China RJ45 1-Port UTP Isdn Adaptor (ISDN Adapter) RJ45 Male to Female Ethernet LAN Network Extension Cable - China Isdn Adaptor, UTP Isdn Adaptor
China RJ45 1-Port UTP Isdn Adaptor (ISDN Adapter) RJ45 Male to Female Ethernet LAN Network Extension Cable - China Isdn Adaptor, UTP Isdn Adaptor
Amazon.com: Network Module, CAT5 TF1015A 0-100MHz Frequency Ethernet Module Coupler ABS Shell for Network Communication for ATM155/622Mbps for ISDN for Terminal Connection(#2) : Electronics
Switchboxes for ISDN, DSL... | RJ45 data switches & panels | Data Switches + Splitter + KVM switches | partsdata.eu
ISDN router | Article about ISDN router by The Free Dictionary
Fast ethernet hwic module HWIC 2CE1T1 PRI, CIS CO 2 Port Channelized T1/E1 and ISDN PRI High Speed WAN Interface Card|Fiber Optic Equipments| - AliExpress
Delock RJ45 Port Doubler 1 RJ45 male 2 RJ45 female (1x Ethernet, 1x ISDN)