Option Descriptions:
(1)
Number of Input Channels/Recording Type select from:101B for 2 Channel/100 mm (4in.) continuous
102B for 2 Channel/100 mm (4in.) continuous
103B for 3 Channel/100 mm (4in.) continuous
104B for 4 Channel/100 mm (4in.) continuous
106B for 6 Channel/100 mm (4in.) dot
1801B for 2 Channel/180 mm (7in.) continuous
1802B for 2 Channel/180 mm (7in.) continuous
1803B for 3 Channel/180 mm (7in.) continuous
1804B for 4 Channel/180 mm (7in.) continuous
1806B for 6 Channel/180 mm (7in.) dot
1818B for 18 Channel/180 mm (7in.) dot
1824B for 24 Channel/180 mm (7in.) dot
(2)
Options select from:Nothing(leave field blank) for no options
/A1/R1 for Portable handle rubber feet power cord (110 Vac) RD100A Series only
/A3/R1 for 6 alarm outputs remote control (RD106A and RD1800 Series)
/A4/R1 for 12 alarm outputs remote control (RD1806 - RD1812 - RD1818 - RD1824 only)
/C7 for Ethernet interface 10 Base-T
/C3 for RS422A communications
Note: All combinations may not be valid, check spec sheet for valid part numbers.