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8-Port asynchronous EIA-232E/RS-422A PCI Adapter (FC 2943; CCIN 3-B)
Learn about the specifications for the 8-Port asynchronous EIA-232E/RS-422A PCI Adapter.
The 8-Port asynchronous EIA-232E/RS-422A PCI adapter is a
multi-channel intelligent serial communications feature that supports
speeds of up to 230 Kbps for each asynchronous port and is run by
a 32-bit, 20 MHz, IDT 3041 processor.
Figure 1. Feature 2943
Figure 2. Feature 2943 connector
8-Port asynchronous EIA-232E/RS-422A PCI Adapter specifications
- Item
- Description
- FRU number
- 93H6541 (Not designed to comply with RoHS requirement.)
- I/O bus
- PCI
- Bit rate
- 50 - 230,000 (set by the program)
- Bits for each character
- 5, 6, 7, 8 (set by the program)
- Busmaster
- No
- Maximum number
- 8
- Connector
- 78-pin D-shell female
- Wrap plug
- EIA-232 25-pin, part number 6298964. This wrap plug tests all of the adapter functions for both EIA-232 and RS-422.
- Cable
- 8-Port DB-25 connector box, part number 11H5967 included with adapter
- Modem cable
- EIA-232 modem cable, part number 6323741, feature code 2936, length 3 meters or 10 feet
- RS-422 modem cable, customer supplied (must meet RS-422 requirements)
- Terminal/printer cable
- EIA-232 terminal/printer cable, part number 12H1204, feature code 2934, length 3 meters or 10 feet
- RS-422 terminal/printer cable, part number 30F8966, feature code 2945, length 20 meters or 66 feet
If you are installing a new feature, ensure that you have the software that is required to support the new feature and that you determine whether there are any prerequisites for this feature and attaching devices. To check for the prerequisites, see IBM® Prerequisite website .
8-Port EIA-232E/RS-422A Adapter 78-position and 25-position connectors
The 8-Port asynchronous EIA-232E/RS-422A PCI adapter is shipped with a connector box that provides eight 25 pin D-shell standard connectors.
Figure 3. 25 pin D-shell standard connectors
| Mnemonic EIA-232E/ RS-422A | I/O | Port 0 | Port 1 | Port 2 | Port 3 | Port 4 | Port 5 | Port 6 | Port 7 | 25-Position Connector |
|---|---|---|---|---|---|---|---|---|---|---|
| TxD/TxDb | O | 30 | 50 | 11 | 10 | 40 | 02 | 63 | 64 | 02 |
| RxD/RxDb | | | 55 | 17 | 37 | 56 | 28 | 08 | 46 | 27 | 03 |
| RTS/TxDa | O | 51 | 31 | 12 | 14 | 21 | 41 | 62 | 60 | 04 |
| CTS/RxDa | | | 16 | 53 | 59 | 57 | 25 | 04 | 09 | 45 | 05 |
| DCD/DCD | | | 35 | 33 | 39 | 18 | 43 | 23 | 48 | 06 | 08 |
| DTR/DTR | O | 49 | 32 | 13 | 52 | 22 | 03 | 61 | 01 | 20 |
| DSR/DSR | | | 54 | 34 | 58 | 38 | 05 | 42 | 29 | 26 | 06 |
| RI/NA* | | | 36 | 15 | 20 | 19 | 44 | 24 | 47 | 07 | 22 |
| SGND** | -- | -- | -- | -- | -- | -- | -- | -- | -- | 07 |
| FGND | 01, Cable Shield | |||||||||
Notes:
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