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V.35306RS-449X.21 Interface
Description: The TTC 42522 is one of our used V.35/RS-449/ X.21 Interface Modules for use in 6000 and 4000 Firebird Analyzer.
Other Info:
The TTC / Acterna 42522 V.35/RS-449/X.21 Combined Data Interface Module gives the FIREBERD 6000 and FIREBERD 4000 the ability to test from a V.35, RS-449, or X.21 access point with the same module.
V.35/306 Interface Specifications
The following are the specifications for the V.35 portion of this interface:
Maximum Data Rate
306 mode: 15 Mb/s
V.35 mode: dependent upon cable length
Clock and Data Tolerances
Delay, SCT to SD: 70 ns typical
Skew, SCTE to SD: 20 ns typical
Balanced Drivers
Signal Swing (bipolar): ±0.55V ±0.1V into 100Ω
Short circuit current: less than 100 mA
Rise time: less than 20 ns
Generator impedance: 100Ω
Balanced Receivers
Load resistance: 100Ω
Polarity
Data polarity: Mark (binary 1): “A” lead negative with respect to “B” lead
Space (binary 0): “A” lead positive with respect to “B” lead
Signaling polarity: ON: greater than +3VDC
OFF: open or less than -3VDC