B-1
3350-A2-GB20-10
June 1996
Technical Specifications
Overview
B-1
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Overview
The Model 3350 NTU technical specifications are
listed in Table B-1.
Table B-1
(1 of 2)
Model 3350 NTU Technical Specifications
Specifications
Criteria
POWER REQUIREMENTS
Typical:
AC Power Module
Optional:
+24 Vdc
– 48 Vdc
– 48 Vdc Redundant
Refer to the labeling on the ac power module for input requirements
+20 Vdc to +32 Vdc, 0.16A
–38 Vdc to –60 Vdc, 0.08A
–38 Vdc to –60 Vdc, 0.08A
POWER CONSUMPTION AND
DISSIPATION
6.9 watts, 23.6 Btu per hour at 115 volts (ac power); 4.0 watts, 13.6 Btu per hour
at +24 and – 48 Vdc (dc power)
G.703 DTE INTERFACE
Physical Interface
Framing Format
Coding Format
BNC pair for 75 ohm coaxial cables (unbalanced) or
DB15 socket for 120 ohm twisted pair (balanced)
CRC-4, non-CRC-4
AMI, HDB3
HDSL Network INTERFACE
Physical Interface
Framing Format
Coding Format
RJ48C for HDSL
CRC-4, non-CRC-4
HDB3
B