Industrial Serial Cards and Adaptors for System Expansion

Expand your system’s connectivity with our wide range of industrial serial cards and adaptors. Available in single and multi-port configurations, these boards support popular bus interfaces including PCI, PCI Express, PC/104, and Mini PCIe, making them ideal for both legacy integration and modern embedded applications.

If you're adding RS-232, RS-422, or RS-485 ports to a workstation or embedded PC, our serial cards offer reliable, high-performance communication in demanding environments.

Not sure which interface you need? Our technical specialists are here to help.

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Serial Cards & Adaptors

Showing 60 of 110 Serial Cards & Adaptors items

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DB116-ROHS
Available to order
Sealevel DB116-ROHS
DB9 Male to RJ45 - Preconfigured for 4161/4163 (RS-232)
DB113-ROHS
Available to order
Sealevel DB113-ROHS
DB9 Male to DB9 Female Low Profile Null Modem Adapter
DB112-ROHS
Available to order
Sealevel DB112-ROHS
DB9 Female to RJ45 - Preconfigured for 7107 (RS-485)
DB111-ROHS
Available to order
Sealevel DB111-ROHS
DB9 Female to RJ45 Modular Adapter (RS-485 Pinout) for SeaI/O Modules
DB109-ROHS
Available to order
Sealevel DB109-ROHS
DB9 Female to RJ45 Modular Adapter (RS-232 Pinout) for SeaI/O Modules
DB104-ROHS
Available to order
Sealevel DB104-ROHS
DB25 Female (RS-422) to DB9 Female (Opto 22 Optomux) Converter
DB103-ROHS
Available to order
Sealevel DB103-ROHS
DB9 Female (RS-422) to DB9 Female (Opto 22 Optomux) Converter
OPT 8B+
Available to order
Moxa OPT 8B+
VHDCI 68 to 8x DB25(M) Connection Box
OPT8-RJ45
Available to order
Moxa OPT8-RJ45
DB62(M) to 8 X RJ45 (8-Pin) Connection Box
OPT8-M9+
Available to order
Moxa OPT8-M9+
VHDCI 68 to 8x DB9(M) Connection Box
OPT8-M9
Available to order
Moxa OPT8-M9
DB62(M) to 8x DB9(M) Connection Box
OPT 8S
Available to order
Moxa OPT 8S
DB62(M) to 8x DB25(F) Connection Box: Surge Protection
OPT 8B
Available to order
Moxa OPT 8B
DB62(M) to 8x DB25(M) Connection Box
OPT 8A
Available to order
Moxa OPT 8A
DB62(M) to 8x DB25(F) Connection Box
NP21103
Available to order
Moxa NP21103
DB25 Terminal Block Kit for RS-422/485
POS-104UL
Available to order
Moxa POS-104UL
4 Port RS-232 Low Profile PCI Serial Card – Power Over Serial
£112.00
PCIE-1622C
Available to order
Advantech PCIE-1622C
8 Port RS-232/422/485 PCI Express Serial Card – Surge – Isolation Protection
£396.50
PCIE-1622B
Available to order
Advantech PCIE-1622B
8 Port RS-232/422/485 PCI Express Serial Card – Surge Protection
£147.50
PCIE-1620A
Available to order
Advantech PCIE-1620A
8 Port RS-232 PCI Express Serial Card – Surge Protection
£112.50
PCIE-1612C
Available to order
Advantech PCIE-1612C
4 Port RS-232/422/485 PCI Express Serial Card – Surge – Isolation Protection
£225.00
PCIE-1612B
Available to order
Advantech PCIE-1612B
4 Port RS-232/422/485 PCI Express Serial Card – Surge Protection
£125.50
PCIE-1610B
Available to order
Advantech PCIE-1610B
4 Port RS-232 PCI Express Serial Card – Surge Protection
£91.00
PCIE-1604C
Available to order
Advantech PCIE-1604C
2 Port RS-232 PCI Express Serial Card – Surge – Isolation Protection
£141.00
PCIE-1604B
Available to order
Advantech PCIE-1604B
2 Port RS-232 PCI Express Serial Card – Surge Protection
£70.50
PCIE-1602C
Available to order
Advantech PCIE-1602C
2 Port RS-232/422/485 PCI Express Serial Card – Surge – Isolation Protection
£137.50
PCIE-1602B
4 in stock
Advantech PCIE-1602B
2 Port RS-232/422/485 PCI Express Serial Card – Surge Protection
£88.00
MIC-3955
Available to order
Advantech MIC-3955
4 Port RS-232/422/485 3U Compactpci Serial Card
£413.50
