Product specifications
TP-Link ISM321A-20 network transceiver module Fiber optic 1250 Mbit/s SFP
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ISM321A-20 1000Base-BX WDM Bi-Directional Industrial SFP Module
Part ISM321A-20 · UPC 840460600897
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Add to cart Continue browsing- WDM Bi-Directional
- 1x Gigabit LC Port
- Single-mode
- Up to 20 km Distance
- Support DDM
- Industrial Operating Temperature Range:-40-85°C
- Hot Swappable
Performance
- SFP transceiver type
- Fiber optic
- Maximum data transfer rate
- 1250 Mbit/s
- Interface type
- SFP
- Single-mode fiber (SMF) supported
- Yes
- Fiber optic connector
- LC (UPC)
- Fiber cable diameters supported (core/cladding)
- 9/125 µm
- Maximum transfer distance
- 20000 m
- Ethernet interface type
- 1.25 Gigabit Ethernet
- Networking standards
- IEEE 802.3z
Features
- Product colour
- Grey
- Hot-swap
- Yes
Power
- Input voltage
- 3.3 V
Certificates
- Certification
- FCC, CE
Operational conditions
- Minimum operating temperature
- -40 °C
- Maximum operating temperature
- 85 °C
- Storage temperature (T-T)
- -40 - 85 °C
- Operating relative humidity (H-H)
- 5 - 85%
- Storage relative humidity (H-H)
- 5 - 85%
Weight & dimensions
- Width
- 56.4 mm
- Depth
- 13.4 mm
- Height
- 11 mm
Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License