TN-10GSFP-LR4M-D55 TN-10GSFP-LR4M-D56 TN-10GSFP-LR4M-D57 TN-10GSFP-LR4M-D58 TN-10GSFP-LR4M-D59 TN-10GSFP-LR4M-D60 TN-10GSFP-LR8M TN-10GSFP-LR8M-C47 TN-10GSFP-LR8M-C49 TN-10GSFP-LR8M-C51