研華BB-232LB9R Serial Repeater, RS-232 DB9 M/F, 8 lines

• Amplify and extend RS-232 signals beyond 15.24m (50 ft) limit
• Daisy-chain multiple repeaters for even extra range
• Boost lower power RS-232 ports
• Data rates up to 115.2 kbps
• Quick, convenient in-line installation
• Power supply required, not included, sold separately
• BB-232LB9R retransmits 8 signals and carries ground line through. Computers with low-power RS232 ports cannot drive port-powered devices or full-length RS-232 cabling. BB-232LB9R amplifies weak signals to the RS232 Standard. Use for extending full-power RS-232 cable runs beyond 15-30m distance.