OB9971D(4ExF) Series is a four port 10/100Base-TX Ethernet media converter that extend network signal up to 60km. It is perfect for data communication where radio interference is a problem.

OB9971D(4ExF) Series is available in single model and multi-mode fiber, internal power and external power, and support single fiber bi-directional and dual fiber transmission.

Features
IEEE802.3/802.3u/802.3x,store and forward
4 port 10/100Base-TX to 1 port 100Base-FX
10/100BaseT(X) auto-negotiation and auto-MDI/MDI-X
LED indicators for link/activity, full/half, 10/100M
Builtin128KB RAM for data buffer
Standalone/rack mount installation
Max 16 rack cards in one 19" 2U chassis
Plug-and-play operation

Ordering Information
OB9971D(4E2F)-2KM-SC-M Pcs 4x10/100BaseT(X), 1310nm, SC 2KM
OB9971D(4E2F)-20KM-SC-S Pcs 4x10/100BaseT(X), 1310nm, SC 20KM
OB9971D(4E2F)-40KM-SC-S Pcs 4x10/100BaseT(X), 1310nm, SC 40KM
OB9971D(4E2F)-60KM-SC-S Pcs 4x10/100BaseT(X), 1310nm, SC 60KM
OB9971DT/R (4E1F)-20KM-SC-S Pair 4x10/100BaseT(X), 1310/1550nm WDM, SC 20KM
OB9971DT/R (4E1F)-40KM-SC-S Pair 4x10/100BaseT(X), 1310/1550nm WDM, SC 40KM
OB9971DT/R (4E1F)-60KM-SC-S Pair 4x10/100BaseT(X), 1310/1550nm WDM, SC 60KM