Service manual
10. INTERNAL SWITCH SETTING AND BOARD COMPATIBILITY
Service Manual BSM-4100 10.1
Internal Switch Setting
MAIN Board When you replace the MAIN board with a new one, set the bit switches of DIP
switch SW001 on the new MAIN board.
1
23 4
ON
OFF
SW001
Bit 1:
ON: for BSM-5100 series
OFF: for BSM-4100 series
Bit 2: Reserved. Set to OFF.
Bit 3:
ON: for BSM-4100 series without recorder
OFF: for BSM-4100 series with recorder or BSM-5100 series
Bit 4: Reserved. Set to OFF.
DPU Board When you replace the DPU board with a new one, set the bit switches of DIP switch
SW801 on the new DPU board.
123 4
ON
OFF
SW801
Bit 1: Check the switch setting according to the following table.
Board Model Number*
Board Serial Number*
(Hardware Revision)
Bit 1 Switch Setting
01733 (BB) or earlier OFF
UR-3563
(for BSM-4101/4103/4111/4113)
01734 (BC) or later ON
00095 (AA) or earlier OFF
UR-35631
(for BSM-4102/4104/4112/4114)
00096 (AB) or later ON
* Model number and serial number of the board are shown on a label attached to
the board.
Bits 2 to 3: Reserved. Set to OFF.
Bit 4:
ON: for MP506 Nellcor SpO
2
module
OFF: for MP304 Nellcor SpO
2
module