Cisco SIP phone 7821 not register to Cisco ISR4321

Cisco SIP phone 7821 not register to Cisco ISR4321 blank faceplate for nim slot on cisco isr 4400 Adapter for the NIM in a SM-X slot on the Cisco 4400 or 4300 series ISR Step 2 Remove the blank faceplate installed over the SM slot of the blank slot machine Back panel slots and ports of the Cisco 4451-X ISR 1 Router fan 10 NIM slot 2 11 NIM slot 3 12

blank slot machine See Figure 1-3 for the various NIM and SM-X slot locations Step 3 Loosen the captive screws to open the slot cover Step 4

blank faceplate for nim slot on cisco isr 4400 Buy NIM-BLANK= Blank Faceplate for NIM Slot on Cisco ISR 4000 For ISR4221 at Aliexpress for Find more , and products Enjoy ✓Free Shipping Worldwide! I have Cisco ISR4321 Router as voice gateway with a PRI connection in it Blank faceplate for NIM slot on Cisco ISR 4400 , NIM-1MFT-T1E1, 1 port