Instruction Manual

D19100SHR
A
J
K
B
C
D
L
M
E
N
O
F
G
H
I
P
Q
R
S
B
A
C
Receive A
Transmit B
RTS
LED illuminates when RTS is in active state.
D Fail
E A Direction*
F Receive B
G CTS
H Transmit A
I Not Used (OFF)
J RX A
K TX A
L Loss - of - Data
M Power
N B Direction*
O Set as Master
P TX B
Q RX B
R Set as Slave
S Jabber Error
LED illuminates when CTS is in active state.
LED illuminates Green when complete optical path
is established in A direction.
LED illuminates when optical data is present on A input.
LED illuminates when data is present on A output.
LED illuminates upon loss of electrical input data.
LED illuminates when power is applied.
LED illuminates Green when complete optical path
is established in B direction.
LED illuminates
LED illuminates when data is present on B output
LED illuminates when optical data is present on B input.
LED illuminates
LED illuminates
A: Optical Input
B: Optical Output
B: Optical Input
T
A: Optical Output
N/A
LED illuminates when one of the receive ports stops receiving
optical energy or in a jabber error state.
T Reset Switch
Press to reset jabber alarm state.
* LED illuminates yellow when upstream data is interrupted in that fiber loop.
LED off when break in fiber of that loop.
NOTE: WITHOUT PROPER FIBER 
CONNECTION, LED's DO NOT INDICATE
CORRECT OPERATIONAL STATUS.