Ericsson LBI-39055A Maintenance Manual page 27

C3 maestro console system
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This addendum corrects several minor errors that appear in the manual. The changes are sequentially listed below:
Page 10
If the console is wired as a remote console using modems and dedicated leased lines (or equivalent), Figure 8A does not
indicate the location of the CEC/IMC modem⇔leased line⇔console modem equipment. In Figure 8A, insert a new
"OPTIONAL MODEM EQUIPMENT" box in the existing "CUSTOMER-SUPPLIED CONNECTIONS" wiring between
the punch block(s) and the C3 Maestro's COM1 port. See Figure 8B (SHEET 2 OF 2) for additional details.
Page 17
Figure 12 shows incorrect pin-outs for the I/O Board's CALL DIRECTOR connector (DB-9). Pins 2 and 3 should be
reversed. Pin 2 is the Off-Hook Sense input and pin 3 is the Handset Jack Sense (optional) input.
ADDENDUM NO. 1 TO LBI-39055
(PCCR)
1

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