TTC/Acterna 42522 V.35/RS-449/X.21 DCE-DTE Interface Module for use in 6000/A Analyzer V.35/306 Interface Specifications The following are the specifications for the V.35 portion of this interface: V.35 mode: dependent upon cable length Delay, SCT to SD: 70 ns typical Skew, SCTE to SD: 20 ns typical Signal Swing (bipolar): ±0.55V ±0.1V into 10 Short circuit current: less than 100 mA 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 RS-449 Interface Specifications The following are the specifications for the RS-449 portion of this interface: RS-449 Balanced: 15 Mb/s synchronous timing (RS-422 T - terminated) 20 kb/s asynchronous timing (RS-422 U - unterminated) 520 kb/s recovered timing RS-449 Unbalanced: 128 kb/s synchronous timing (RS-423) 20 kb/s asynchronous timing Data polarity: MARK (binary "1"): "A" lead negative with respect to signal ground SPACE (binary "0"): "A" lead positive with respect to signal ground Signal polarity: OFF: "A" lead negative with respect to "B" lead ON: "A" lead positive with respect to "B" lead Short circuit current: 150 mA maximum Output Level (both states): 0.9V 0 (Open circuit voltage, into 450W) Output rise time (clock drivers): 1.2 ms maximum Output rise time (signaling drivers): 10 ms typical Short circuit current: 150 mA maximum Differential output signal swing: 2 volts minimum (with a 10 Output rise and fall time: 20 ns maximum Open circuit voltage: 6 volts maximum Average DC offset: 0V ±0.4 volts (specified with fail safe networks) (RCV DATA, RCV CLK, EXT TX CLK) Single ended A to ground with B grounded Input threshold: +/-0.2 volts (A versus B) The following are the specifications for the X.21 portion of this interface: X.21: dependent upon cable length Data Polarity: MARK (binary "1"): "A" lead negative with respect to signal ground SPACE (binary "0"): "A" lead positive with respect to signal ground Signal Polarity: OFF: "A" lead negative with respect to "B" lead ON: "A" lead positive with respect to "B" lead Short circuit current: 150 mA maximum Differential output signal swing: 2 volts minimum (with a 10 Output rise and fall time: 20 ns maximum Open circuit voltage: 6 volts maximum Average DC offset: 0V ±0.4 volts (specified with fail safe networks): (RCV DATA, RCV CLK, EXT TX CLK) Single ended A to ground with B grounded Input threshold: ±0.2 volts (A versus B) All Items sell with 5 days right of return, and 15 days GUARANTEE on all parts and labor. If in order to comply with our guarantee, we need to refund your money, you will get a FULL refund for the price of the unit... If you need to make use of the 15 days Guarantee - We will fix, or replace, your unit. In case every attempt to fix or replace it fails, we’ll refund your money. Be sure to add me to your favorites list! (Ttc/acterna 42522 v.35/rs-449/x.21DCE-dte interfacecard is the responsibility of Minerva Atkins) |
minervaatkins@cedar--rapids.com (Minerva Atkins)
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