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Digi International
Digi International AccelePort 4r 920 77000560 4-port RS-232 PCI expansion card
Adds four RS-232 serial ports via a universal PCI slot with data rates up to 921.6 Kbps
- TypePCI to Serial Port Card
- Data Transfer RateUp to 921.60 Kbps
- CompatibilityOperating Systems: Microsoft Windows .NET Server 2003 Micros
- FeaturesCard: Universal Card (3.3V and 5V) PCI Slot: 32- and 64-bit
- Dimensions6.88" x 0.50" x 4.20"
- Four RS-232 ports for multi-user serial connectivity
- Universal 3.3 V and 5 V PCI slot fits 32-bit and 64-bit systems
- Up to 921.6 Kbps throughput driven by 32-bit IDT RISC processor
- Broad OS support from Windows 95 to Linux and Unix variants
- DB-9, DB-25 and RJ-45 connectors included for flexible cabling
AccelePort 4r 920 four-port serial card
The Digi International AccelePort 4r 920 adds four RS-232 ports through a single PCI slot. It suits retail point-of-sale, industrial control, data collection and office automation systems that still rely on serial connections. The card also supports Remote Access Service deployments needing multiple concurrent lines.
DB-9 DB-25 RJ-45 connector flexibility
The board ships with DB-9, DB-25 and RJ-45 interfaces so integrators can match legacy cabling without extra adapters. A 32-bit IDT RISC processor handles the I/O load, freeing the host CPU for application work. Universal 3.3 V and 5 V signalling lets the card install in either voltage environment.
PCI 2.3 PCI-X bus ceiling
Throughput tops out at 921.6 Kbps per port, which the shared PCI 2.3 or PCI-X bus must sustain across all four channels simultaneously. The 32-bit and 64-bit slot compatibility eases installation, but total bandwidth cannot exceed what the host bus provides. Buyers needing higher per-port rates or more than four ports must look beyond this architecture.
Punti di forza
- Four RS-232 ports for multi-user serial connectivity
- Universal 3.3 V and 5 V PCI slot fits 32-bit and 64-bit systems
- Up to 921.6 Kbps throughput driven by 32-bit IDT RISC processor
- Broad OS support from Windows 95 to Linux and Unix variants
- DB-9, DB-25 and RJ-45 connectors included for flexible cabling
Caratteristiche tecniche
| Brand | Digi International |
|---|---|
| Series | AccelePort 4r 920 |
| Model | 77000560 |
| Type | PCI to Serial Port Card |
| Data Transfer Rate | Up to 921.60 Kbps |
| Compatibility | Operating Systems: Microsoft Windows .NET Server 2003 Microsoft Windows XP, 2000, NT Microsoft Windows 95/98/Me Solaris SPARC and Intel Novell NetWare HP-UX Linux OpenVMS OS/2 QNX SCO OpenServer SCO UnixWare Tru64 |
| Features | Card: Universal Card (3.3V and 5V) PCI Slot: 32- and 64-bit PCI slot Compatibility: PCI 2.3/PCI-X Serial Ports: RS-232 Serial Connector: DB-9, DB-25, RJ-45 Throughput: Up to 921.6 Kbps Processor: 32-bit IDT RISC processor on board Surge Protection: 20 kV on all pins Safety: UL 1950, EN60950 Emissions / Immunity: FCC Part 15 (Class B), EN55022 (Class B), ICES 003 (Class B), VCCI (Class B), EN50082-2 16C654 Quad UARTs, Software configurable bus port, Full modem control, Hardware/Software handshaking, Slave design Typical (+5V): 955 mA Typical (+12V): 40 mA Typical (-12V): 40 mA Operati |
| Dimensions | 6.88" x 0.50" x 4.20" |
| Peso di spedizione | 0.50 kg |
| Dimensioni del pacco | 254 × 203 × 51 mm |
Domande su questo articolo
Will the DB-9, DB-25 or RJ-45 connectors on this 77000560 card need periodic replacement under heavy serial traffic?
The connectors are standard passive interfaces; they do not wear out from data throughput alone and only require attention if physical damage or corrosion occurs.
What limits sustained throughput on this AccelePort 4r 920 when all four ports run continuously at 921.6 Kbps?
The 32-bit IDT RISC processor and the PCI 2.3 bus set the ceiling; aggregate bandwidth cannot exceed the card's rated 921.6 Kbps per port.
How much heat or extra power does this universal 3.3 V and 5 V PCI card add when it runs all day in a server?
The card draws power directly from the PCI slot and has no active cooling; heat output is low and typical for a 32-bit RISC serial controller.
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