Sealevel Systems                                                         

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.

                               

Serial I/O - AsyncSerial I/O - SyncDigital I/OAnalog I/OComputersPCIUSBPCMCIA
 

EthernetPC/104Compact FlashCompact PCIConvertersISAeI/O
ISA

 

ISA : SERIAL I/O - ASYNC    
PRODUCT
PORTS
ITEM#
ISA RS-232, RS-422, RS-485 Serial Interface
2
3083
ISA RS-422, RS-485 Serial Interface
1
3055
ISA RS-232 Serial Interface
2
3088
ISA RS-422, RS-485 Serial Interface
2
3089
ISA RS-422, RS-485 Isolated Serial Interface
2
3189
ISA RS-232, RS-422, RS-485 Serial Interface
2
3087
ISA RS-232 Serial Interface
4
3405
ISA RS-422, RS-485 Serial Interface
4
3440
ISA RS-232 Serial Interface
8
3420
ISA : SERIAL I/O - SYNCHRONOUS    
PRODUCT
PORTS
ITEM#
ISA RS-232, V.35 High-Speed Synchronous Serial Interface (uses Z85230)
1
4021
ISA RS-232, RS-422, RS-485, RS-530 High-Speed Synchronous Serial Interface (uses Z85230)
1
4061
ISA RS-232 High-Speed Synchronous Serial Interface (uses Z85230)
2
4010
ISA RS-422, RS-485, RS-530 High-Speed Synchronous Serial Interface (uses Z85230)
2
4111
PRODUCT
PORTS
ITEM#
ISA 8 Reed Relay Output / 8 Isolated Input Digital Interface
8/8
3096
ISA 16 Optically Isolated Input Digital Interface
16
3094
ISA 16 Reed Relay Output Digital Interface
16
3095
ISA 16 Reed Relay Output / 16 Isolated Input Digital Interface
16/16
3093
ISA 32 Switched Relay Output Digital Interface
32
3098
ISA 48 Channel TTL Digital Interface
48
4030