Electrical specifications, Onnector, Inouts – Impulse 2123 User Manual
Page 15

Electrical Specifications
The 2123 connects to a single USB port and provides a single RS-232/422/485
software configurable serial port. The 2123 utilizes high speed USB/UARTs with
128-byte Tx FIFOs and 384-byte Rx FIFOs. The chips feature programmable baud
rates and data rates to 921.6K bps.
Connector Pinouts
RS-232 (DB9 Male)
Pin #
Signal
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
RS-422 & RS-485 Four-Wire (DB9 Male)
Pin #
Signal
1 RX+
2 RX-
3 TX-
4 TX+
5 GND
Note: Pins 6-9 are ‘no connect’
RS-485 Two-Wire (DB9 Male)
Pin #
Signal
3 DATA-
4 DATA+
5 GND
Note: Pins 1, 2, 6-9 are ‘no connect’
© Sealevel Systems, Inc.
- 13 -
SeaLINK.SC User Manual
See also other documents in the category Impulse Hardware:
- 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)