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USER MANUAL 

4 Channel POTS Telephone Fiber Converter 

FOM‐3841/3842 

Summary of Contents for FOM-3841

Page 1: ...USER MANUAL 4 Channel POTS Telephone Fiber Converter FOM 3841 3842...

Page 2: ...cable Repair must only be performed by trained personnel in accordance with the applicable regulations Installation Site Install the unit in a place where the following conditions are met The temperat...

Page 3: ...sal of Used Equipment Used equipment contains valuable raw materials as well as substances that must be disposed of professionally Please dispose of used equipment via an authorized specialist dealer...

Page 4: ...nal telephone line cord wiring Multimode optics on the units can extend the distance to 2km while singlemode optics can further extend the distance to 20km A typical link consists of an FOM 3841 conne...

Page 5: ...Typical Application...

Page 6: ...Features Rear Indicators Connections Figure 1 FOM 3841 3842 Rear 1 1 1 2 2 3 3 4 6 5 6...

Page 7: ...escription 1 2 3 Ring 4 Tip 5 6 Optical Fiber Connections This position may be a pair of ST connectors LC connectors or an SFP slot if so ordered Optics Status LED Status Description Steady Green Opti...

Page 8: ...he power from the card for 30 seconds and then plug it in again so that the fuse on the card has time to reset If the Power led is still red or not a constant green replace the card Off Card failure o...

Page 9: ...M series cards may be installed into a RMC 5000 rack chassis A loaded RMC 5000 is shown below Figure 3 FOM Card being installed into an RMC 5000 Standalone using SAC 1 AC Single FOM series cards may b...

Page 10: ...dule that you use to disengage the module from a port Handling Warnings SFP Modules are static sensitive To prevent damage from electrostatic discharge ESD it is recommended to attach an ESD preventat...

Page 11: ...p Open the bail clasp on the SFP Module with your finger in a downward direction Actuator Button Gently press the actuator up or in while pulling the body of the SFP Module to release the SFP Module f...

Page 12: ...DIP Switch Settings Switch Designations As shown below each DIP switch is assigned a numerical designation which is keyed to the descriptive text Figure 5 FOM 3841 3842 DIP Switches...

Page 13: ...annel 4 Ring Mode DOWN OFF Normal Ringing UP ON Unbalanced Ring S3 1 Reserved S3 2 S3 3 S3 4 S3 5 Remote Configuration DOWN OFF Allow remote configuration UP ON Inhibit remote configuration S3 6 Reser...

Page 14: ...Specifications Figure 6 FOM 3841 3842 Dimensions 80 20 4 11 50X 50 12 7 5 22X...

Page 15: ...iant SFP Modules ELECTRICAL SPECIFICATIONS Min Typ Max Unit Power Requirement Voltage Range 20 24 34 V Supply Current 250 mA Min Typ Max Unit Environmental Storage Temperature 40 85 C Operating Temper...

Page 16: ...18040 412 Guilford Rd Annapolis Junction MD 20701 fiberplex com clients fiberplex com 301 604 0100 UMFOM384x 170822...

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