Test your network products easy and quick

The X.21 Nullmodem supplies two terminals with X.21 interfaces with clocking.

• Terminals with X.21 interface can be connected together fast and easy, no need to setup a X.21 transmission line.
• Rates chooseable with 8 way rotary knob: 64, 128, 256,1024, 2048, 4096, 8192 kbps, you will find the real efficiency of your terminals very fast.
• Dimensions: 65 mm x 55 mm x 20 mm, so small that every field service engineer can have one in his pocket.