24
Issue 1, December 2003
61223404L2-5A
Table 10. 3192 H4TU-C Specifications
Specification
Description
Loop Interface
Modulation Type:
Mode:
Number of Pairs:
Line Rate:
Baud Rate:
Loop Loss:
Bridged Taps:
Performance:
H4TU-C Transmit Power (Data) Level:
H4TU-C Transmit Power (Activation) Level:
Input Impedance:
Maximum Loop Resistance:
Return Loss:
16 TC PAM
Full Duplex, Partially overlapped echo canceling
2
1.552 Mbps
261.333 k baud
Refer to
section of this
document.
Single Taps < 2000 ft., Total Taps < 2500 ft.
Compliant with T1.418-2000 (HDSL2 Standard, Issue 2)
14.1 ±0.5 dBm (0 to 400 kHz)
14.1 ±0.5 dBm (0 to 307 kHz)
135 ohms
1150 ohms (nonrepeatered circuit)
12 dB (50 kHz to 200 kHz)
Network Interface
DS1 Transmit Level:
DSX-1 Line Build Out:
DSX-1 Line Code:
0 dB (default), –7.5 dB, –15 dB
0-133 ft. ABAM (default)
133-266 ft. ABAM
266-399 ft. ABAM
399-533 ft. ABAM
533-655 ft. ABAM
B8ZS (default), AMI
Power
Tested with the ADTRAN H4TU-R (P/N 1223426L2) and H4R (P/N 1223445L1)
H4TU-C Total Power:
H4TU-C Power Dissipation:
Span Power:
Fusing:
–48 VDC @ 200 mA with H4TU-R
–48 VDC @ 330 mA with H4TU-R and one H4R
–48 VDC @ 560 mA with H4TU-R and two H4Rs
5.1 watts with H4TU-R
5.7 watts with H4TU-R and one H4R
7.1 watts with H4TU-R and two H4Rs
–190 VDC (Internally Generated) Class A2 Compliant,
GFI Current Limited at < 5 mA,
Loop Current Limited at 150 mA
1.00 A (not field-replaceable)
Clock
Clock Sources:
Internal Clock Accuracy:
Internal, DSX-1 Derived (with HDSL4 frame bit stuffing)
±25 ppm (Exceeds Stratum 4), Meets T1.101 Timing
Requirements
Tests
Diagnostics:
Self-Test, Local Loopback (H4TU-C), Remote Loopback
(H4TU-R), Repeater Loopback (H4R)
Physical
3192 Office Repeater Shelf-Mounted Weight:
< 1lb.