IP113F
Preliminary Data Sheet
1.
PIN Description (continued)
Pin no.
Label
Type
Description
LED pins used as initial setting mode during reset
33
TWO_FIBER
IPL
Two fiber ports
1: IP113F supports two-fiber ports mode. Both port 1 and
port 2 are fiber ports. RXIP and RXIM are used as
FXRDP and FXRDM for the second fiber port. TXOP
and TXOM are used as FXTDP and FXTDM for the
second fiber port.
A special requirement for the fiber MAU of port1 in this
application is that the output of FXRDP and FXRDM
should have no incoming signals when fiber is
unplugged.
For some fiber MAUs, there are amplified noisy signals
on FXRDP and FXRDM when fiber is unplugged.
These amplified noisy signals, which include coupled
idle patterns from FXTDP and FXTDM will cause the
LEDs of port1 malfunction
Generally, a 3.3-V small form factor type fiber MAUs
(e.g. Agilent HFBR-5903) can meet this special
requirement, but 5-V duplex-SC and -ST type fiber
MAUs cannot. Port2 is not limited by this special
requirement.
0: IP113F supports one fiber port and one TP port. Port 1
is a TP port and port 2 is a fiber port.
Confidential.
8/46
Aug. 20, 2003
Copyright © 2003, IC Plus Corp.
IP113F-DS-R02
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