ADTRAN 203019L1 - Manual (Page 28)

12 NT1 ACE User Manual 61203019L1-1
NT1 ACE User Manual
READY indicator does not illuminate.
• Problem with ISDN network: Contact telephone
company.
• ISDN line not plugged into NETWORK jack: Plug
ISDN line into NETWORK jack.
Unable to make or receive a call.
• TE is not compatible with ISDN network: Contact
telephone company.
Specifications
Network Interface (U)
Line.............................2-Wire (Tip and Ring)
Operating Mode ..........Full-Duplex
Data Rate ....................160 kbps total, 144 kbps to customer
Signal Format...............2B1Q
Output Amplitude .........2.5 volts, zero-to-peak
Tx Source Impedance ....As per ANSI T1.601
Rx Source Impedance....As per ANSI T1.601
Receiver Sensitivity........As per ANSI T1.601
Customer Interface (S/T)
Line.............................4-Wire (Tx and Rx Pair)
Operating Mode ..........Full-Duplex
Data Rate ....................192 kbps total, 144 kbps to customer
Signal Format...............Alternate Mark Inversion, 100% duty cycle
Output Amplitude .........0.75 volt, zero-to-peak
Tx Source Impedance ....As per ANSI T1.605
Rx Source Impedance....As per ANSI T1.605
Receiver Sensitivity........As per ANSI T1.605