METRObility Optical Systems R111-1T - Manual (Page 6)

6 Installation Guide
R111-12 Only
On the RJ-45 to BNC line card, a jumper is used to set either internal or
external termination of the BNC port. See the diagram below to locate
the jumper, labeled JP1.
• Connect pins 1 and 2 to enable internal 50
Ω
termination.
• Connect pins 2 and 3 to enable use of external termination.
(default)
RJ-45
BNC
Jumper JP1
Termination
JP1
3 1
10 BASE
LK
AT
COL
PWR
TP
BNC
MDI-X Position
Slide Switch
MDI-II Position (default)