IBM modem saver

made by	IBM Corp.(P/N 73G5395)
specification	Check RJ-11 Normal(Green):OK TO CONNECT MODEM REVERSED POLALITY(Yellow):MODEM OPERATION MAY BE IMPAIRED OVER CURRENT(Red):MODEM DAMAGE LIKELY
Junk Point	I don't have it when I need it
story	It was the nessecity(for "Gedo" Mobiler) in the days of Annalog modem. You can remember this(you, the one who read this...). But I felt it usefull only when I was on a business trip and stayed in hotel for businessmen and "Lovers" in Osaka City. Recently, my office's PBX was crushed and we can't call a maintainance service and had many trouble. "I can check the PBX and repair it if I had this device now....." but of course I didn't have it because I didn't felt it usefull now. things almost go on like this....

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