OPTO 22 G4LC32ISA-LT, Руководство пользователя

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G4LC32ISA-LT User’s Guide 3-5
If COM0 or COM1 is configured for RS-232 communication, jumpers B0–B8 for COM0, or jumpers
C0–C8 for COM1. These must be installed for proper operation.
Table 3-2: Biasing and Termination Jumpers
Jumper Description
B0 or C0 Pull-up for TX/RX+ (BIAS)
B1 or C1 Terminator for TX/RX
B2 or C2 Pull-down for TX/RX- (BIAS)
B3 or C3 Pull-up for RX+ (BIAS)
B4 or C4 Terminator for RX line
B5 or C5 Pull-down for RX- line (BIAS)
B6 or C6 Pull-up for IRQ+
B7 or C7 Terminator for IRQ
B8 or C8 Pull-down for IRQ-
B jumpers are for COM0; C jumpers are for COM1
Figure 3-4: Biasing and termination jumpers schematic
INSTALLATION AND SETUP