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RS232 management port
With superb sound quality
Noise-canceling microphone with flexible boom
Ethernet: 10/100
Toshiba PCOU1A Interface Unit Choose Condition:Like New RS232 management portToshiba PCOU1A Interface Unit Features Provides four (4) loop start CO lines Supports Caller ID when used with RCIU RCIS circuits Works on the Toshiba DK telephone systems
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