User`s manual

CCU Main Board and
Display Control Keypad Compatibility
Only the enhanced Display Control Keypad can be used with the enhanced CCU
Main Board. The enhanced CCU Main Board and the enhanced Display Control
Keypad provide expanded Listen-ln/Talk-Back capabilities, described in
Appendix D Listen-In/Talk-Back. Table 2-4a describes compatibility
between the two different versions of the CCU Main Board and the two different
Display Control Keypads.
You can identify the enhanced CCU Main Board by locating the sticker described
in Figure 2-6a. You can identify the enhanced Display Control Keypad by locating
the sticker described in Figure 2-6b.
Table 2-4a. CCU Main Board and Display Control Keypad Compatibility
CCU Main Board
Compatible Display Control Keypad
Model 8300 CMP1
Model 8345
without the sticker that is shown in
Comcode 10569 1539
Figure 2-6a
SKU 00865
Model 8300 CMP1
with the sticker that is shown in
Figure 2-6b
Model 8345
Comdode 106776164
SKU 36010
AT&T Security System 8300 Installer’s Manual
2-lla