Sealevel Serial, I/O, and Embedded Computing Solutions

We supply Sealevel Systems' high-reliability serial, digital I/O, and embedded computing products built for long-term operation in harsh and highly regulated environments.

Their range includes PCIe and PCI serial cards, Ethernet-to-serial devices, industrial I/O modules, and fanless embedded computers. Built for use in military, medical, and industrial environments, Sealevel products are known for rock-solid performance, extended lifecycle support, and compliance with strict operational standards.

Explore our Sealevel product range or get in touch for specialist advice.

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Sealevel Products

Showing 300 of 428 Sealevel Products items

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DB116-ROHS
Sealevel DB116-ROHS
DB9 Male to RJ45 - Preconfigured for 4161/4163 (RS-232)
DB113-ROHS
Sealevel DB113-ROHS
DB9 Male to DB9 Female Low Profile Null Modem Adapter
DB112-ROHS
Sealevel DB112-ROHS
DB9 Female to RJ45 - Preconfigured for 7107 (RS-485)
DB111-ROHS
Sealevel DB111-ROHS
DB9 Female to RJ45 Modular Adapter (RS-485 Pinout) for SeaI/O Modules
DB109-ROHS
Sealevel DB109-ROHS
DB9 Female to RJ45 Modular Adapter (RS-232 Pinout) for SeaI/O Modules
DB104-ROHS
Sealevel DB104-ROHS
DB25 Female (RS-422) to DB9 Female (Opto 22 Optomux) Converter
DB103-ROHS
Sealevel DB103-ROHS
DB9 Female (RS-422) to DB9 Female (Opto 22 Optomux) Converter
CF104
Sealevel CF104
PC/104 to CompactFlash Adapter
CA539-ROHS
Sealevel CA539-ROHS
91cm USB Type A to USB Type B Device Cable
CA536-ROHS
Sealevel CA536-ROHS
130cm USB Type-A Extension Cable
CA490-ROHS
Sealevel CA490-ROHS
182cm DB78 Male to DB78 Male Extension Cable
CA429-ROHS
Sealevel CA429-ROHS
182cm R9 Serial Debug Cable
CA383-ROHS
Sealevel CA383-ROHS
35cm Internal USB Cable for 2mm Box Header Connectors
CA382-ROHS
Sealevel CA382-ROHS
35cm Internal USB Cable for Sealevel 2mm Molex Connectors
CA378-ROHS
Sealevel CA378-ROHS
100cm DB78M to DB37F Input / DB37M Output Cable
CA342-ROHS
Sealevel CA342-ROHS
24" USB Type A to Sealevel 2mm Molex Connector
CA339-ROHS
Sealevel CA339-ROHS
91cm Molex 100-Pin to 4x DB25M Cable
CA338-ROHS
Sealevel CA338-ROHS
76cm 40-Pin IDC Ribbon Cable to 2x DB25M Connectors
CA321-ROHS
Sealevel CA321-ROHS
100cm 2x 26-Pin IDC to 50-Pin Edge Connector Ribbon Cable
CA273-ROHS
Sealevel CA273-ROHS
36cm 40-Pin IDC Ribbon Cable to 4x DB9M Connectors
CA260-ROHS
Sealevel CA260-ROHS
35cm Internal USB Cable for 2.54mm Box Header Connectors
CA241-ROHS
Sealevel CA241-ROHS
DB9F to DB25M RS-232 Converter
CA239-ROHS
Sealevel CA239-ROHS
12cm RS-485 Interconnect Cable - for SeaI/O, Relio R1100 Systems
CA237-ROHS
Sealevel CA237-ROHS
DB78M to 2x IDC 50-Pin Ribbon Connectors;
CA233-ROHS
Sealevel CA233-ROHS
182cm DB78M to DB78F Extension Cable
CA231-ROHS
Sealevel CA231-ROHS
91cm Micro DB68 to 8 x DB9M Cable
CA222-ROHS
Sealevel CA222-ROHS
45cm 40-Pin IDC to 40-Pin IDC Ribbon IDE Cable
CA215-ROHS
Sealevel CA215-ROHS
500cm USB Type-A to USB Type-B Cable
