B. Technical Specifications
B-2
June
2004
8620-A2-GN20-50
Cooling and
Air Handling
The internal fans are installed in the chassis to provide cooling.
A built-in feature shuts off power to the circuit cards if a chassis
overheats because of fan failure. If the temperature in the chassis
reaches 70
°
C, power to the cards in the chassis is turned off
automatically. Power is turned on when the temperature drops below
60
°
C.
Operating
Environment
Ambient Temperature for system: 32
°
to 122
°
F (0
°
to 50
°
C)
Ambient Temperature for chassis only: 32
°
to 140
°
F (0
°
to 60
°
C)
Relative Humidity: 15% to 99% noncondensing
Shock and vibration sufficient to withstand normal shipping
External
Clocking
With an SCP card installed, the following clock rates are supported over
the Clock A and Clock B connectors:
2048 KHz (E1)
1544 KHz (T1)
64/8 KHz (standard BITS)
64/8/0.4 KHz (standard BITS plus 400 Hz)
Table B-1.
8620 BAC Technical Specifications (2 of 2)
Specifications
Criteria*
* Technical Specifications subject to change without notification
.
Summary of Contents for Hotwire 8620
Page 1: ...8620 Broadband Access Concentrator Installation Guide Document No 8620 A2 GN20 50 June 2004...
Page 12: ...About This Guide vi June 2004 8620 A2 GN20 50...
Page 18: ...1 Introduction 1 6 June 2004 8620 A2 GN20 50...
Page 44: ...3 Cabling 3 10 June 2004 8620 A2 GN20 50...
Page 48: ...4 Troubleshooting 4 4 June 2004 8620 A2 GN20 50...