Zyxel GS1900-24E
The GS1900-24E is a 24-port Gigabit L2 switch.
Hardware
Pinouts
Header JP2 has a UART:
- JP2.1: 3.3V
- JP2.2: TX
- JP2.3: RX
- JP2.4: GND
Pin 1 is identified with a white dot and is closest to rear of the switch.
Board details
Firmware
Vendor board definition
------------------ Board Configuration ------------------ **************************** GS1900-24E **************************** ============================ Board GPIO ============================ Device Pin Direction Default Current ------- ---- ---------- -------- -------- INT 0 OUT 0 0 INT 1 OUT 1 1 INT 2 OUT 0 0 INT 3 OUT 0 0 INT 8 OUT 1 1 INT 9 OUT 1 1 INT 12 IN 0 0 INT 13 OUT 1 1 INT 14 OUT 1 1 INT 15 OUT 1 1 INT 16 IN 0 0 INT 17 OUT 1 1 INT 18 OUT 0 0 INT 19 IN 0 0 INT 20 OUT 1 1 INT 21 IN 0 0 INT 22 IN 0 0 INT 23 OUT 1 1 EXT 0 IN (IN ) 0 1 EXT 1 IN (IN ) 0 1 EXT 2 IN (IN ) 0 0 EXT 3 IN (IN ) 0 1 EXT 4 IN (IN ) 0 0 EXT 5 OUT (OUT ) 1 1 EXT 6 OUT (OUT ) 1 1 EXT 7 IN (IN ) 0 1 EXT 8 OUT (OUT ) 1 1 EXT 13 OUT (OUT ) 0 0 EXT 14 OUT (OUT ) 0 0 EXT 15 OUT (OUT ) 0 0 EXT 16 OUT (OUT ) 0 0 EXT 17 OUT (IN ) 0 0 EXT 18 OUT (IN ) 0 0 EXT 22 IN (IN ) 0 0 EXT 23 OUT (OUT ) 0 0 EXT 24 OUT (OUT ) 0 0 EXT 25 OUT (OUT ) 0 0 EXT 26 IN (IN ) 0 0 EXT 27 IN (IN ) 0 0 EXT 28 IN (IN ) 0 0 EXT 29 OUT (OUT ) 0 0 EXT 30 OUT (OUT ) 0 0 EXT 31 OUT (OUT ) 0 0 EXT 32 IN (IN ) 0 0 EXT 33 IN (IN ) 0 0 EXT 34 OUT (OUT ) 1 1 ============================ Board Configuration ============================ ====== Port ================== Type Usr Phy Media Speed Duplex Attr ---------- ---- ------- ----------- -------------- -------- ------- 1000M 1 (0) 1 Copper (A) ALL Auto 0 1000M 2 (0) 0 Copper (A) ALL Auto 0 1000M 3 (0) 3 Copper (A) ALL Auto 0 1000M 4 (0) 2 Copper (A) ALL Auto 0 1000M 5 (0) 5 Copper (A) ALL Auto 0 1000M 6 (0) 4 Copper (A) ALL Auto 0 1000M 7 (0) 7 Copper (A) ALL Auto 0 1000M 8 (0) 6 Copper (A) ALL Auto 0 1000M 9 (0) 9 Copper (A) ALL Auto 0 1000M 10 (0) 8 Copper (A) ALL Auto 0 1000M 11 (0) 11 Copper (A) ALL Auto 0 1000M 12 (0) 10 Copper (A) ALL Auto 0 1000M 13 (0) 13 Copper (A) ALL Auto 0 1000M 14 (0) 12 Copper (A) ALL Auto 0 1000M 15 (0) 15 Copper (A) ALL Auto 0 1000M 16 (0) 14 Copper (A) ALL Auto 0 1000M 17 (0) 17 Copper (A) ALL Auto 0 1000M 18 (0) 16 Copper (A) ALL Auto 0 1000M 19 (0) 19 Copper (A) ALL Auto 0 1000M 20 (0) 18 Copper (A) ALL Auto 0 1000M 21 (0) 21 Copper (A) ALL Auto 0 1000M 22 (0) 20 Copper (A) ALL Auto 0 1000M 23 (0) 23 Copper (A) ALL Auto 0 1000M 24 (0) 22 Copper (A) ALL Auto 0 ====== Button ================ ------------ Reset Button GPIO: EXT_3 Timer: 3(sec) Action: Reboot Timer: 6(sec) Action: Restore Factory ====== Led =================== SYS (REG) ALARM (REG) ====== Reset ================= Type: GPIO GPIO: EXT_5 ====== WatchDog ============== Type: REG