7270 E1 4PORT 120OHM I/O The E1 I/O card provides 4 ports of 120 ohm twisted pair interface, using RJ45 connectors.

Any questions?

Please use the following form to request information.

Please specify your question about 7270 E1 4PORT 120OHM I/O The E1 I/O card provides 4 ports of 120 ohm twisted pair interface, using RJ45 connectors. *

Type the numbers you see in the picture below