Cart Continue shopping “H31-331-ENU Huawei Certified Network Professional-OTN Transmission” has been added to your cart. Product Price Quantity Subtotal × H31-331-ENU Huawei Certified Network Professional-OTN Transmission $129.00 H31-331-ENU Huawei Certified Network Professional-OTN Transmission quantity $129.00 Coupon: Apply coupon Update cart Cart totals Subtotal $129.00 Total $129.00 — OR — Proceed to checkout