Black Box DB9M/RJ-11 (IC623A-M) Network Hardware User Manual


 
32
RS-232/485 CONVERTER
D
AISYCHAIN
T
OPOLOGY
Using a daisychain topology, you may connect several
Converters together in a master/slave arrangement.
Maximum distance between the units will vary based
upon the number of drops, data rate, wire gauge,
etc. Call Technical Support for specific distance
estimates.
Figure 4-14 shows how to wire the two-pair cables
properly for a Converter daisychain topology.
Figure 4-14. Daisychain wiring for the Converter host and slaves.
XMT A
XMT B
RCV B
RCV A
XMT A XMT A
RCV B RCV BRCV BRCV BRCV A RCV A RCV A RCV A
XMT A XMT AXMT B XMT BXMT BXMT B
MASTER SLAVE 1 SLAVE 2 SLAVE 3 SLAVE N