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724-746-5500 | blackbox.com Page 15
NBS008A
Chapter 3: Configuration
Table 3-1. DIP switch SW1 and SW2 settings.
SW Number Positions Switched Setting
SW1 1 & 2 OFF, 3 & 4 ON 4-port operation
SW1 1 & 3 OFF, 2 & 4 ON 6-port operation
SW1 1, 2, & 3 OFF, 4 ON 8-port o peration
SW1 1, 2, 3, & 4 all OFF 16-port operation
SW1 5 OFF Reserved for future use (leave OFF)
SW1 6 OFF/ON Set to OFF for latching switches; set to ON for non-latchi ng switches
SW1 6 ON Non-latching switches
SW1 7 OFF Reserved for future use
SW1 8 OFF Reserved for future use
Figure 3-1. GANG-IN and GANG-OUT connector pin assignment.
Table 3-2. DB9 and RJ-11 GANG-IN port pin assignment.
DB9 Pin RJ-11 GANG-IN Pin Signal Name Signal Direction
5 5 Signal Ground Not applicable
2 4 Transmit Data Output
3 3 Receive Data Input
— 2 No connection Not applicable
CAUTION: The DB9 connector and Gang-in connector are connected in parallel. Use one or the other, but not both.