User's Manual

DIB-500 R4.1 Component replacement
Replacing the ACS
182 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 – 99.1
Proceed as follows:
| Remove the cable at the "AUX" port using a flathead screwdriver size 0.6 x 3.5,
see (6) in Figure 11.2 on page 180.
| Remove the cables at ports "Antenna A" and "Antenna B" as well as at the
antenna inputs "Tx" using a wrench size 19, see (2), (7) and (8) in Figure 11.2 on
page 180.
| Remove the cables at the antenna outputs "Rx" and "RxD" using a wrench size 8,
see (1) and (3) to (5) in Figure 11.2 on page 180.
2. Loosen the mounting screws of the component on the front of the equipment rack
using a Torx screwdriver size TX25.
3. Remove the terminating resistors (if available, variant-dependent) from the Rx mul-
ticouplers on the front cover of the ACS by screwing them off using the size 8
wrench, refer to Figure 11.3.
Figure 11.3 ACS front view - terminating resistors (variant-dependent)
Risk of damage
Risk of damage due to high weight (16 kg). The ACS may fall when pushing it in/pulling
it out and damage other components.
➔ When pulling the ACS out, additionally support it from below with your other hand.
4. Now cautiously pull the component out along the holder.
✓ You have successfully removed the ACS.