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Black metal rack-mount box with eight DB9 ports and USB Type B input

STARTECH

STARTECH ICUSB23208FD 8-port USB 2.0 to RS232 converter

SKU CH-ZPZ4-Z16QN MPN ICUSB23208FD

Adds eight RS232 serial ports through one USB 2.0 connection with 921.6 Kbps per port in a rack-mountable metal chassis

  • Cable length35.4 in (900 mm)
  • Adapter typeUSB to DB9 (RS-232)
  • First connector1x USB 2.0 Type B female
  • Second connector8x DB-9 male
  • Cable jacketAluminum
  • Product colorBlack
  • Add eight serial ports through one USB 2.0 connection
  • Each port delivers 921.6 Kbps baud rate
  • FTDI chipset retains COM port assignments after reboot
  • All-metal chassis mounts in rack or on DIN rail
  • Operating range spans -40°C to 85°C

Eight RS232 ports via USB 2.0

The StarTech ICUSB23208FD converts a single USB 2.0 Type B connection into eight DB-9 male serial ports. Each port supports RS-232 communication at up to 921.6 Kbps using an FTDI chipset with COM port retention. The hub is housed in an all-metal chassis rated for an extended operating temperature range of -40°C to 85°C (-40°F to 185°F). A 900 mm USB cable and universal power adapter are included.

Industrial automation

Engineers maintaining PLCs, CNC machines, or serial instrumentation gain eight reliable COM ports from one USB host without driver conflicts. IT teams managing headless servers or network switches obtain console access at scale. Users needing only one or two ports, or those requiring USB 3.x throughput, should consider simpler adapters.

FTDI chipset with COM port retention

The FTDI controller preserves port assignments across reboots, eliminating the re-enumeration issues common with generic silicon. This behaviour is the decisive factor for unattended industrial deployments where consistent device naming is mandatory.

How it compares

Measured against everything we stock in USB Adapter Cables & Dongles, at today’s prices. Recalculated every night.

Price $245.99
Pricier than about 93% of the 1,430 comparable items (median $14.99).

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Specifications

Product
Brand nameStarTech.com
Model nameICUSB23208FD
Product colorBlack
Adapter typeUSB to DB9 (RS-232)
Ports & slots
First connector1x USB 2.0 Type B female
Second connector8x DB-9 male
Size & build
Cable length35.4 in (900 mm)
Cable jacketAluminum
Product dimensions1.8 in × 4.7 in × 16.9 in
Product weight48.2 oz
Shipping weight2.16 kg
Package size457 × 406 × 356 mm
In the box
In the box1 × 8-port USB to RS232 hub
1 x USB 2.0 cable
2 x rack-mounting brackets
8 x rack-mounting screws
2 x DIN-rail mounting brackets
4 x DIN-rail mounting screws
4 x washers
4 x nuts
1 x universal power adapter (NA/JP, UK, EU, AU)
1 x driver CD
1 x terminal block plug
1 x quick-start guide

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