Comtech EF Data CDM-570 - Manual (Page 356)

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Appendix D MN/CDM570L.IOM
D–6
D.5.6 Optional Message Arguments
Arguments are not required for all messages. Arguments are ASCII codes for the characters 0 to 9 (ASCII codes 48 to 57), period (ASCII
code 46) and comma (ASCII code 44), plus miscellaneous printable characters.
D.5.7 End Of Packet
Controller-to-Target: This is the ‘Carriage Return’ character (ASCII code 13).
Target-to-Controller: This is the two-character sequence ‘Carriage Return’, ‘Line Feed’ (ASCII codes 13 and 10).
Both indicate the valid termination of a packet.