Rohde & Schwarz 890 Series - BCD Interface R&S GC 890; Filter; Interface

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User Manual f Replacement of Modules
4.3.11 BCD Interface R&S GC 890
4.3.11.1 Interface
Removal
1. Make preparations acc. to 4.3.1.
2. Pull off socket on RF cable W4 connected to
plug X41 (synthesizer, see Fig. 4.14).
Note:
The interface module (A81) of BCD Interface
R&S GC 890 can be inserted into the grey as
well as the black guiding rails.
3. In case the interface module (A81) is in the
grey guiding rails, proceed acc. to the
following steps:
a) Open grey extracting levers on inter>
face (see Fig. 4.12 (R&S EK 895) or Fig.
4.13 (R&S EK!896)).
b) Pull out interface module (A81) until
the locking devices of plug X86 become
laterally accessible (space between rail
on frame and lateral strip).
c) Push off locking devices on left and
right.
d) Disconnect female connector strip from
ribbon cable W86.
e) Pull interface module (A81) entirely
out by taking hold of grey extracting
levers.
4. In case the interface module (A81) is in the
black guiding rails, proceed acc. to the fol>
lowing steps:
a) Push off locking devices of plug X86 on
left and right.
b) Disconnect female connector strip from
ribbon cable W86.
c) Open grey extracting levers on inter>
face (see Fig. 4.12 (R&S EK 895) or Fig.
4.13 (R&S EK!896)).
d) Pull out interface module (A81) by tak>
ing hold of gray extracting levers.
5. If necessary also remove filter module
(A82) acc. to 4.3.11.2.
Installation
Installation is to be carried out in the reverse
order of removal.
4.3.11.2 Filter
Removal
1. Remove interface module acc. to 4.3.11.1.
2. Undo two locking bolts (4, Fig. 4.10 (R&S
EK!895) or Fig. 4.11 (R&S EK!896)) fixing
female connector strip X89 to the rear
panel.
3. Remove locking bolts.
4. Carefully remove filter module (A82) with
ribbon cable W86.
Installation
1. Insert female connector strip X89 from the
inner side of the rear panel into the open>
ing.
2. Fix female connector strip to the rear panel
by means of the two locking bolts (4, Fig.
4.10 (R&S EK 895) or Fig. 4.11 (R&S EK!896)).
Note:
We recommend to secure the locking bolts
by using protective lacquer.
3. Slide ribbon cable W86 of the filter module
(A82) through the opening in the trans>
verse panel and below ribbon cable W21
bend by 90∞.
4. Install interface module acc. to 4.3.11.1.
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