CA-134I
Available to order
Moxa CA-134I
4 Port RS-422/485 Isolated PC/104 Module, 0°C to +55°C
£326.00
CA-132/132I
Available to order
Moxa CA-132/132I
2 Port RS-422/485 PC/104 Module
£120.50
CA-114
Available to order
Moxa CA-114
4 Port RS-232/422/485 PC/104 Module, 0°C to +55°C
£179.50
CA-108
Available to order
Moxa CA-108
8 Port RS-232 PC/104 Module, 0°C to +55°C
£179.50
CA-104
Available to order
Moxa CA-104
4 Port RS-232 PC/104 Module, 0°C to +55°C
£108.00
CP-168EL-A
Available to order
Moxa CP-168EL-A
8 Port RS-232 PCI Express Serial Card
£204.00
CP-138U
Available to order
Moxa CP-138U
8 Port RS-422/485 Universal PCI Serial Card, 0°C to +55°C
£304.50
CP-138U-I
Available to order
Moxa CP-138U-I
8 Port Isolated RS-422/485 Universal PCI Serial Card, 0°C to +55°C
£585.50
CP-138E-A-I
Available to order
Moxa CP-138E-A-I
8 Port Isolated RS-422/485 PCI Express Serial Card – 4kV Surge Protection
£696.50
CP-134U-I
Available to order
Moxa CP-134U-I
4 Port Isolated RS-422/485 Universal PCI Serial Card – 15kV ESD Protection
£417.00
CP-134U
Available to order
Moxa CP-134U
4 Port RS-422/485 Universal PCI Serial Card – 15kV ESD Protection
£181.00
CP-134EL-A-I
Available to order
Moxa CP-134EL-A-I
4 Port RS-232/422/485 Isolated PCI Express Serial Card – 4kV Surge Protection
£384.00
CP-132UL-I
Available to order
Moxa CP-132UL-I
2 Port Isolated RS-422/485 Low Profile Universal PCI Serial Card
£202.00
CP-132UL
Available to order
Moxa CP-132UL
2 Port RS-422/485 Low Profile Universal PCI Serial Card
£91.00
CP-132EL
Available to order
Moxa CP-132EL
2 Port RS-422/485 Low Profile PCI Express Serial Card – DB9M cable
£115.00
CP-118U-I
Available to order
Moxa CP-118U-I
8 Port Isolated RS-232/422/485 Universal PCI Serial Card, 0°C to +55°C
£745.50
CB-134I
Available to order
Moxa CB-134I
4 Port RS-422/485 Isolated PC/104+ Module, 0°C to +55°C
£430.00
CB-114
Available to order
Moxa CB-114
4 Port RS-232/422/485 PC/104+ Module, 0°C to +55°C
£262.00
CB-108
Available to order
Moxa CB-108
8 Port RS-232 PC/104+ Module, 0°C to +55°C
£242.50
CP-118EL-A
Available to order
Moxa CP-118EL-A
8 Port RS-232/422/485 PCI Express Serial Card
£375.00
CP-118E-A-I
Available to order
Moxa CP-118E-A-I
8 Port RS-232/422/485 Isolated PCI Express Serial Card – 4kV Surge Protection
£806.00
CP-116E-A
Available to order
Moxa CP-116E-A
16 Port RS-232/422/485 PCI Express Serial Card – 4kV Surge Protection
£736.00
CP-114UL-I
Available to order
Moxa CP-114UL-I
4 Port Isolated RS-232/422/485 Low Profile Universal PCI Serial Card, 0°C to +55°C
£413.50
CP-114UL
Available to order
Moxa CP-114UL
4 Port RS-232/422/485 Low Profile Universal PCI Serial Card
£186.50
CP-114EL-I
Available to order
Moxa CP-114EL-I
4 Port Isolated RS-232/422/485 Low Profile PCI Express Serial Card
£393.50
CP-114EL
4 in stock
Moxa CP-114EL
4 Port RS-232/422/485 Low Profile PCI Express Serial Card
£195.50
CP-112UL-I
Available to order
Moxa CP-112UL-I
2 Port Isolated RS-232/422/485 Low Profile Universal PCI Serial Card
£201.00
CP-112UL
Available to order
Moxa CP-112UL
2 Port RS-232/422/485 Low Profile Universal PCI Serial Card
£114.50
CP-104UL
Available to order
Moxa CP-104UL
4 Port RS-232 Low Profile Universal PCI Serial Card
£101.00
CP-104JU
Available to order
Moxa CP-104JU
4 Port RS-232 Low Profile Universal PCI Serial Card: RJ45 Ports, 0°C to +55°C
£114.00
CP-104EL-A
Available to order
Moxa CP-104EL-A
4 Port RS-232 Low Profile PCI Express Serial Card
£159.00
CP-102UL
Available to order
Moxa CP-102UL
2 Port RS-232 Low Profile Universal PCI Serial Card
£60.50
CP-102U
Available to order
Moxa CP-102U
2 Port RS-232 Universal PCI Serial Card, 0°C to +55°C
£54.00
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Showing 60 of 110