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1.509.926.6000 :: telect.com
14
ELF System
Copper / Fiber
:: ELF Family
1.5.3 Inspection
Compare the contents of the ELF shipping container(s) with the packing list. Call Telect if you are missing anything.
Telect is not liable for shipping damage.
If the shipping container is damaged, keep it for the carrier’s inspection. Notify the carrier and call
Telect at 1-509-926-6000.
Keep the container until you have checked equipment operation. If you experience any kind of
problem, call Telect’s Customer Service Department. Use the original, undamaged container if
you are instructed to return the ELF equipment to Telect.
1.5.4 Technical Support (USA)
Please read and understand all instructions before starting installation. If you have questions, contact Telect
Technical Support at [email protected] or call 1.509.926.6000.
When you receive the equipment, carefully unpack it and compare it to the packaging list. Please report any
defective or missing parts to Telect Quality at [email protected] or call 1.509.926.6000.
Telect is not liable for transit damaged. If the product is damaged, please report it to the carrier and contact
Telect Quality.
1.6 Specifications
E1 Specification
T1 Specification
Return Loss
12 dB 51 kHz to 102 kHz
18 dB 102 kHz to 2048 kHZ
14 dB 2048 kHz to 3073 kHz
26 dB 772 kHz
Insertion Loss
0.5 dB at bit rate (2.048 Mbps)
0.5 dB at bit rate (1.544 Mbps)
Monitor Level
–20 dB ± 1.5 dB at bit rate (2.048
Mbps)
–20 dB ± 1.5 dB at bit rate (1.544
Mbps)
Contact Resistance
<0.01 Ohms
Characteristic Impedance
100/120 Ohms
Adjacent Channel Crosstalk
-60 dB at bit rate (2.048 Mbps)
-60 dB at bit rate (1.544 Mbps)
Interchannel Crosstalk
-60 dB at bit rate (2.048 Mbps)
-60 dB at bit rate (1.544 Mbps)
Table 1 - DS1 Electrical