Installing the Daughter Card
Installing the Daughter Card
The daughter card inserts into the connector located in the center of the motherboard. The connector is keyed so that the daughter card fits only one
way. Before installing the card, examine the slot in the motherboard and the fingers on the daughter card and note where the key is located.
Note:
The figure below is a general-purpose illustration that applies to all daughter cards.
Figure 8: Installing the Daughter Card
Wiring
This section contains guidelines and instructions for wiring the module to RS-232 devices.
General Guidelines
Make sure these guidelines are accounted for before wiring:
• All wires must be 18 AWG (0.8231 mm
2
), twisted-shielded pair.
• All wiring is supervised.
• Conductors must test free of all grounds.
• Power must come from a Simplex-approved power supply.
• All wiring must be done using copper conductors only, unless noted otherwise.
• If shielded wire is used:
- The metallic continuity of the shield must be maintained throughout the entire cable length.
- The entire length of the cable must have a resistance greater than 1 Megohm to earth ground.
• Underground wiring must be free of all water.
• Wires must not be run through elevator shafts.
• Wires that run in plenum must be in conduit.
• Splicing is permitted. All spliced connections must either be soldered (resin-core solder), crimped in metal sleeves, or encapsulated with an
epoxy resin. When soldering or crimped metal sleeves are used, the junction must be insulated with a high-grade electrical tape that is as
sound as the original insulating jacket. Shield continuity must be maintained throughout.
• A system ground must be provided for earth detection and lightning protection devices. This connection must comply with approved earth
detection per NFPA780.
• Only system wiring can be run together in the same conduit.
• Any wiring leaving the building requires overload protectors (2081-9044). Use one overvoltage protector where wiring leaves the building and
another where the wiring enters the other building.
page 9
579-221 Rev. F
4100-6038 Dual RS-232 Module Installation Instructions
