Preparing for Use
R&S
®
OSP
‑
B157W8
(PLUS)
R&S
®
OSP
‑
B157WX
23
Getting Started 1178.5808.02 ─ 03
22. Push the module all the way into the switch unit, until the module's cover
panel is level with the switch unit.
23. Screw the ground plate (item (2) and (3) in
cylinder-head screws, type Torx M2.5x6, included in the delivery).
24. Screw the module's front plate to the switch unit's front panel (item (5) in
, 10 countersunk screws, type Torx M2.5x6, included in the delivery).
25. Connect the cables (included in the delivery) as follows between the
interface
board
of the module R&S
OSP-B157WX and the
main board
of the switch
unit:
Interface board connector
Cable
Main board connector
X15 (power input)
6-wire cable
X12 (power supply)
X13 (interface slot A12)
26-pin ribbon cable
X4 (interface slot A12)
X19 (interface slot A13)
26-pin ribbon cable
X13 (interface slot A13)
Figure 3-6: Cable connections for controlling the frequency extension module
Left
= Interface board of the module R&S
OSP-B157WX
Right
= Main board of the switch unit
1
= 6-wire power cable
2 and 3 = 26-pin ribbon cables
X...
= Connector numbers, see labels on the boards
26. Reconnect the CAN cable (W3) to connector X8 on the switch unit's main
board).
27. Reconnect the LAN cable (W4) to the RJ45 connector on the switch unit's pro-
cessor board.
28. Place the switch unit on its front handles.
29. Shift the casing over the unit.
Mounting the Extension Module