I have assigned 192.5.175.128/30 for the POS link.
Chicago 192.5.175.129
SLAC            192.5.175.130

Sample Junos definition for OC192 link to Amsterdam (other end is Cisco)

so-1/0/0 {
     description "L3 OC192 to Amsterdam";
     mtu 9192;
     clocking external;
     unit 0 {
         family inet {
             address 145.145.166.58/30;
         }
     }
}