user manual

8021-A2-GZ40-20 November 2000
9
SCM Card Technical Specifications
Table 3. SCM Card Technical Specifications (1 of 2)
Specifications Criteria*
Size
Length: 10.4 inches (26.42 cm)
Height: 11.15 inches (28.32 cm)
Width: 1.0 inches (2.54 cm)
Weight
Approximately 1.4 lbs. (0.64 kg)
Approvals
Safety Certifications
Refer to the equipment’s label for approvals on product.
Power
The SCM card contains a DC-to-DC converter that requires
48V power input. The 48V power is distributed through the
Hotwire chassis backplane.
Typical Power Dissipation = 26 watts (DS3 and E3)
or 28 watts (OC3) or 24 watts (IMA)
Physical Environment
Operating temperature
Storage temperature
Relative humidity
Shock and vibration
32° to 140° F (0° to 60° C)
–4° F to 158° F (–20° C to 70° C)
5% to 85% (noncondensing)
Withstands normal shipping and handling.
Physical Characteristics
Internal ATM Switching
Fabric
Modular Architecture from 622 Mbps to 5 Gbps,
8192 virtual circuits
DS3 Uplink Specifications
Number of ports
Connector Type
Standards Supported
Frame Formats
Line Type
Data Rates Supported
Facility Datalink Protocol
Cable Distance
1 DS3
BNC
ANSI T1.404-94 Electrical and Jitter, ANSI T1.102-93
Electrical and Jitter
Direct or PCLP
B3ZS
44.736 Mbps
ANSI T1.107.95 Format, ANSI T1.646-95 Format, ANSI
T1.646 HEC, ITU-T I.432 Scrambler
75 ohm coaxial 900 feet
* Criteria of technical specifications are subject to change without notice.