9-way D-type data switch for use with serial devices such as mice and modems. The device is equipped with 9-way female D-type sockets. 9-way male-female serial
cables are normally used to connect to computers, 9-25 way male-male
cables are used to connect to modems. Null-modem
cables can be used to connect to other computers for direct cable communications. Available in1-to-4 operation.
Switch Box 9D 4-WayFour-way 9-pin D switch boxIdeal for using four PCswith one modemFully wired