Nokia 6020b Service Manual
RM-31
Nokia Customer Care
7 - System Module
32
COMPANY CONFIDENTIAL
Issue 1 03/2005
Copyright © 2005 Nokia. All Rights Reserved.
Figure 12:UPP/
UEMEK
SIM Interface Connections
Test possibility
Phoenix SIM Test
For troubleshooting, see SIM Card faults in Baseband Troubleshooting Instructions.
■
IR Module
RM-31 has an IR module. The IR link supports speeds from 9600 bit/s to 1.152 Mbit/s up to a
distance of 80 cm. Transmission over the IR if is half-duplex.
distance of 80 cm. Transmission over the IR if is half-duplex.
The IR transceiver can be set into SIR or MIR modes. In SIR mode the transceiver is capable
of transmission speed up to 115.2 kbit/s. In MIR mode faster transmission speeds are used.
The maximum speed is 1.152 Mbit/s. The IR transceiver can be set into shutdown mode by set-
ting SD pin to logic ‘1’ for current saving reasons.
of transmission speed up to 115.2 kbit/s. In MIR mode faster transmission speeds are used.
The maximum speed is 1.152 Mbit/s. The IR transceiver can be set into shutdown mode by set-
ting SD pin to logic ‘1’ for current saving reasons.
Figure 13: IR interface
)
SIMIO
BSI
UEMEInt
CBusDa
CBusEnX
CBusEnX
CBusClk
UIF Block
UEME
digital
logic
digital
logic
SIMIF
register
SIM
SIM
ASIP
SIMRst
SIMClk
SIMIO
From battery
type contact
VSIM
SIMClk
SIMRst
SIMRst
SIMIO
SIMClk
SIMRst
UPP
UEME