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4-Port FireWire Repeater/HUB

The VS-4FW is a high-performance bidirectional hub/repeater for 6-pin FireWire (IEEE 1394) signals.

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Kramer Electronics

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The VS-4FW is a high-performance bidirectional hub/repeater for 6-pin FireWire (IEEE 1394) signals.

Cascading Operation - multiple units can be cascaded to create a Firewire system with up to 63 ports

Range - Doubles Firewire cable range from 14.75' (4.5m) to 29.5' (9m). Multiple units can be cascaded to extend the range to up to 236' (72m)

Hot Swapping - Supports plug and play

Transfer Rates - 100, 200, and 400Mbps

ESD Protection - Incorporates Kramer's Spark-Guard ProTM signal protection circuitry to help protect against EDS(electrostatic discharge) which can damage digital equipment

Compact Size - Part of the Kramer TOOLS family of compact, high quality and cost effectiv solutions

Digital video production and editing studios applicationDigital video live broadcasting application

PC Firewire port extension and long cable drive application


VS-4FW: Four 6-pin serial 1394 Ports

Transfer Rate

100/200/400 Mbps


Fully supports the provisions of the IEEE 1394-1995 Standard for High Performance Serial Bus and the P1394a Supplement; Fully interoperable with FireWire and i.LINK implementation of IEEE Std 1394; Fully compliant with OpenHCI requirements; Provides Six P1394a Fully Compliant Cable Ports at 100/200/400 Megabits per Second (Mbps); Full P1394a support includes: Connection Debounce, Arbitrated Short Reset, Multispeed Concatenation, Arbitration Acceleration, Fly-By Concatenation, Port Disable/Suspend/Resume; Extended Resume Signaling for Compatibility with Legacy DV Devices; ESD protection for high-speed data lines to IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact), IEC 61000-4-5 (Lightning) 12A (8/20us), and IEC 61000-4-4 (EFT) 40A (5/50ns)

Power Source

12 VDC, 200mA


12VDC power supply , mounting bracket, one 6 pin to 6 pin connector cable


RK-T3, RK-T1 rack adapters


4.7 in (12 cm)


0.98 in (2.5 cm)


2.95 in (7.5 cm)

Maximum load protection

0.67 lbs (0.3 kg approx.)