# (c) 2026 NetBox Labs, Inc.
# Licensed under the NetBox Limited Use License v1.0
# https://netboxlabs.com/ndx/license
# Community DTL portions licensed under Apache 2.0:
# https://github.com/netbox-community/devicetype-library
---
manufacturer: Ciena
model: 3903x
slug: ciena-3903x
part_number: 170-3903-910
u_height: 0
is_full_depth: false
weight: 0.74
weight_unit: kg
airflow: passive
comments: '[Ciena 3903x Datasheet](https://www.ciena.com/insights/data-sheets/3903x.html)'
interfaces:
- name: '1'
  type: 1000base-x-sfp
- name: '2'
  type: 1000base-x-sfp
- name: '3'
  type: 1000base-x-sfp
  description: Combo SFP/RJ-45
console-ports:
- name: CONSOLE
  type: rj-45
power-ports:
- name: External PSU
  type: dc-terminal
  maximum_draw: 30
description: Compact Ethernet demarcation device, 2x 100M/1G SFP + 1x combo SFP/RJ-45
