GLC-SX-MMD= Transceiver/1000BASE-SX SFP Module MMF
GLC-T-C Cisco transceiver module
Cisco transceiver module compatibile
ISR4321/K9 Cisco ISR 4321 2GE 2NIM 4G FLASH 4G DRAM
ISR4331-SEC/K9 Cisco ISR 4331 Sec bundle w/SEC license
ISR4331/K9 Cisco ISR 4331 2GE 2NIM 1SM 4G FLASH 4G