Pxm-Ui-S3 (Optional); Making External Clock Connections; Stratum 4 Clocking; Stratum 3 Clocking - Cisco MGX 8230 Installation And Configuration Manual

Processor Switching Module
•

PXM-UI-S3 (optional)

The PXM-UI-S3 back card shown in
•
•
•
Note The LAN2 and CLK2 ports on the PXM-UI-S3 are not supported in this release. All external
connections are made with the LAN1 and CLK1 ports.

Making External Clock Connections

If external equipment or a local digital central office is to provide synchronization, the external clock
source is connected to the PXM1-UI or PXM-UI-S3 back card.

Stratum 4 clocking

External clocking sources are connected to the PXM1-UI back card
•
•

Stratum 3 clocking

External clocking sources are connected to the PXM-UI-S3 back card
•
Note The LAN2 and CLK2 ports on the PXM-UI-S3 are NOT supported in this release. All external
connections are made with the LAN1 and CLK1 ports.
See
clocking source.
Cisco MGX 8230 Edge Concentrator Installation and Configuration
2-4
Maintenance, Control and LAN ports.
One RJ-45/48 connector for external T1 or E1 clock input (CLK1).
One DB-15 female connector for alarm interface (Alarm)
Maintenance, Control and LAN ports.
One RJ-45/48 connector for external T1 or E1 clock input.
One BNC connector for E1 clock input.
For T1 and E1 Stratum 3 external clock input, connect the source to the RJ-45/48 connector labeled
"CLK1."
Chapter 5, "Configuring the MGX 8230 Shelf"
Figure 2-3 provides Stratum 3 clocking:
for further information on configuring an external
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter 2 Module and Service Descriptions
(Figure 2-2).
(Figure 2-3).