支持 - Optical testing modules 支持 Americas 支持 Americas Field network testing, lab and manufacturing testing and EXFO Connect solutions Phone: +1-418-683-5498 Other countries Toll-free: +1-866-683-0155 USA and Canada Contact us Field network testing, wireless solutions Toll-free: +1-800-663-3936 USA and Canada Fax: +1-972-761-9067 Contact us Service assurance Phone: +1-978-367-5789 Other countries Toll-free: +1-877-261-3279 USA Contact us 支持 EMEA 支持 EMEA Field network testing, lab and manufacturing testing and EXFO Connect solutions Phone:+44-2380-246-800 Toll-free:+800-2255-3936 Contact us Field network testing, wireless solutions Phone: +358-403-010-300 Toll-free: +358-8-564-5203 Contact us Service assurance Phone: +1-978-367-5789 Other countries Toll-free: +1-877-261-3279 USA Contact us 支持 APAC 支持 APAC Field network testing, lab and manufacturing testing and EXFO Connect solutions Phone: +65-6333-8241 Asia-Pacific Contact us (Asia-Pacific) Phone: +86-10-8950-8858 China Toll-free: +400-610-6999 China Contact us (China) Field network testing, wireless solutions Phone: +91-020-67209130 Fax: +91-124-4868378 Contact us Service assurance Phone: +1-978-367-5789 Other countries Toll-free: +1-877-261-3279 USA Contact us 联系我们 客户服务 联系销售代表 技术支持 支持 Americas 支持 Americas Field network testing, lab and manufacturing testing and EXFO Connect solutions Phone: +1-418-683-5498 Other countries Toll-free: +1-866-683-0155 USA and Canada Contact us Field network testing, wireless solutions Toll-free: +1-800-663-3936 USA and Canada Fax: +1-972-761-9067 Contact us Service assurance Phone: +1-978-367-5789 Other countries Toll-free: +1-877-261-3279 USA Contact us 支持 EMEA 支持 EMEA Field network testing, lab and manufacturing testing and EXFO Connect solutions Phone:+44-2380-246-800 Toll-free:+800-2255-3936 Contact us Field network testing, wireless solutions Phone: +358-403-010-300 Toll-free: +358-8-564-5203 Contact us Service assurance Phone: +1-978-367-5789 Other countries Toll-free: +1-877-261-3279 USA Contact us 支持 APAC 支持 APAC Field network testing, lab and manufacturing testing and EXFO Connect solutions Phone: +65-6333-8241 Asia-Pacific Contact us (Asia-Pacific) Phone: +86-10-8950-8858 China Toll-free: +400-610-6999 China Contact us (China) Field network testing, wireless solutions Phone: +91-020-67209130 Fax: +91-124-4868378 Contact us Service assurance Phone: +1-978-367-5789 Other countries Toll-free: +1-877-261-3279 USA Contact us 联系我们 客户服务 联系销售代表 技术支持 支持 - Product categories 支持 - Benchtop and rackmounts 支持 - FTB series 支持 - Handheld units 支持 - LTB series 支持 - MaxTester series 支持 - Network protocol testing modules 支持 - Optical testing modules 支持 - PC software 支持 - Service assurance 740C xWDM OTDR Series FTB-5500B FTB-5600 FTB-5700 FTB-5800 FTB-7400E FTB-7600E FTB-LTC/PSB/SPSB FTBx-1750 FTBx-2150 FTBx-2250 FTBx-2850 FTBx-3500 FTBx-5205 FTBx-5235 FTBx-5243-HWA FTBx-5245/5255 Field FTBx-5245/5255 Lab FTBx-720C FTBx-730C FTBx-735C FTBx-750C FTBx-9160 FTBx-945 Fiber Certifier OLTS FTBx-945 Telco OLTS FTBx-9600