Printed Circuit Board (PCB) Installation
DK40 Installation
Strata DK40 I&M Manual Spring 1999
2-21
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Power Supply Replacement
1. Set the power supply in its proper place in the Base KSU (see Figure 2-14).
2. Secure the power supply to the Base KSU with the eight screws.
3. Reconnect the earth wires from the TCOU, TBSU or KSTU3 or FG2 to the FG1 screw
on the power supply.
4. Plug the DC cable into the DC OUT connector. The green/yellow wire is on right-hand
side.
5. Fasten FG green wire ring terminal and building ground wire to the left side of the
power supply with the FG screw.
6. Plug the Expansion KSU green/yellow ground wire into FG2.
Printed Circuit Board (PCB) Installation
This section details Strata DK40 system PCBs installation into the Base KSU. Also described
are optional configuration information and programming considerations for each PCB. For
all PCB installation options for the Expansion KSU, See Chapter 3 – DK40 Universal Slot
PCBs.
Base KSU PCBs
The Strata DK40 processor is built into the motherboard (TMAU2) and comes with eight
digital telephone circuits (ports). The line circuits are on the TCOU or TBSU PCBs, which
attach to the P10, P11 and P12 connectors on the TMAU2. The PCBs that can be installed
into a DK40 KSU are shown in Table 2-3.
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