SYSTEM OPERATIONS

12.1.6Manual System Changeover of Speech Path System

To changeover the ACT/STBY of Speech Path System, the CMOD command is normally used. How- ever, if for some reason the command cannot be used, use the key operations listed below.

Note 1: As explained in this section, the ACT/STBY of the Speech Path System can be changed over via the MBR key on the GT (PH-GT09) card. Because each GT (GT0 and GT1) can control both the Speech Path System #0 an #1, perform the key operation on the active GT card, not on the card in STBY mode. Refer to Figure 6-48.

Note 2: Figure 6-48shows a system block diagram centering upon the GT and its controlling Speech Path Sys- tem. By changing over the ACT/STBY of Speech Path System, all the related systems, such as TDSW/ INT, DLKC, and MUX, are totally switched over. The changeover can be executed by a key operation on the active GT card. If the MBR key is flipped on the active GT card, all the Speech Path-related systems (TSW/INT, DLKC, and MUX) in the same switching block are totally changed over. However, the ACT/STBY of GT and PLO is not affected.

NDA-24300CHAPTER 6

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NEC NDA-24300 manual Manual System Changeover of Speech Path System