Comtech EF Data CDM-570A - Manual (Page 464)

CDM-570L/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Appendix D Revision 2
D–6
Step Task
4 Use the screwdriver to secure the Packet
Processor card to the chassis with its provided
mounting hardware (4X 4-40 x 1/4 pan head
screws).