IEC 60825-2:2021/COR1:2021

Corrigendum 1 - Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCSs)

Corrigendum 1 - Sécurité des appareils à laser - Partie 2: Sécurité des systèmes de télécommunications par fibres optiques (STFO)

General Information

• Status: Published
• Publication Date: 22-Jun-2021
• ICS: 31.260 - Optoelectronics. Laser equipment
• ICS: 33.180.01 - Fibre optic systems in general
• Technical Committee: TC 76 - Optical radiation safety and laser equipment
• Current Stage: PPUB - Publication issued
• Start Date: 23-Jun-2021
• Completion Date: 18-Aug-2021

Relations

• Corrects: IEC 60825-2:2021 - Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCSs)
• Effective Date: 05-Sep-2023

Standards Content (Sample)

 IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
IEC 60825-2 IEC 60825-2
Edition 4.0  2021-03 Édition 4.0  2021-03

SAFETY OF LASER PRODUCTS – SÉCURITÉ DES APPAREILS À LASER –

Part 2: Safety of optical fibre communication Partie 2: Sécurité des systèmes de
systems (OFCSs) télécommunications par fibres optiques
(STFO)
CO RRI G E NDUM 1
Corrections to the French version appear after the English text.
Les corrections à la version française sont données après le texte anglais.

B.3 Hazard level
In the last paragraph, replace "IEC 60825-1:2014, Figure 1" with "IEC 60825-1:2014,
Table 1".
IEC 60825-2:2021-03/COR1:2021-06(en-fr)

– 2 – IEC 60825-2:2021/COR1:2021
 IEC 2021
Table D.1 – OFCS power limits for 11 µm mode field diameter (MFD) single-mode (SM)
fibres and 0,18 numerical aperture multimode (MM) fibres (core diameter 50 µm)
Delete the horizontal lines between mW and dBm values, and replace "See Note 1 in 4.3.9"
with "See Note 1 in 4.9.3" as follows. (The Notes in Table D.1 are unchanged.)
Wavelength Hazard level
and fibre type
1 1M 2 2M 3R 3B
633 nm (MM) 1,95 mW 3,77 mW 5,00 mW 9,66 mW 25,0 mW 500 mW
(+2,9 dBm) (+5,8 dBm) (+7,0 dBm) (+9,9 dBm) (+14,0 dBm) (+27,0 dBm)
780 nm (MM) 2,82 mW 5,45 mW – – 14,5 mW 500 mW
(+4,5 dBm) (+7,4 dBm) (+11,6 dBm) (+27,0 dBm)
850 nm (MM) 3,89 mW 7,52 mW – – 20,0 mW 500 mW
(+5,9 dBm) (+8,8 dBm) (+13,0 dBm) (+27,0 dBm)
980 nm (MM) 7,08 mW 13,7 mW – – 36,3 mW 500 mW
(+8,5 dBm) (+11,4 dBm) (+15,6 dBm) (+27,0 dBm)
980 nm (SM) 1,80 mW 2,66 mW – – 9,21 mW 500 mW
(+2,5 dBm) (+4,2 dBm) (+9,6 dBm) (+27,0 dBm)
1 270 nm (MM) 140 mW 270 mW – – 500 mW 500 mW
(+21,4 dBm) (+24,3 dBm) (+27,0 dBm) (+27,0 dBm)
1 270 nm (SM) 46,2 mW 76,5 mW – – 237 mW 500 mW
(+16,6 dBm) (+18,8 dBm) (+23,7 dBm) (+27,0 dBm)
1 310 nm (MM) 481 mW 500 mW – – 500 mW 500 mW
(+26,8 dBm) (+27,0 dBm) (+27,0 dBm) (+27,0 dBm)
1 310 nm (SM) 166 mW 277 mW – – 500 mW 500 mW
(+22,2 dBm) (+24,4 dBm) (+27,0 dBm) (+27,0 dBm)
1 400 nm to 13,3 mW 371 mW – – See Note 1 in 500 mW
1 600 nm (MM) 4.9.3
(+11,2 dBm) (+25,7 dBm) (+27,0 dBm)
1 420 nm (SM) 10,1 mW 115 mW – - See Note 1 in 500 mW
4.9.3
(+10,0 dBm) (+20,6 dBm) (+27,0 dBm)
1 550 nm (SM) 10,2 mW 136 mW – – See Note 1 in 500 mW
4.9.3
(+10,1 dBm) (+21,3 dBm) (+27,0 dBm)

D.4.1.3 Single-mode fibre
...