Powerware Model V-2000B - Manual (Page 126)

124 = Serial Protocols
41.37 I NPUT C HECK A CK
44.00 T IMER 1 P RESET A CK
44.04 T IME C ODE P RESET A CK
44.31 P RE -R OLL T IME P RESET A CK
41.33 S ERVO R EFERENCE S ELECT A CK
N/A T IMER M ODE S TATUS A CK
7 X .20 S TATUS D ATA 7 X .20
N/A C OMMAND S PEED S ENSE 71.2 E
40.48 R EF V IDEO S ELECT O N A CK
40.49 R EF V IDEO S ELECT O FF A CK
6 X .0 E C URRENT T IME S ENSE A CK
ACK = 10.01 NAK =11.12.xx