Comtech EF Data CDM-570A - Manual (Page 465)

CDM-570L/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Appendix D Revision 2
D–7
Step Task
5 Use the screwdriver to reinstall the top cover
onto the CDM-570A/570AL chassis with its
existing mounting hardware.
Plug the modem’s power cord back into its
power source.
The High Performance Packet Processor upgrade is now complete. You may turn on and resume use of the modem.