ISW-621T ISW-621TS15 Drawing Side View Front View Bottom View Top View P1 Rear View P2 FAULT TX 100 LNK/ACT 6 Mounting Kit RX TX 100 LNK/ACT 5 RX DIN-Rail Kit 4 3 2 1 10/100 LNK/ACT ISW-621 Mounting Kit Dimensions ( unit = mm )