Fiber-optic I/O Port specifications

Installation notes

The CHARM I/O Carrier and the WirelessHART I/O Carrier can house either a fiber-optic I/O port (IOP) or copper I/O Port. The fiber-optic IOP consists of a control network port. The copper IOP consists of a primary and secondary control network port and a primary and secondary cascade port.
Fiber-optic I/O ports can be used for remotely located CHARM I/O (CIOCs) and WirelessHART I/O cards (WIOCs). CIOCs and WIOCs with a fiber-optic port cannot be daisy-chained and are used in star-connected networks.
The IOPs are removeable. To remove an IOP, depress the button next to the IOP and pull it out of the carrier.

Table: Fiber-optic I/O Port specifications
Item	Specification
Redundant Ethernet connections (primary and secondary)	Fiber-optic: 100BASE-FX with MTRJ connectors; full duplex; multimode; 1300 nm; 2 km nominal distance.
Fiber-optic link budget	62.5/125 um: Transmit power minimum: -20 dBm Receive sensitivity maximum: -31 dBm Attenuation maximum: 11 dB Input power maximum: -14 dBm 50/125 um: Transmit power minimum: -23 dBm Receive sensitivity maximum: -31 dBm Attenuation maximum: 8 dB Input power maximum: -14 dBm

Figure: Fiber-Optic I/O Port