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Praćeni artikli Prijava
Green PCI expansion card with four DB-9 serial ports and a metal bracket

Digi International

Digi International AccelePort 4r 920 77000560 4-port RS-232 PCI expansion card

SKU CH-GNRS-8XH3W MPN 77000560

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.

Istaknuto

  • 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

Specifikacije

BrandDigi International
SeriesAccelePort 4r 920
Model77000560
TypePCI to Serial Port Card
Data Transfer RateUp to 921.60 Kbps
CompatibilityOperating 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
FeaturesCard: 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
Dimensions6.88" x 0.50" x 4.20"
Težina pošiljke0.50 kg
Dimenzije pakiranja254 × 203 × 51 mm

Pitanja o ovom artiklu

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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