Technical description – Impulse 7105 User Manual
Page 9

Technical Description
Sealevel Systems ULTRA 485.PCI Page
9
Technical Description
The Sealevel Systems ULTRA 485.PCI provides an additional asynchronous serial port, field selectable as
RS-422/485/530 for industrial automation and control applications.
The ULTRA 485.PCI utilizes the EXAR 16C850 UART. This chip features programmable baud rates, data format,
interrupt control and an industry leading 128 byte FIFOs.
Connector Pin Assignments
RS-422/485/530 Pin Assignments (DB-25 Male DTE)
Signal
Name
Pin
# Mode
GND
Ground
7
RDB
RX+
Receive Positive
16
Input
RDA
RX-
Receive Negative
3
Input
CTSB
CTS+
Clear To Send Positive
13
Input
CTSA
CTS-
Clear To Send Negative
5
Input
TDB
TX+
Transmit Positive
14
Output
TDA
TX-
Transmit Negative
2
Output
RTSB
RTS+
Request To Send Positive
19
Output
RTSA
RTS-
Request To Send Negative
4
Output
Note: These assignments meet the EIA/TIA/ANSI-530 DTE.
- PCW-5181 (120 pages)
- PCM-4373 (2 pages)
- EPIC-5536 (2 pages)
- EPIC-CV07 (2 pages)
- EPIC-QM57 (2 pages)
- EPIC-QM77 (2 pages)
- VSX-6118-V2 (1 page)
- VSX-6116-V2 (1 page)
- VSX-6115-V2 (1 page)
- VSX-6114-V2 (1 page)
- VDX-6318RD (1 page)
- VDX-6316RD (1 page)
- VDX-6315RD (1 page)
- VDX-6314RD (1 page)
- PCM-5895 Rev. A (2 pages)
- PCM-8120 (2 pages)
- PCM-9562 (3 pages)
- VSX-6127-V2 (1 page)
- PCM-9375 (3 pages)
- GENE-5315W1 Rev. B (2 pages)
- GENE-5315 Rev. A (2 pages)
- VDX-6327RD (1 page)
- VDX-6328RD (1 page)
- VDX-6329RD (1 page)
- VDX-6326RD (1 page)
- PCM-9343 (3 pages)
- GENE-9655 (2 pages)
- PCM-9362 (2 pages)
- GENE-LN05W2 Rev. B (2 pages)
- PCM-9363 (3 pages)
- GENE-TC05W2 (2 pages)
- GENE-CV05W2 (2 pages)
- SBC-210 (1 page)
- GENE-QM57 (2 pages)
- GENE-QM67 (2 pages)
- GENE-QM77 Rev B (2 pages)
- GENE-QM77 Rev A (2 pages)
- GENE-QM87 (1 page)
- EL630-NR (2 pages)
- EL620-C (2 pages)
- SB601-C (2 pages)
- SB600-C (2 pages)
- SB630-CRM (2 pages)
- CL630-CRM (2 pages)
- DL631-C226 (2 pages)