RS232 RS422/485 Converter
K2-TB
RS232 to RS422/485 converter, port powered
The KK Systems range of inline products are available with D-type connectors for RS232 and D-type connectors or screw terminals for RS422/485.
Plugs directly into a IBM PC 9-way serial port
Isolation 100% tested at >1000V AC
RS232 port-powered in most applications
0-38400 baud (1200-38400 baud for K3-ADE)
Automatic Driver Enable (ADE) version - K3-ADE
Very low supply current
RS232 output swings above and below ground
Sony professional compatible (also known as SMPTE) RS422 pinout
Very low cost
Replaces K422-ISOL/K485-ISOL and all options
The K3 is an isolated RS232-RS422/485 converter for up to 38400 baud.
For RS485 use, RTS Control may be required from the RS232 device.
The K3-ADE does not need RTS Control.
| Serial parameters: | • 0-115200 baud, any character format including break levels |
| RS232 interface: | • RX threshold +1,5V typ. |
| RS422/485 interf:ace |
• RX threshold 200mV typ. (defferential) • Max. common-mode voltage -7V to +12V |
| RS485 ADE: | • No |
| Supply current: | • 2mA (12kohm load) |
| Supply voltage: | • RTS & DTR RS232 port or +6 to +16VDC on pin 9 |
| Isolation: | • No |
| Protection: | • No |
| RS232 connector: | • Sub-D 9 pole female |
| RS422/485 connector: | • Screw terminal block |
| CE compliance: | • Emissions EN50081-2, imminity EN50082-2 |
| Operating temperature: | • 0 to +50°C, RH 0 to 90% non-condensing |
| Dimensions: | • 34mm (w) x 17mm (h) x 62mm (l) |
