Vswr Module (Optional); Figure 5-2 Vswr Module, Layout; Figure 5-3 Vswr Module, Position Of Rf Connectors - CommScope Node AM4 Manual

5. Maintenance

5.2.3. VSWR Module (Optional)

The VSWR module is located on top of the modem plate. For removing and inserting the
plate, refer to chapter 5.2.2.
Two M3x10
screws
underneath
To replace the optional VSWR module, proceed in the following order:
 Unscrew the two M3x10 counter-sunk head screws underneath the rear side of the
modem plate.
 Cutting the cable tie is not necessary if you carefully disconnect the USB
connectors and RF cables before taking out the module.

Note: Make sure to remember their correct positions according to the
RF connectors labeled with FWD (Abbrev. for FORWARD - left) and
REV (Abbrev. for REVERSE - right), see following illustrations:
RF connector
"FWD"

figure 5-3 VSWR module, position of RF connectors

 Insert the new VSWR module and proceed in reverse order, i.e. fasten the two
screws again from below and reconnect the USB and RF cables.

Note: Be careful with the RF connectors! Do not confuse REV and FWD
connectors! Ensure to re-connect the FWD-RF connector and cable to
their correct positions before the replacement, (as illustrated in figure
5-3 VSWR module, position of RF connectors).
MF0121ACP_uc.docx
Optional modem
VSWR module
(optional)
USB connector

figure 5-2 VSWR module, layout

VSWR module
Manual for Node AM4
Optional BBU
UI2 board
Cable tie
RF connector
"REV"
USB
Page 61