255-700-025
2-7
PacketStar
™
Access Concentrator 60 User Guide
, Issue 1
Release 6.3.0
Chapter 2 Hardware Description
AC 60 Physical Interface Specifications
The hardware specifications for the AC 60 Stratum 3–4 component are given
in Table 2-5.
!
CAUTION:
The external synchronization interface port provided on the Stratum 3–4
module is intended only to be connected to an in-building reference
clock signal. The port is not intended to be directly connected to a
network interface as outside plant.
AC 60 Physical Interface Specifications
Table 2-6 describes the interface specifications of the AC 60 system.
Table 2-5. AC 60 Stratum 3–4 Component Specifications
Specification
Description
Operating temperature:
0° to 50° C
Operating humidity:
Up to 95%, noncondensing
Storage temperature:
-40° to +70° Celsius (-40° to 158° Fahrenheit)
Units per system:
1 factory installed component
Synchronization source:
Internal or external
Accuracy:
Stratum 3 or 4, selectable
External clock input:
Standard ANSI or ITU 64 kbps composite clock
Connector:
One RJ12 connector on the faceplate
LED indicators:
Two indicators:
• ACTIVE—green
• FAIL—red
Table 2-6. Physical Interface Specifications
ATM Standards
ATM Forum User-network Interface (UNI)
(Versions 3.0, 3.1)
ATM Forum Inter-switch Signaling Protocol
(IISP) (Version 1.0)
ATM Forum Integrated Local Management
Interface (ILMI) (Version 4.0)
ATM Forum Inverse multiplexing over ATM
(IMA) (Versions 1.0, 1.1)
ATM Forum Private Network-Network Inter-
face (PNNI) (Versions 1.0)
WAN Interfaces
DS1, E1, DS3, E3, OC-3c, STM-1, DS1 IMA,
E1 IMA, DS3 IMA
Содержание PacketStar AC 60
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