System Timing
Page 294 7750 SR OS Basic System Configuration Guide
Configuring Timing References
Use the following CLI syntax to configure timing reference parameters. Note that the source port
specified for ref1 and ref2 is dependent on the 7750 SR-Series model type and chassis slot.
Note: For the SR-c12, the ref1 and ref2 cannot both be from the same slot.
The following displays a timing reference configuration example:
ALA-12>config>system>sync-if-timing# info
----------------------------------------------
ref-order ref2 ref1 bits
ref1
source-port 3/1/1
no shutdown
exit
ref2
source-port 6/1/2
no shutdown
exit
bits
interface-type ds1 esf
no shutdown
exit
----------------------------------------------
ALA-12>config>system>sync-if-timing#
7750 Model Ref1/Slots Ref2/Slots
SR-1 Not enabled Not enabled
SR-7 1 — 2 3 — 5
SR-12 1 — 5 6 — 10
SR-c12 No restriction No restriction
Note that the SR-c12, ref1 and ref2 cannot be from the same slot.
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