| • Hardware | |
| Comm. Controller | MU860 (16C550C compatible) |
| Bus | 32-bit Universal PCI |
| Connector | DB44 female |
| • Serial Interface | |
| Number of Ports | 4 |
| Serial Standards | 2 x RS-232/422/485, 2 x RS-422/485 |
| Max. No. of Boards per PC | 8 |
| • Serial Line Protection | |
| Electrical Isolation | 2 kV (CP-134U-I configured for RS-422/485 only) |
| • Performance | |
| Baudrate | 50 bps to 921.6 kbps (supports non-standard baudrates) |
| • Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Flow Control | RTS/CTS, XON/XOFF, RTS Toggle (RS-232 only) |
| • Serial Signals | |
| RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 | TxD+(B), TxD-(A), RxD+(B), RxD-(A), RTS+(B), RTS-(A), CTS+(B), CTS-(A), GND |
| RS-485-4w | TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND |
| RS-485-2w | Data+(B), Data-(A), GND |
| • Physical Characteristics | |
| Dimensions | CP-134U: 82.5 x 120 mm (3.24 x 4.72 in) CP-134U-I: 115 x 120 mm (4.52 x 4.72 in) |
| • Driver Support | |
| Windows | Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10 (x86/x64), Windows Server 2008 R2/2012/2012 R2/2016 (x64), DOS, Windows Embedded CE 5.0/6.0, Windows XP Embedded |
| Linux | Linux 2.4.x, 2.6.x, 3.x |
| Unix-like Systems | QNX 6, SCO OpenServer, UnixWare 7, Solaris 10, FreeBSD |
| Note | Please refer to Moxa’s website for the latest driver support information. |
| • Environmental Limits | |
| Operating Temperature | Standard Models: 0 to 55°C (32 to 131°F) Wide Temp. Models: -40 to 85°C (-40 to 185°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| • Standards and Certifications | |
| EMC | EN 55032/24 |
| EMI | CISPR 32, FCC Part 15B Class B |
| EMS | IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m |
| • MTBF (mean time between failures) | |
| Time | 480,209 hrs |
| Standard | Telcordia (Bellcore) TR/SR |
| • Power Requirements | |
| Input Current | CP-134U: 180 mA @ 5 VDC CP-134U-I: 850 mA @ 5 VDC |
| • Warranty | |
| Warranty Period | 5 years |
| Details | See www.moxa.com/warranty |

MOXA, Multiport Serial Boards
CP-134U/CP-134U-I
Features and Benefits
- Over 700 kbps data throughput for top performance
- 921.6 kbps maximum baudrate for super fast data transmission
- ADDC® provides automatic data direction control for RS-485 signals
- 128-byte FIFO and on-chip H/W, S/W flow control
- Compatible with 3.3/5 V PCI and PCI-X
- Drivers provided for a broad selection of operating systems, including the latest Windows and Linux
- Added bonus! Ports 1 and 2 support RS-232 and RS-422/485
- Wide temperature model available for -40 to 85°C environments

