Sony BVM-L230 Service Manual page 48

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Depending on the check results, perform the required procedure as follows.
If the network connection is disabled, perform the procedure from "3. Establishment of RS-232C Com-
munication" to "5. Manual Upload of Version Upgrade File" of this section in order. If the network
connection is enabled, perform the procedure of "5. Manual Upload of Version Upgrade File" in this
section.
3. Establishment of RS-232C Communication
Cable connection
(1) For this unit
1. Remove the rear cabinet. (Refer to Section 1-3-1.)
2. Set the switch (S7012) on the B board to Center.
3. Connect PC with this unit using the RS-232C cable.
(2) For the controller
1. Remove the top cover.
2. Connect PC with controller using the serial cable.
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Use the RS-232C cable conversion tool (URT
CONNECTOR ASSY: 1-910-042-81).
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L C
S7012/B board
RS-232C cable conversion tool
(URT CONNECTOR ASSY)
Service parts (1-910-042-81)
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BVM-L230