Passive HSSI Tap
Passive HSSI Tap
ImageStream's HSSI monitoring tap is used in passive monitoring applications in conjunction with ImageStream's mated HSSI monitoring card. As a passive monitoring device, the HSSI tap does not interrupt the data circuit when the monitoring card is disconnected from the tap. The monitoring tap provides automatic pass-through for the HSSI interface when the tap cable is disconnected or the monitoring card and station are powered down.
The HSSI tap provides two female HSSI connectors (DTE and DCE) that are used to connect the line and pass through the full duplex data signals. The tap also provides a female HD26 interface for connecting the inverse "Y" tap cable to the monitoring card.
The HSSI tap presents a high-impedance HSSI connection to both sides of the the full-duplex HSSI data interface. The tap acts as a repeater that retransmits each input signal to the tap's corresponding output. The tap can drive the output signals across HSSI cabling over distances of up to 50 feet (15.2 meters). The maximum cable length for a HSSI connection is normally 50 feet, but the tap's repeater function makes it possible to use a 50 foot cable to connect both the DTE and DCE interfaces.
The inverse "Y" tap cable carries data signals from the tap's HD26 connector to the monitor card. The tap cable also supplies power to the tap. The tap also provides a power indicator that shows whether the tap is receiving power from the the monitoring card. The length of the inverse "Y" tap cable must be 10 feet (3 meters) or less.
Part Numbers
TAP-HSSI-DB26 - HSSI monitoring tap
400082 - HSSI inverse "Y" tap cable (DB26 to dual DB60)
800285G13-OEM - HSSI monitoring card
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