Inquiries about the number of pins of the MagJack® ST SI-40000 Series RJ45 Jack from Bel Fuse are a common question. Many customers are concerned that one pin was missed. As one example, SI-46014-F, this device shows seven pins for the connection.
According to the datasheet, there is a note: “Pins Without Electrical Connection are Omitted”.
Applicable part numbers
| DK Part # | Mfr Part # |
|---|---|
| 507-SI-46001-F-ND | SI-46001-F |
| 507-SI-46004-F-ND | SI-46004-F |
| 507-SI-46009-F-ND | SI-46009-F |
| 507-SI-46013-F-ND | SI-46013-F |
| 507-SI-46014-F-ND | SI-46014-F |
| 507-SI-46019-F-ND | SI-46019-F |
| 507-SI-46020-F-ND | SI-46020-F |