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Inserting a Module 

1)

 

Attach an ESD‐preventative wrist 
or ankle strap, following its 
instructions for use. 

2)

 

Disconnect and remove all 
interface cables from SFP Module. 

3)

 

If the SFP Module has a Bail Clasp , 
close the Bail Clasp before 
inserting the SFP Module. 

4)

 

With the gold finger connector on the bottom and the label on the top, line up the SFP Module 
with the empty cage and slide it in making sure that it is completely inserted and seated in the 
cage. 

 

Removing a Module 

1)

 

Attach an ESD‐preventative 
wrist or ankle strap, 
following its instructions for 
use. 

2)

 

Disconnect and remove all 
interface cables from SFP 
Module. 

3)

 

Release the latching 
mechanism. 

 

Bail Clasp – 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 from the cage. 

 

Mylar Tab – Pull the tab gently in a straight outward 
motion until it disengages from the port. Make sure the 
tab is not twisted when pulling as it may become 
disconnected from the SFP Module. 

 

Slide Tab ‐ With your thumb, push the slide tab on the 
bottom front of the SFP module in the direction of the 
equipment to disengage the module from the line card 
port. If you pull on the SFP module without disengaging 
the tab, you can damage the SFP module. 

4)

 

Grasp the SFP Module between your thumb and index finger and 
carefully remove it from the port 

5)

 

Place the SFP Module on an antistatic mat, or immediately place it in a static shielding bag or 
container 

 

 

 

 

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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