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This image is representative of the product and may not be the exact image of this product.
| Model: 4021 |
| Manufacturer: Sealevel | | SERIAL I/O - Sync/Async, ISA Sync, High-Speed RS-232/V.35, ports: 1, ACB 56 |
| Product Status: Special Order - Special Order, Non-Cancellable / Non-Returnable (NCNR)- may be subject to extended lead time and / or minimum order. Stock Status: Call |
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The Sealevel Systems ACB 56 provides the PC with two communications ports, a single Sync/Async channel jumper selectable as RS-232 or V.35, and a single Asynchronous RS-232 port. Use the Async RS-232 port on the ACB 56 to control and monitor a CSU/DSU. The Sealevel ACB DOS Developer's Toolkit is included along with SeaMAC, DOS SDLC Media Access Control Driver, to shorten development time. SeaMAC Windows Drivers are also included supporting various protocols. Check out our "Getting Started with ACB Synchronous cards" guide to get up and running quickly.
Features:
- Single channel Sync/Async with CSU/DSU control port
- 85230 ESCC (Enhanced Serial Communications Controller)
- DMA supports data rate greater than 1 million bps
- Full duplex DMA transfer capability
- Selectable port address, IRQ level (2-5, 7, 10-12 and 15) and DMA channel (1 or 3)
- V.35 interface with full modem control signals
- RS-232 interface modem control signals supported: TD, RD, RTS, CTS, DSR, DCD, DTR, TXC, RXC, TT
- Clocks can be inverted for unique installations
- Software programmable baud rate
- Software toolkit including Windows Drivers, Applications and Sample Source Code provided
- Higher speed Enhanced SCCs and CMOS SCCs optional
- Various oscillators available for custom clock rates
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