3Com NBX, Руководство по установке

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210 A
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A: S
PECIFICATIONS
NBX E1 and T1
Digital Line Cards
The E1 and T1 Digital Line Cards enable you to connect an E1 or T1 line
to an NBX system.
NBX Hub Card
The NBX Hub Card has been replaced by the NBX Uplink Card.
Supports Trunk Side TE at S/T interface
Supports Line Coding as pseudo-ternary
Supports distance between NT and TE as 1000m
Supports Voice/G3 FAX on either B1 or B2
Compliant with Telecom Italia
NET3 (CTR3) compliant without splitting bearer channels
Compliant with TBR 3 - Integrated Services Digital Network
(ISDN); Attachment requirements for terminal equipment to
connect to an ISDN using ISDN basic access, November 1995
Table 51
3C10164D-ST
BRI-ST Digital Line Card Specifications (continued)
Table 52 3C10165D E1 and 3C10116D T1 Digital Line Card Specifications
Weight 397 gm (14 oz)
Connectors One RJ-45 connector for 10BASE-T line
One RJ-45 connector for T1/E1 line
Serial port (CONSOLE) for diagnostic access
Environmental Ambient temperature: 0
°
C to 40
°
C (32
°
F to 104
°
F)
Humidity: 10% to 90% noncondensing
Humidity: 10% to 90% relative humidity noncondensing,
operational and storage
Vibration and shock: EN 60068 (IEC 68)
Altitude: 10,000 ft Operational; 30,000 ft Non-operational
Table 53
3C10115
NBX Hub Card Specifications
Weight 397 gm (14 oz)
Connectors Eight RJ-45 connectors for 10BASE-T lines
One BNC male connector for 10BASE2 coaxial line
Environmental Ambient temperature: 0 °C to 40
°
C (32 °F to 104
°
F)
Humidity: 5% to 85% noncondensing