Black Box FOPM-210, FOPM-250 Quick Start Manual

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© Copyright 2015. Black Box Corporation. All r ights reser ved.
Black Box and the Double Diamond log o are registered trademarks of
BB Technologies, I nc. Any other trademarks mention ed in this manual
are acknowledged to be the property of the tra demark owner s.

FOPM-210_F OPM-250 Quick Start Guide, versi on 2

Works with an optical laser
source to test optical fiber
cables for optical loss.

Works at six wavelengths: 850, 1300,
1310, 1490, 1550, and 1625 nm.

Deluxe Optical Power Meter, w/Memory

FOPM-210
FOPM-250

Black Box Tech
Support: FREE! Live.
24 /7. Tec h supp ort
the way it should be.

Great tech support is just 60 seconds
away at 724-746-5500 or blackbox.com.

Order toll-free in the U.S.:
Call 877- 877-BBOX
(outside U.S. call 1-724-746-5500)

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24 hours a day, 7 days a week:
Call 724-746-5500 or
fax 724-746 - 0746

Web site: www.blackbox.com

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Customer

Support

Information

FOPM-210 and FOPM-250 Quick Start Guide

3. Specifications

NOTE: Valid at 1550 nm, CW. 23° C ±3° C, relative

humidity less than or equal to 70% with FC
connector.

Function Value

Auto Power-off Yes

Backlighting Yes

Calibrated wavelength (nm) 850/1300 /1310/
1490 /1550/1625

Data Storage Yes

Detector Type InGaAs

Frequency Detecting Range -40 ±10 dBm

Measuring Range (dBm)
FOPM-210: -70 ±10 dBm
FOPM-250: -50 to +26 dBm

Operating Wavelength (nm) 800–1700

Precision ±5% ±1

Reference Value Yes

Resolution
FOPM-210: 0.01 dB @ -60
to +10 dBm,

0.1 dB @ -70 to +60
dBm;
FOPM-250: 0.01 dB @ -40
to +26 dBm,

0.1 dB @ -50 to +40
dBm

Tone Detection 270 Hz, 1 kHz, 2 kHz

USB Interface Yes

Wavelength Detecting Range -40 ±10 dBm

Wavelength Recognition Yes

Connectors: FC/PC (SC/PC, ST/ PC interchangeable
connectors optional)

3. Specifications (continued)

Temperature Tolerance: Operating: -10 to +50° C;

Storage: -20 to +70° C

Humidity Tolerance: Less than 90%

Power: (2) 1.2-V Ni-MH batteries; AC adapter for

continuous use

Size: 6.3"H x 3"W x 1.8"D (16 x 7.6 x 4.5 cm)

Weight: 0.59 lb. (0.27 kg)

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FOPM-210 and FOPM-250 Quick Start Guide FOPM-210 and FOPM-250 Quick Start GuideFOPM-210 and FOPM-250 Quick Start Guide

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1. Display and Keypad

Figure 1 shows the optical power meter’s display and
keypad.

Interchangeable
connector

LCD screen

Figure 2 shows the power meter’s LCD display and
Table 2 describes its functions. Table 3 shows the
battery indicator status.

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8

1

6

5

3

7

9

Figure 2. LCD.

Table 2. LCD functions.

Number Function

1 Wavelength Reference
2 AC adapter
3 Battery charge
4 Measurement unit
5 Auto-off
6 Power value
7 Frequency
8 Reference value
9 Auto-wavelength

recognition

Table 3. Battery indicator status.

Status Icon Description

Full Battery at 100% capacity

2 Bars Battery at 50–75% capacity

1 Bar Battery at 25–50% capacity

Empty Battery at 0–25% capacity*

* Battery icon flashes when power is almost depleted.

Connect the AC adapter to recharge the battery.

2. Keypad Functions, LCD Functions, and
Battery Indicator Status

Table 1 describes the optical power meter’s keys.

Table 1. Keypad functions.

No. Key Function

Number Key Function

1 Switches tester on/off. Press and

hold for more than two seconds
while turning on to disable the
auto-off feature.

2 Press to set the wavelength.

Select from six possible wave­lengths: 850, 1300, 1310, 1490,
1550, and 1625 nm. Press and
hold to activate auto-wavelength
recognition.

3 Press to select the measurement

mode. Three modes are available:
dBm for the power value, dB for
the relative value, and mw for the
logarithmic value. (HI/LO will be
displayed if the measured power
value is out of range.)

4 Press to display the last record

stored. Press and hold to store
the current test value.

5 Press for less than two seconds to

display the wavelength reference
level. Press and hold for two more
seconds to set a new wavelength
reference level.

6 Press to switch backlighting on/

off.

Figure 1. Display and keypad.

DC input jack

Battery fully charged LED

External power/
recharging LED

Figure 2. Bottom of power meter.

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1

2

3

4

5

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