fig. 7.1) while starting the phone. The
phone sends 5 pulses with the amplitude 5 V at start up (see Fig. 7.2).
4/00021-2/FEA 209 544/12.B
T18s, T18sc Standard Electrical Repairs
SIMCONCLK
modulated by
clock frequency
Fig. 7.3.
SIMVCC
SIMCONCLK
(J603:3)
SIMCLK (D901:6)
is
a
44
(60)