Mitel 3300 Technician's Handbook page 213

disconnect the I2C and SATA cables from the RTC (host) IDE
connector (see Figure 70).
Figure 70: Disconnecting the I2C Ribbon Cable and the SATA Cable
3. Set the main board on a flat surface with the underside facing up. See
Figure 71 on page 204.
4. Remove the four screws and lift the E2T or RTC from the main board.
5. Seat the new card onto the main board and secure with four screws.
Note: Ensure that you install the correct E2T / RTC card for your controller.
Different cards are available depending on whether you have an MXe III or
an MXe II/MXe Server.
6. Reach underneath the MXe carrier board and do one of the following:
• For the MXe II, connect the IDE interconnect cable to the RTC
(host) IDE connector.
• For the MXe III, connect the I2C and SATA cables to the RTC
(host) IDE connector, and then connect the I2C and SATA cables
from the hard drive backplane (or RAID controller if installed).
7. Set the main board on the chassis and attach to the chassis with the
captive screw.
8. Connect the cables to the main board.
Install and Replace Units
- MXe III
RTC (HOST) CONNECTORS
I2C CABLE and SATA CABLE
RAID CONTROLLER
203