Comtech EF Data MBT-4000B - Manual (Page 58)

MBT-4000B Multi-band Transceiver System Revision 1
Serial-based Remote Product Management MN/MBT4000B.IOM
6–6
6.2.4.6 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).
6.2.4.7 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' (ASCII code 13), and 'line feed' (ASCII code 10).
Both indicate the valid termination of a packet.