Measurement helpers to simplify cable fault measurement!
The KE901 Measurement Helper Set, consisting of the electronic line switch KE905 and the KE910 controller, is a real time and cost saving device when it comes to cable fault measurements or the simplification of tests in the line qualification of telecommunications pairs.
The KE901 enables mode selectabel switching, insertion of bridges, turn on a measurement device on the far end of line, connect through another exchange, switching on a second acccess line. Developped for the current communication services as ISDN, ADSL2+ and VDSL2 the device has small impact on measurements through 30 MHz on the far end. Remote-Controlled switching functions up to 20 km distance are possible without influence on other services on the line.
After connecting the Remote Unit KE905 at the multiplier or intermediate distribution frame a tone can be send either to one or two access lines. For acces line 1 there are two different tones selectable. If no tone is necessary because the end of line is known, the service can be switched through to the customer. This enables him to use his service as long as possible.
After connecting the controllers on the customer's pair the control key switches the tone tracing off. The remote-commands are send with 8 keys from the Control Unit KE910. The signals are modified DTMF-Signals to avoid static. Succeded the switching function the KE910 sends a tone and shows a short light up from the Info-LED. If the remote-command wasn't executed there will be a pulsed tone.
For active tests like crosstalk, balance, spectrum-analysise etc. the line can be cleared or switched to another measurement device on the far end. In spite of the measurement device there can also b aenother Telephony / xDSL Port attached. This second local line can be switched to one or another acces line so it is possible to measure the interference (NEXT).
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| KE905 Remote Unit | |
|---|---|
| Housing | Heavy duty ABS plastic weather-resistant design Battery cover equipped with captive screws 4 test cord receptacles for alligator-to-TF cords Resistant Mylar front foil with short operation instructions |
| Test cords | 2 special test cords for testing up to 31 MHz Insertion loss: 0 to 30 MHz < 0,5 dB Crosstalk: -78 to -56 dB |
| Power source | 9 V Alkaline battery, typical life 200 h |
| Overvoltage protection | Up to 160 V AC/DC |
| Dimensions | 160 x 95 x 35 mm |
| Weight | 290 g with battery |
| KE910 Controller | |
|---|---|
| Housing | Heavy duty ABS plastic weather-resistant design with silicone rubber control keys Battery cover equipped with captive screws |
| Test cords | Insulated test leads with banana plugs Modified DTMF control signals Sample function min. 56 dB amplification |
| Power source | 9 V Alkaline battery, typical life 40 h |
| Overvoltage protection | Up to 160 V AC/DC |
| Dimensions | 150 x 65 x 26 mm |
| Weight | 95 g with battery |
| KE901 Line Test Assistant Data Sheet |
 809.35 KB
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| KE901 Line Test Assistant Quick Reference |
114.52 KB
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| KE901 Line Test Assistant Manual |
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| Kurth Electronic catalogue |
13.63 MB
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