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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 4 Flexible Interface Cards (Router 6000)
4-55
The Router 1-Port OC3 POS FIC uses the protocols such as PPP, Frame Relay and
HDLC at the data link layer and IP at the network layer. It allows direct transmission of
packets over SONET/SDH. It supports:
z Four types of SFP: multi-mode short-haul (1310 nm), single mode medium-haul
(1310 nm), single mode long-haul (1310 nm), and single-mode ultra-long haul
(1550 nm).
z 155.52 Mbps fractional interface
4.18.2 Interface Attributes
The following table describes the interface attributes of the Router 1-Port OC3 POS
FIC.
Table 4-37 Interface attributes of the Router 1-Port OC3 POS FIC
Attribute Router 1-Port OC3 POS FIC
Connector
SFP/LC
Interface standard
SONET OC-3/SDH STM-1
Number of
interfaces
1
Interface rate
155.52 Mbps
Type
Multi-mode
short-haul
Single mode
medium-haul
Single mode
long-haul
Single mode
ultra-long haul
Min. -19.0 dBm -15.0 dBm -5.0 dBm -5.0 dBm
Optical
transmi
tter
power
Max. -14.0 dBm -8.0 dBm 0. dBm 0. dBm
Receiver
sensitivity
-30.0 dBm
-28.0 dBm -34.0 dBm
-34.0 dBm
Overload optical
power
-14.0 dBm -7.0 dBm -9.0 dBm -10.0 dBm
Central
wavelength
1310 nm 1310 nm 1310 nm 1550 nm
Fiber type
62.5/125 μm
multi-mode
9/125 μm single
mode
9/125 μm single
mode
9/125 μm single
mode
Max. transmission
segment
2 km (1.2 mi.) 15 km (9.3 mi.) 40 km (24.9 mi) 80 km (49.7 mi)