[j-nsp] Synchronization errors on TDM over MPLS

[Enoch Nyatoti]

We are using satop to provide TDM transport across a label-switched network. At the remote ends we connect SDH nodes. However, the SDH enginers have observed that the the SDH nodes log "buffer slip" errors and they state that this is caused by clock synchronization issues on the mpls network. I have been reading about using 1588v2 or Synch E but Im relatively new to this and have would appreciate any help to get me started on the right path. Anyone with experience on this issue?
Here is the interface and l2circuit configuration on one router: ce1-0/0/1 {
    e1-options {
        framing unframed;
    }
    no-partition interface-type e1;
}
e1-0/0/1 {
    encapsulation satop;
    e1-options {
        fcs 32;
    }
    unit 0 {
        description "xxxxx E1#1'
} l2circuit {
    neighbor 10.31.9.161 {        interface e1-0/0/1.0 {
            virtual-circuit-id 1310315001;
        }
    }} And the corresponding configuration of the remote router: ce1-0/0/1 {
    e1-options {
        framing unframed;
    }
    no-partition interface-type e1;
}
e1-0/0/1 {
    encapsulation satop;
    e1-options {
        fcs 32;
    }
    unit 0 {
        description "xxxx E1#1";
    }
} 
l2circuit {
    neighbor 10.31.9.165 {
        interface e1-0/0/4.0 {
            virtual-circuit-id 1310315001;
        }
    }}  Do I need a special clock to use 1588v2? How do I get this clock to the SDH nodes?