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描述
L-com's DB9 switch box products are physical layer hardware solutions which support a variety of switching, or access and control applications all in a compact desktop enclosure. These DB9 serial switch boxes feature a unique relay technology that supports the switching mechanism. Non-latching or latching relay configurations are available. The non-latching units provide automatic fail-over to the default Port A to C connection state when power fails or is removed. Latching versions provide the benefit of maintaining the flow of data between the connected devices even when power is removed. Note: The Ethernet models may be controlled via telnet, web browser or SNMP. Ships with a universal 12V DC power supply with four different style country plugs. Custom configurations are available.
特征
- Used to share a common network device between multiple network resources
- Switching control via front panel push button, dry relay contact, serial control or an Ethernet connection
- Secure networks
- RS232
- RS485
- Connectors: DB9 Female 9 pin
- Backup & Failover
- Available with latching versions that enable the device to remain connected even when power is removed from the switch, or with non-latching versions for use in fail-over applications
警告：该产品可能会使您接触到包括邻苯二甲酸盐在内的化学物质，美国加利福尼亚州已证明这些化学物质能够引发癌症以及先天性缺陷或其他生殖方面的危害。如想了解更多信息，请点击
www.p65warnings.ca.gov
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