61212016L1-1 NT1 T400 User Manual 7
7.0 SPECIFICATIONS
LOOP INTERFACE:
Line: 2-Wire (TIP and RING)
Operating Mode: Full-duplex
Data Rate: 160 kbps total; 144 kbps available to customer
Signal Format: 2B1Q
Output Amplitude: 2.5 V, 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:
Line: 4-Wire (Tx and Rx pair)
Operating Mode: Full-duplex
Data Rate: 192 kbps total; 144 kbps available to customer
Signal Format: Alternate Mark Inversion, 100% duty cycle
Output Amplitude: .75 V, 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
MECHANICAL:
Size: 5.625” H x 6” D x 1.375” W
Weight: 10 oz.
Mounting: Mounts in Type 400 equipment shelves
POWER: On-Card Dissipation
NT1 Type 400 Standalone: 115 VAC Internal Power Supply
60 Hz, .07 amps
Sources S/T Power to 7W
NT1 T400 Circuit Pack: -48 VDC
1.1 Watt Maximum On-Card Dissipation
Sources S/T Power to 12W
ENVIRONMENTAL:
Temperature: Operating 0 to +50 °C
Storage -20 to +70 °C
Relative Humidity: Up to 95%, noncondensing