CTX28 Installation
Installing the CTX28 Cabinet
Strata CTX28 I&M 3/05
1-17
Step 4: Install the GCTU (Processor)
The GCTU is the main processor for the CTX28. It is shipped with the CTX28 Base cabinet.
³
To install the GCTU into the CTX28
1. Skip this step if you have installed a Voice Mail PCB and already removed the PCB stopper. If
you have not done this, then in the CTX28 cabinet, remove the two screws and the PCB stopper
(see
).
2. Set the P601 battery jumper to ON (see
) and insert the GCTU (shipped with the
cabinet) in the upper slot of the GMAS sub-motherboard (see
). Place it next to the
guide rail of the PCB stopper (see
).
3. Secure the PCB stopper with the original two screws.
4. Insert the SmartMedia card (gold contacts face left, notched corner faces forward and up) into
the SmartMedia slot on the GCTU (see
).
Figure 1-10 GCTU PCB
7264
OFF
ON
BA
T
T
P601 Battery
P903
P902
SmartMedia Slot
DC Power On/Off LED
MOH
External Speaker
P2 (for BSIS)
P1 (for GETS)
P901 Control Relay Contact
SmartMedia LED
Heart Beat LED
