Cisco Systems 1010 Manual De Usuario
8-4 LightStream 1010 ATM Switch PAM Installation Guide
Overview of the CES Port Adapter Modules
Figure 8-1
Typical CES T1 or E1 Port Adapter Module (UTP Port Shown)
Each of the ports on the PAM can be configured to support the following clocking options:
•
self-timing based on a Stratum 4 level clock
•
loop timing from the received data stream—ideal for public network connections
•
timing synchronized to a selected master clock port, required in order to distribute a
single clock across a network
single clock across a network
The plug-and-play mechanisms of the LightStream 1010 allows the switch to come up
automatically. All configuration information for port adapter modules can be saved
between hot swaps and switch reboots, while interface types are automatically discovered
by the switch. This eliminates mandatory manual configuration.
automatically. All configuration information for port adapter modules can be saved
between hot swaps and switch reboots, while interface types are automatically discovered
by the switch. This eliminates mandatory manual configuration.
The LightStream 1010 supports any combination of port adapter modules. Customers can
configure their switches with only the number and type of interfaces required, with up to
32 CES T1 or CES E1 interface ports.
configure their switches with only the number and type of interfaces required, with up to
32 CES T1 or CES E1 interface ports.
This section describes the following:
•
•
H8803
S1
S2
CD
S1
S2
CD
2
3
S1
S2
CD
S1
S2
CD
0
1
CES E1 120
Ω