---
manufacturer: Ciena
model: 3984 DC
slug: ciena-3984-dc
part_number: 170-3984-900
u_height: 1
weight: 3.4
weight_unit: kg
is_full_depth: false
airflow: passive
front_image: true
console-ports:
  - name: CONSOLE
    type: usb-c
    mgmt_only: true
  - name: USB
    type: usb-c
  - name: 1PPS / 10MHZ
    description: 1PPS / G.703 ToD port in or out (software selectable). SMB connector
    type: other
    mgmt_only: true
  - name: ANT
    type: other
    mgmt_only: true
    description: GNSS/GPS antenna mini SMB.
  - name: SYNC
    type: rj-45
    mgmt_only: true
    description: RJ-45 sync port
power-ports:
  - name: PS-A
    type: dc-terminal
    allocated_draw: 80
    maximum_draw: 110
  - name: PS-B
    type: dc-terminal
    allocated_draw: 80
    maximum_draw: 110
interfaces:
  - name: '1'
    type: 25gbase-x-sfp28
  - name: '2'
    type: 25gbase-x-sfp28
  - name: '3'
    type: 25gbase-x-sfp28
  - name: '4'
    type: 25gbase-x-sfp28
  - name: '5'
    type: 25gbase-x-sfp28
  - name: '6'
    type: 25gbase-x-sfp28
  - name: MGMT
    type: 1000base-t
    mgmt_only: true