Cisco ASR 900 Series Configuration Manual page 145

Transparent SONET or SDH over Packet (TSoP) Protocol
STM-4 TSoP is compatible with the below SFPs supported on the OC-12 interface module:
• ONS-SI-622-L2—For 40km cable length, use 2 dB attenuator; short distance use 10 dB attenuator to
• ONS-SI-622-L1—For 40km cable length, no attenuator; short distance use 10 dB attenuator to avoid
• ONS-SI-622-I1—For 15km cable length, use 2 dB attenuator; short distance use 8 dB attenuator to avoid
The OC-12 Smart SFP (PN: ONS-SC-622-TSOP) is not supported in Cisco IOS XE Release 3.14S.
Note
Note Effective Cisco IOS XE Release 3.18, STM-4 TSoP is supported on ASR 900 RSP2 Module .
Configuring the Reference Clock
The reference clock for the TSoP is extracted from the network. You can extract the clock reference from
either of the following:
• Ethernet physical interface
• Incoming TDM physical interface
If TDM reference clock is configured, and you want to return to the Ethernet reference clock (default),
Note
use the ssfpd tsop clock-source ethernet command. Additionally, you can also use the no ssfpd tsop
clock-source command to return the Ethernet reference clock (default).
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. ssfpd tsop clock-source {ethernet | tdm}
5. end
DETAILED STEPS
Command or Action
Step 1
enable
avoid receiver overload.
receiver overload.
receiver overload.
Time Division Multiplexing Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco ASR 900 Series)
Purpose
Enables privileged EXEC mode.
Configuring the Reference Clock
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