AT&T ISDN 8510T Instructions Manual
Voice terminal. changing the eprom.
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Also See for ISDN 8510T:
- Quick reference manual (9 pages) ,
- Reference manual (751 pages) ,
- Instructions for installing or replacing (15 pages)
Related Manuals for AT&T ISDN 8510T
Summary of Contents for AT&T ISDN 8510T
- Page 1 ISDN 8510T Voice Terminal Instructions for Changing the EPROM COMCODE 106910698 555-021-753 Issue 1, October 1992...
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Page 2: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS When using your telephone equipment and installing this D-Kit, the following safety precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons. Read and understand all instructions. Follow all warnings and instructions marked on the telephone. To reduce the risk of electrical shock, disconnect all cords before opening the telephone to install this D-Kit. - Page 3 Before cleaning, unplug the telephone from the modular wall jack. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. Unplug the telephone from the modular wall jack and refer servicing to qualified service personnel when these conditions exist: When the power supply cord or plug is damaged or frayed.
- Page 4 The ISDN 8510T Voice Terminal Firmware If it becomes necessary to update the firmware cartridge in the bottom of the 8510T voice terminal, use the following procedures. Removing the Voice Terminal from Operation If the voice terminal is in operation, you must disconnect the line and adjunct cords before you can change the EPROM board.
- Page 5 Removing the Voice Terminal Stand Before you can remove and install an EPROM board, you must remove the voice terminal desktop stand from the bottom of the voice terminal. To remove the stand, follow these directions. Place the voice terminal face down on a flat surface. The Bar Code label on the bottom of the set should be toward you.
- Page 6 Screw Bar Code label Upper tab (at top of desktop stand) FIGURE 2 Removing the Voice Terminal Desktop Stand...
- Page 7 Changing the EPROM Board The EPROM board is located near the top center of the base of the voice terminal. See Figure 3 for the location of this board. Use the following directions to remove the present EPROM board and install the new one. To remove the old EPROM, take the EPROM board between your thumb and forefinger and pull up on the board.
- Page 8 Eprom 48-Pin connector FIGURE 3 Changing the EPROM board on the 8510T Voice Terminal...
- Page 9 Reinstalling the Desktop Stand Replace the desktop stand by placing the upper desktop stand tab in the voice terminal slot at the top of the voice terminal and make sure the stand is oriented as in Figure 2. Slowly rotate the desktop stand down until the tab at the bottom of the desktop stand fits into the slot on the bottom part of the voice terminal.