Wilcom F6121R Operating Instruction Download Page 1

hand-held ribbon fiber identifier

Operating Instructions

Introduction

The Wilcom Model F6121R 

Ribbon Fiber Identifier

 is a rugged, hand-held,

easy-to-use maintenance and installation instrument that identifies optical
fibers by detecting the optical signals that are transmitted through a ribbon

fiber. Check for signal presence before re-routing or maintenance, perform
continuity tests and check cable labeling. This ribbon fiber identifier uses a

safe macrobending technique that does not disrupt traffic. At the same time,
it avoids damaging or overstressing the fiber  Thus, the probability of inter-

rupting service is eliminated.

Signals that the F6121R detect include continuous signal optical transmis-

sion, and low frequency modulated tones at 270, 1000, and 2000 Hz.  When
the F6121R detects traffic on a fiber being tested, one of two Traffic LEDs

on the F6121R illuminates to indicate the presence and direction of trans-
mission.  The presence of tone is indicated by illumination of one of three

Tone LEDs  (

Figure 1

). The F6121R also has an easy to use thumb lock

                                                                      feature for hands-free operation.

Operating the F6121R

Operation of the F6121R is simple, as outlined in the
following steps:

1. Choose the correct adapter head for the type of ribbon fiber to be
       tested.  The F6121R is supplied with three  adapters,  each with

an

       

indexing notch

 which is part of the ambient light reduction

       design as shown in 

 Figure 2

:

       (

A)

 

deep-slot

, for 3 mm jacketed fiber (i.e., pigtails and jumpers)

       or loose tube fiber.

 

(B)

 slotted

, to accommodate jacketed ribbon

       fiber up  to 12 count;

 (C) 

shallow-slot

, to accommodate bare

       ribbon fiber up to 12 count;

2. Select the appropriate ribbon fiber adapter and slide it into the

mating slotted channel with slight downward pressure. Be sure to
place the adapter with the 

indexing notch

 facing the front of the

F6121R as shown in 

Figure 3.

3. Insert the fiber to be tested between the adapter and the top of the

clamp (refer to 

Figure 4

).  Slide the thumb switch fully upward

and ensure that the fiber is installed properly in the alignment
groove.

4.  For 

hands-free 

operation, slide the thumb switch upward and “rock”

forward to lock, and the fiber will be held in place

     ( refer to 

Figure 4

 ) “rock” backward to unlock.

 F6121R

A

B

Figure 3

Figure 1

04/04
813-114-002

Figure 2

Indexing notch on adapter
head faces front of unit

C

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