4: DCS
Module number is the remote module, and it is always 2 digits long. 01 is
module A, 02 is module B, 03 is module C and so on.
Some examples:
ID 4901 will connect to DCS009A (server type 4 (DCS), number 9 and
module 01 which is A)
ID 4812 will connect to DCS008L (server type 4 (DCS), number 8 and
module 12 which is L)
ID 10103 will connect to REF001C (server type 1 (REF), number 01 and
module 03 which is C)
ID 13003 will connect to REF030C (server type 1 (REF), number 30 and
module 03 which is C)
ID 312302 will connect to XLX123B (server type 3 (XLX), number 123 and
module 02 which is B)