Plastic Hubs 12.5*6.5*2.5cm, Packaging Type : Blue

we are offering 1-channel rs232/485 to 4-channel rs485 hubs.
1. interface characteristic: compatible with rs-232c and rs-485 standards by eiatia.
2. electric interface: 10 terminals for rs-232c and rs-485 interface ends.
3. transmission media: twisted pair cable or shielded cable.
4. operation mode: asynchronous half duplex.
5. signal indication:7 pilot lamps for power (pwr),send (td),receive (rd).failure(e1-e4).
6. isolation degree: isolation voltage 2500vrms 500dc non-stop, dcdc module.
7. transmission rate: 115.2k-300bps.
8. protection grade: ±15kv esd protection for rs-232 interface and 600w lighting surge protection for each rs-485 interface.
9. transmission distance:0-5,000 meters (115,200bps-300bps).
10. dimensions: 1200mmx72mmx2mm.
11. working circumstance: -25 to 70 degree c, relative humidity 5%-95%.