Paradyne 8820, Руководство по установке

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B. Technical Specifications
B-2
November 2004 8820-A2-GN20-80
Interfaces
„
Two rear-mounted interfaces: Eighteen 50-pin Telco-type connectors
for DSL loop interfaces, and PWR A and PWR B, DC power access
„
One rear-mounted ground lug for connecting CO ground
„
DC Power (two pairs of screw terminals for A and B inputs)
„
Two 8-pin modular jacks for external clocking
„
One management 10/100BaseT and one management Serial
interface for the MCP card
„
Local CO alarm system, major and minor alarms (two pairs of dry
contact closures via an 8-pin modular jack; supports up to 57 VDC,
0.1 amp)
With 8820-S1-902 Standard SIM:
„
AC Alarm. High Impedance = Normal, Low Impedance = Alarm
„
Eighteen 8-pin modular jacks for 10/100BaseT LAN connection
With 8820-S1-905 Test Access SIM:
„
One management 10/100BaseT and one management Serial
interface for the SCP card
„
8-pin modular Alarm In jack
„
8-pin modular Hub-1 and Hub-2 LAN jacks
„
8-pin modular TAP In and TAP Out jacks
Operating
Environment
8820-A2-500
8820-A2-515
8820-A2-520
8820-A2-530
Ambient Temperature: 32
°
to 122
°
F (0
°
to 50
°
C)
Relative Humidity: 5% to 95% noncondensing
Storage Temperature: –40
°
F to 158
°
F (–40
°
C to 70
°
C)
Shock and vibration sufficient to withstand normal shipping
Ambient Temperature: –40
°
to 149
°
F (–40
°
to 65
°
C)
Relative Humidity: 5% to 95% noncondensing
Storage Temperature: –40
°
F to 185
°
F (–40
°
C to 85
°
C)
Shock and vibration sufficient to withstand normal shipping
Power
Dissipation Power dissipation depends upon the type and number of cards installed
in the chassis. The 8820 BAC is capable of supporting up to eighteen
48-port line cards and up to two SCPs, for a maximum rated chassis
dissipation of 1162 watts.
When installed under NEBS rules, the maximum power dissipation for a
single frame is limited to 181.2 watts per square foot. The square
footage allocated to a rack equipped with the 8820 BAC is
approximately 7 square feet. This equates to a maximum permissible
NEBs power dissipation of 1268.4 watts per frame.
Be careful not to exceed the 1268.4-watt NEBS limit when installing port
cards for the first time, when adding cards to an existing chassis, or
when replacing existing port cards with cards of a different type or
wattage.
Table B-1. 8820 BAC, Model 8820-A2-500, Technical Specifications (2 of 3)
Specifications Criteria*
* Technical Specifications subject to change without notification
.