CA213-ROHS
Sealevel CA213-ROHS
274cm DB9F to DB9F Null Modem Cable
CA211-ROHS
Sealevel CA211-ROHS
15cm 40-Pin IDC Ribbon to DB37F Cable
CA206-ROHS
Sealevel CA206-ROHS
182cm DB44M to DB37M Cable
CA202-ROHS
Sealevel CA202-ROHS
91cm Micro DB68 to 8 x DB25M Cable
CA200-ROHS
Sealevel CA200-ROHS
91cm DB44M to 4 x DB9M Cable
CA199-ROHS
Sealevel CA199-ROHS
91cm DB44M to 4 x DB25M Cable
CA197-ROHS
Sealevel CA197-ROHS
45cm 50-Pin IDC to 50-Pin IDC Ribbon Cable
CA190-ROHS
Sealevel CA190-ROHS
182cm DB9F RS-422 to 207M SMPTE Cable
CA186-ROHS
Sealevel CA186-ROHS
182cm DB9F to Tinned Leads Cable
CA185-ROHS
Sealevel CA185-ROHS
182cm DB44M to DB44F Extension Cable
CA184-ROHS
Sealevel CA184-ROHS
182cm DB44M to 1x DB37F Input and 1 DB37M Output,
CA178-ROHS
Sealevel CA178-ROHS
182cm DB25F V.35 to ITU-T ISO-2593 Style Connector V.35 Cable
CA177-ROHS
Sealevel CA177-ROHS
182cm DB9F to DB25M Standard RS-232 Modem Cable
CA176-ROHS
Sealevel CA176-ROHS
25cm DB9F RS-422 to DB25M RS-530 Cable
CA174-ROHS
Sealevel CA174-ROHS
182cm DB25F to DB25M Twisted Pair Serial Cable
CA159-ROHS
Sealevel CA159-ROHS
182cm DB25F RS-530 to DB15 Male X.21 Cable
CA152-ROHS
Sealevel CA152-ROHS
20cm 10-Pin IDC Ribbon Cable to DB9M
TR156-ROHS
Sealevel TR156-ROHS
24W International Wall Mount Power Supply
TR135-ROHS
Sealevel TR135-ROHS
48W Desktop Power Supply
4801
Sealevel 4801
8 Port RS-232 Ethernet Serial Device Server
4802
Sealevel 4802
8 Port RS-422/485 Ethernet Serial Device Server
4803
Sealevel 4803
8 Port RS-232/422/485 Ethernet Serial Device Server
4403
Sealevel 4403
4 Port RS-232/422/485 Ethernet Serial Device Server
4104
Sealevel 4104
1 Port RS-232/422/485 Ethernet Serial Device Server
4161
Sealevel 4161
16 Port RS-232 Ethernet Serial Device Server
4162
Sealevel 4162
16 Port RS-422/485 Ethernet Serial Device Server
4163
Sealevel 4163
16 Port RS-232/422/485 Ethernet Serial Device Server
4201
Sealevel 4201
2 Port RS-232 Ethernet Serial Device Server
4202
Sealevel 4202
2 Port RS-422/485 Ethernet Serial Device Server,
4203
Sealevel 4203
2 Port RS-232/422/485 Ethernet Serial Device Server
4101
Sealevel 4101
1 Port RS-232 Ethernet Serial Device Server
4102
Sealevel 4102
1 Port RS-422/485 Ethernet Serial Device Server
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Showing 300 of 428

What Is Sealevel’s Specialty?
Sealevel focus on serial and I/O expansion solutions, including USB-to-serial adaptors, digital I/O modules and embedded control systems. Their designs are trusted where reliable connectivity is required across industrial and military sectors.

Why Choose Sealevel Hardware?
With extensive experience in serial communications, Sealevel products provide the robust connectivity needed to extend the life of legacy equipment. Many models also meet MIL-STD specifications for defence projects.

Why Source in the UK Through Impulse?
We deliver Sealevel hardware to our UK customers with technical guidance and lifecycle support, ensuring integration is seamless and supply is dependable across long-term projects.