61182118L1-5B
Issue 2, July 2004
13
6. MAINTENANCE
The Total Access 2W/4W SHDSL LTU requires no
routine maintenance for normal operation.
ADTRAN does not recommend that repairs be
attempted in the field. Repair services may be obtained
by returning the defective unit to ADTRAN. Refer to
the
Warranty and Customer Service
section for further
information.
7. SPECIFICATIONS
Specifications for the Total Access 2W/4W SHDSL
LTU are detailed in
Table 8
.
Table 8. 2W/4W SHDSL LTU Specifications
Network Interface
SHDSL Line Rate
SHDSL Service Range
G.703 Service Data Rate
Line Code
Timing Source
Impedance
SHDSL per ITU G991.2:
2-wire mode = 192 kbps to 2.048 Mbps
4-wire mode = 400 kbps to 2.064 Mbps
Refer to
ITU 991.2, Annex B, Performance Requirements
64 kbps to 1.984 Mbps
TC PAM
Internal clock (internal oscillator with >32 ppm tolerance,
OR G.703 RX clock (B.703 port-derived receive clock)
120 ohms balanced
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Maximum Current Draw
Maximum Heat Dissipation
0°C to +55°C
–20°C to +65°C
95 percent maximum noncondensing
0.025 A maximum
1.21 watts @ –48VDC
Power
Span Power
120 VDC, current limited, not more than 150 mA output
Physical
Dimensions
Weight
152.4 mm H x 15.9 mm W x 254 mm D
< 1 lb.
Compliance
SHDSL
G.703 Ports
Environmental
ITU-T G.991.2
ITU-T G.703
ETS 300 019-2-3
Part Number
Total Access 2W/4W SHDSL LTU Unit
1182118L1
