About POE Injector 1 port:

POE Injector 1 port is a single port ethernet PSE. It has an Ethernet data port. This equipment provides an poe midspan power supply solution to one channel Ethernet equipment such as a routers, switches, wireless APs, network telephones, industrial network terminals or IP cameras. It can supply power to these appliances without separate power cables, improve the system reliability and simplify the installation.

JHS PSE 101	1-port Power over Ethernet Midspan for 10/100M, 20W total power, AC 110~250V input
JHS PSE 101E	1-port Power over Ethernet Midspan for 10/100M, 40W total power, AC 110~250V input
JHS PSE 101G	1-port Power over Ethernet Midspan for 10/100/1000M, 20W total power, AC 110~250V input
JHS PSE 101EG	1-port Power over Ethernet Midspan for 10/100/1000M, 40W total power, AC 110~250V input