Wiren Board NETMON-1: List of GPIOs
This is the approved revision of this page, as well as being the most recent.
Implementation of RS-485 ports
| Controller | "'Linux port name | Connector on controller | Note |
| Wiren Board NETMON-1 | "/dev/ttyNSC0" | Signed "I8" | half-Duplex ports. Transceivers connected to chip SC16IS752 |
| "/dev/ttyNSC1" | Signed "I6" |
Rear panel relay
| Linux GPIO | signal on the scheme | ||
| 124 | GPIO4 @ SC16IS752 1 | RELAY_BACK_1 | Power relay 1 (K5) |
| 125 | GPIO5 @ SC16IS752 1 | RELAY_BACK_2 | Power relay 2 (K6) |
Front panel relay
| Linux GPIO | signal on the scheme | ||
| 120 | GPIO0 @ SC16IS752 1 | RELAY_1 | Relay 1 (K1) |
| 121 | GPIO1 @ SC16IS752 1 | RELAY_2 | Relay 2 (K2) |
| 122 | GPIO2 @ SC16IS752 1 | RELAY_3 | Relay 3 (K3) |
| 123 | GPIO3 @ SC16IS752 1 | RELAY_4 | Relay 4 (K4) |
Other
Two-color LED
| Linux GPIO | signal on the scheme | ||
| 127 | GPIO7 @ SC16IS752 1 | LED_GREEN | Green led |
| 126 | GPIO6 @ SC16IS752 1 | LED_RED | Red led |
| Linux GPIO | signal on the scheme | ||
| 133 | GPIO3 @ SC16IS752 2 | 5V_IZOLATED_ON | Enable isolated 5V source |
| 137 | GPIO7 @ SC16IS752 2 | PROG_BUTTON | Front panel button |
GPIO on the XS15 comb
| Linux GPIO | scheme signal | ||
| 248 | GPIO6 @ LAN951x |
Dry contacts
| Linux GPIO | the scheme signal | ||
| 60 | 28 @ CON2 | DRY_1 | |
| 136 | GPIO6 @ SC16IS752 2 | DRY_2 | |
| 135 | GPIO5 @ SC16IS752 2 | DRY_3 | |
| 134 | GPIO4 @ SC16IS752 2 | DRY_4 | |
| 56 | 23 @ CON1 | DRY_5 | |
| 55 | 24 @ CON1 | DRY_6 | |
| 23 | 26 @ CON2 | DRY_7 | |
| 25 | 27 @ CON2 | DRY_8 | |
| 16 | 19 @ CON1 | DRY_9 | |
| 17 | 20 @ CON1 | DRY_10 | |
| 54 | 21 @ CON1 | DRY_11 | |
| 57 | 22 @ CON1 | DRY_12 | |
| 53 | 14 @ CON1 | DRY_13 | |
| 5 | 16 @ CON1 | DRY_14 | |
| 6 | 17 @ CON1 | DRY_15 | |
| 7 | 18 @ CON1 | DRY_16 | |
| 38 | 9 @ CON1 | DRY_17 | |
| 39 | 10 @ CON1 | DRY_18 | |
| 1 | 12 @ CON1 | DRY_19 | |
| 2 | 13 @ CON1 | DRY_20 | |
| 36 | 7 @ CON1 | DRY_21 | |
| 37 | 8 @ CON1 | DRY_22 |
GPIOs for internal use
| Linux GPIO | scheme signal | ||
| 34 | 3 @ CON1 | ADC MUX C | |
| 33 | 4 @ CON1 | ADC MUX B | |
| 32 | 5 @ CON1 | ADC MUX A | |
| 35 | 6@ CON1 | 3.3V_EN | 3.3V rail shutdown |
| 3 | 12 @ CON2 | CS_UART_1 | sc16is752 N1 chip select |
| 52 | 26 @ CON1 | IRQ_UART_1 | sc16is752 N1 IRQ |
| 4 | 15 @ CON1 | CS_UART_2 | sc16is752 N2 chip select |
| 50 | 25 @ CON1 | IRQ_UART_2 | sc16is752 N1 IRQ |
| 92 | 24 @ CON2 | 1-wire | |
| 91 | 25 @ CON2 | Watchdog | |
| 132 | GPIO2 @ SC16IS752 2 | RESET_SIM900 | SIM900R power FET |
| 130 | GPIO0 @ SC16IS752 2 | POWER_SIM900 | SIM900R power KEY |
| 131 | GPIO1 @ SC16IS752 2 | STATUS_SIM900 | SIM900R power status (input) |
| 246 | GPIO4 @ LAN951x | SHT1x data | |
| 247 | GPIO5 @ LAN951x | SHT1x sck |
See also Managing GPIOs