Manually Configuring Bits Clock Sources; Figure 2-4 Bits Clock Source Ports On Pxm1E Ui-S3/B Back Card - Cisco MGX 8850 (PXM1E/PXM45) Configuration Manual

Configuring Clock Sources
Figure 2-4
port 35
port 36
When using an external clock source and redundant PXM cards, use a Y-cable to connect that clock
Note
source to the same clock port on both PXM cards. Otherwise, the clock source is available to only one
of the PXM cards.

Manually Configuring BITS Clock Sources

The following procedure describes how to configure the switch to use clock sources on the BITS ports.
Note For instructions on configuring the switch to use a clock source on a PXM1E line, refer to the
"Configuring PXM1E Line Clock
Links."
Cisco ATM Services (AXSM) Configuration Guide and Command Reference for MGX Switches, Release
5.
Establish a configuration session using a user name with GROUP1 privileges or higher.
Step 1
Step 2 To configure a primary or secondary BITS clock source, enter the cnfclksrc command:
mgx8850a.7.PXM.a > cnfclksrc <priority> [shelf.]slot.port -bits {e1|t1} [-revertive
{enable|disable}]
Table 2-6
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
2-32
BITS Clock Source Ports on PXM1E UI-S3/B Back Card
PXM
UI-S3/B
C
P
P2 P1
S
P
L
A
N
1
L
A
N
2
E
X
T
C
L
K
1
E
X
T
C
L
K
2
A
L
A
R
M
Sources" section in
For instructions on configuring the switch to use a clock source on an AXSM line, refer to the
describes the parameters for this command.
Chapter 2 Configuring General Switch Features
Chapter 3, "Provisioning PXM1E Communication
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004