4
–
Configuration & Operation
NetXpress LX & CM-30R Installation & Operation Manual
Version 1.1
GatesAir, Inc.
4-11
Intraplex Products
Figure 4-14. System Cfg | System Timing
2.
Select the
Primary Timing Source
for the NetXpress LX shelf:
Internal
,
External
,
Stream
, or
Synchrocast
.
Notes:
You cannot change stream timing if streams are currently active.
If you select
Stream
timing, select an available
Primary
RX
Timing
Stream
. You must
have a configured receive stream or bi-directional stream available (Section 4.3.5
–
Configure Streams
).
3.
If you select
External
timing, connect a timing cable from the external clock source to the
Timing
In
on the MA-230 module adapter.
4.
Click
Submit
.
Note:
It may take 1-2 minutes for the multiplexer to register the new system timing and the Normal
green light to turn on. The multiplexer may report an Alarm (Major alarm red light) or Alert
(Minor alarm yellow light) before it has successfully synched with the new system timing.
5.
After configuring the peer to this CM-30R module in another chassis, verify the current operational
status (up, down) of the primary timing source.
4.2.3.7 SNMP Community
You only need to perform this procedure if you use SNMP. Section 4.3.4.4
–
SNMP Communities
gives
more information. If you
only
use the CM-30R web browser, you do not need this procedure.
1.
Point to
Networking
and click
SNMP
(Figure 4-15).