56 IFP-75/IFP-75HV Installation/Operation Manual — P/N LS10147-001SK-E:D 06/25/2021
Networking Common Communicator List SK-NIC Wiring Options
5.3.1 Fiber Loop Modules
Two types of fiber-optic modules are available to use to transmit and receive communication with the SK-NIC. See Figure 5.3.
Figure 5.3 Types Fiber Loop Modules
The SK-FML (Fiber-Optic Multi-Mode) and SK-FSL (Fiber-Optic Single-Mode) are plug-in fiber loop modules. The two types of fiber-
optic modules are used as one channel to transmit or receive communications with the SK-NIC, ARCNET communication circuit.
The following describe the two types of fiber-optic modules.
• The SK-FML is a fiber module that allows the multi-mode fiber to network between nodes.
• The SK-FSL is a fiber module that allows the single-mode fiber to network between nodes.
Each fiber loop module can Transmit (TX) and Receive (RX) fiber-optic cable connecting to the SK-NIC. Up to two fiber loop cards can be
added to the SK-NIC, and both cards may be combined in the same configuration. See Figure 5.4.
Figure 5.4 SK-NIC with Fiber Loop Modules
SK-NIC-KIT Mounting Kit
SK-NIC can be mounted in an accessory cabinet. Accessory kits P/N SK-NIC-KIT are available that include a SK-NIC, small cabinet with
door, cable and mounting hardware. The accessory kit is necessary to install the SK-NIC outside of the IFP-75cabinet.
5.3.2 SK-NIC Installation
The SK-NIC is designed to mount on the bracket inside the accessory cabinet. Use the following steps to properly mount the SK-NIC-KIT.
1. Place the SK-NIC on the mounting bracket.
2. Use the 6-pin cable included with SK-NIC to connect the IFP-75 to the SK-NIC. The 6-pin cable must be run in conduit. See Figure 5.1.
SK-FSL Single-Mode Fiber
SK-FSL Multi-Mode Fiber
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