This is one kind of ISDN U interface network transformer which is the exact replacement for PULSE PE-68628.
This ISDN U interface network transformer works with Infineon chipset and can be used in many kinds of ISDN modem or routers.
CoreLogic can provide all kinds of network transformers for your kind choice. Including E1/T1, 10/100/1000 BASET, ISDN PRI, ADSL&VDSL&HDSL, E3/D3 standards, And we can provide our free samples for your test approval.
We looking forward to establishing a long time business relationship with you in near future.