User's Manual

Installation, Operation and Service Manual 90DIB500R41IM_FCC02 – 99.1 181
DIB-500 R4.1 Component replacement
Replacing the ACS
11.4.1 Removing the ACS
The procedure for removing the ACS is described below.
Proceed as follows to remove the ACS:
Preparation:
✓ The preparatory measures must be completed, refer to Table 11.10 on page 175.
✓ The tools and aids must be available, refer to section 11.2.2 on page 173.
Carry out the following steps:
Risk of injury
The equipment rack features sharp edges on the inside. Risk of injury if you do not wear
protective gloves.
➔ Always wear protective gloves for the following process steps.
1. Disconnect all the cables connected to the component.
Table 11.14 Legend: ACS (front view)
No. Supply Description
1 RxD (TIB A
1
) Antenna B Rx output carrier TIB A
1
(only in the case of
diversity)
2 Antenna A Antenna A Tx/Rx antenna connection
3 RxD (TIB A
2
) Antenna B Rx output carrier TIB A
2
(only in the case of
diversity)
4 Rx (TIB A
1
) Antenna A Rx output carrier TIB A
1
5 Rx (TIB A
2
) Antenna A Rx output carrier TIB A
2
6 AUX (TIB A) Interface to the TIB A transceiver module (including voltage
supply)
7 Tx (TIB A
1/2
)
Antenna A
1)
Tx inputs carrier TIB A
1/2
1) depending on the ACS variant
8 Tx (TIB B
1/2
)
Antenna A
1)
Tx inputs carrier TIB B
1/2
9 Antenna B Antenna B (Tx)/Rx antenna connection
10 RxD (TIB B
1
) Antenna B Rx output carrier TIB B
1
(only in the case of
diversity)
11 RxD Ext Interface (input) for connecting the reception paths of
another ACS for diversity reception (with > 4 carriers)
12 RxD (TIB B
2
) Antenna B Rx output carrier TIB B
2
(only in the case of
diversity)
13 Rx (TIB B
1
) Antenna A Rx output carrier TIB B
1
14 Rx Ext Antenna A interface (output) for connecting another ACS
(with > 4 carriers)
15 Rx (TIB B
2
) Antenna A Rx output carrier TIB B
2
16 AUX (TIB B) Interface to the TIB B transceiver module (including voltage
supply)