Sealevel Systems, Inc.
SINCE 1986, Sealevel Systems has manufactured quality Serial and Digital I/O products to serve our customers' interface requirements. Whether you need RS-232, RS-422, or RS-485 connectivity or robust digital input/output capabilities, Sealevel has a solution. High reliability backed by a Lifetime Warranty and customer support second to none are standard with all Sealevel I/O products. Today, we provide Serial and Digital solutions for multiple platforms, including PCI Bus, Low Profile/Universal Bus PCI, PC/104, PCMCIA, Ethernet, USB, CompactFlash, Compact PCI and Serial Converters. Our product line has recently expanded to include the Relio™ family of industrial computers, offering solid-state reliability and scalable I/O expansion.
- (864) 843-4343
- (864) 843-3067
- sales@sealevel.com
- PO Box 830
2779 Greenville Highway
Liberty, SC 29657
United States of America
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product
Low Profile PCI Express 2-Port
7204ec
The 7204ec low-profile PCI Express serial interface provides two serial ports configurable for RS-422 or RS-485. Each serial port features an ultra high-speed UART, flexible clock prescalar, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud rates exceeding 1 Mbps. These features make the 7204ec ideal for data intensive applications that require reliable, ultra-fast throughput rates.
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product
Low Profile PCI 24 Channel TTL Digital Interface
8018
The 8018 Low Profile PCI digital I/O interface provides 24 channels of buffered drive digital I/O emulating 8255 mode zero. The board can be utilized for PC-based control and automation of equipment including sensors, switches, security control systems, and other industrial automation systems.
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product
Low Profile PCI Express 4-Port
7406e
The 7406e low profile PCI Express serial interface provides four RS-232 serial ports. For maximum compatibility with a wide range of peripherals, the board supports all standard RS-232 modem control signals. The serial ports utilize a 16C954 UART with 128-byte Tx/Rx FIFOs that enables data rates to 921.6K bps for reliable high-speed communications in data intensive applications. This high-performance UART includes 9-bit framing support and is fully software compatible with legacy 16550 applications. In addition, the board derives a 62.5 MHz clock from the PCI Express link. This ultra-high speed clock is divided by a flexible 8-bit clock prescalar with 1/8 steps to provide support for the widest range of standard and non-standard baud rates.
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product
MIL-STD-1553 Eight-Channel PMC Board
BRD1553PMC-STD-8
The PMC HyperBoard is a multi-standard PCI Mezzanine Card that contains eight channels of MIL-STD-1553 communication. The board is compatible with MIL-STD-1553B and MIL-STD-1760. Each channel can be configured independently to work with H009 and WB-194 in conjunction with MIL-STD-1553.
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product
PCI 48 Channel TTL Digital Interface
8005
The 8005 digital I/O interface provides 48 channels of buffered drive digital I/O emulating 8255 mode zero, which can be utilized for PC based control and automation of equipment including sensors, switches, security control systems, and other industrial automation systems. 10K pull-up resistors are included. Optional values are available.
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product
PCI Digital I/O Cards
Sealevel PCI digital I/O cards are available with optically isolated inputs and Reed relay outputs. For high-voltage requirements, TTL versions provide convenient connections to industry-standard solid-state relay racks. Sealevel low profile PCI digital I/O boards meet the requirement for the MD1 low profile specification and feature Universal Bus (3.3V and 5V) for compatibility with both new and legacy computer systems.
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product
Low Profile PCI Express 2-Port RS-232, RS-422, RS-485 Serial Interface
7205e
The 7205e low-profile PCI Express serial interface provides two serial ports configurable for RS-232, RS-422 or RS-485. Each serial port utilizes a 16C950 UART with 128-byte Tx/Rx FIFOs that enables data rates to 921.6K bps for reliable high-speed communications in data-intensive applications. This high-performance UART includes 9-bit framing support and is fully software compatible with legacy 16550 applications. In addition, the 14.7456 oscillator and UART’s flexible clock prescalar supports the widest range of standard and non-standard baud rates.
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product
MIL-STD-1553 Two-Channel PMC Board
BRD1553PMC-STD-2
The PMC HyperBoard is a multi-standard PCI Mezzanine Card that contains two channels of MIL-STD-1553 communication. The board is compatible with MIL-STD-1553B and MIL-STD-1760. Each channel can be configured independently to work with H009 and WB-194 in conjunction with MIL-STD-1553.
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product
PCI 8 Reed Relay Output / 8 Isolated Input Digital Interface
8012SH
The 8012SH is Universal Bus (3.3V and 5V) compatible and ships with the standard size PCI bracket to allow installation in a full-size PCI slot. If you have a Low Profile PCI slot, order the 8012H. The inputs on the 8012SH are rated for 10-30V. For 3-13V inputs, order the 8012S.
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product
Low Profile PCI 8 Reed Relay Output
8012H
Optimized for sensing 24V inputs, the 8012H Low Profile PCI digital interface provides eight Reed relay outputs (SPST) and eight optically isolated inputs supporting 10-30V. Reed relays are well suited for low current applications. The relays are normally open, and close when energized. The board is MD1 Low Profile and Universal Bus (3.3V and 5V) compatible.
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product
PCI 16 Isolated Input Digital Interface (10-30V)
8006H
Optimized for sensing up to 24V inputs, the 8006H PCI digital I/O interface provides 16 optically isolated inputs for connection to devices including sensors, switches, push buttons, and other user inputs.
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product
PCI Express 2-Port
7203e
The 7203e PCI Express serial interface provides two optically isolated serial ports, each individually configurable for RS-232, RS-422, or RS-485. Each serial port utilizes a 16C952 UART with 128-byte Tx/Rx FIFOs that enables data rates to 460.8K bps for reliable high-speed communications in data-intensive applications. This high-performance UART includes 9-bit framing support and is register compatible with legacy 16550 software applications. In addition, the board derives a 62.5 MHz clock from the PCI Express link. This ultra-high-speed clock is divided by a flexible 8-bit clock prescalar with 1/8 steps to provide support for the widest range of standard and non-standard baud rates.
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product
PCI 16 Isolated Input Digital Interface (3-13V)
8006
The 8006 PCI digital I/O interface provides 16 optically isolated inputs for connection to devices including sensors, switches, push buttons, and other user inputs. The inputs can sense both AC and DC voltage while providing optical isolation, which eliminates spikes and surges present in industrial environments.
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product
PCI 16 Reed Relay Output Digital Interface
8003
The 8003 PCI digital I/O interface provides 16 Reed relay outputs provide high quality, long-life, low current (10 Watt maximum), dry contact switch closures. Reed relays are well suited for low-current applications. The relays are normally open, and close when energized. Writing a 1 to the proper port bit can individually energize each relay.
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product
PCI 24 Channel TTL Digital Interface
8018S
The 8018S Low Profile PCI digital I/O interface provides 24 channels of buffered drive digital I/O emulating 8255 mode zero. The board can be utilized for PC-based control and automation of equipment including sensors, switches, security control systems, and other industrial automation systems.