DTSM-63Y-V-B DTSM-63Y-V-T/R DTSM-644K-Q-T/R DTSM-644K-S-V-T/R DTSM-644K-V-B DTSM-644K-V-T/R DTSM-644N DTSM-644N-S-V-T/R DTSM-644N-V-B DTSM-644N-V-T/R