Alcatel Carrier Internetworking Solutions 1850 TSS-5 - Manual (Page 5)

Alcatel-Lucent 1850 TSS-5 Transport Service Switch 5
Multifunctional
Even by today’s competitive stan-
dards, the 1850 TSS-5 is distinctly
versatile and multifunctional.
Fast Ethernet (FE) traffic can be
aggregated onto up to 4 GigE ports
and these ports can be electrical or
optical, depending on the available
or desired infrastructure. The 1850
TSS-5 supports carrier Ethernet
services such as point-to-point
Ethernet line (E-line) and virtual
Ethernet LAN (E-LAN) with robust,
standards-based quality of service
(QoS) and reliability.
The 1850 TSS-5 provides
high-speed optical transport for
OC-3 and OC-12 linear optical
extensions, while unidirectional
path switched ring/Subnetwork
Connection Protection (UPSR/
SNCP) switching can be used at
the synchronous transport signal
level 1 (STS-1), STS-3c and virtual
tributary (VT) 1.5 levels. Further,
only minimal provisioning is
necessary for private-line Ethernet
over synchronous optical network/
synchronous digital hierarchy
(SONET/SDH) links between two
end-points, typically just SONET/
SDH cross-connections. Standard
SONET/SDH loopbacks are also
supported, including terminal
loopback, facility loopback and
external optical loopback.
The 1850 TSS-5 has several
cross-connect capabilities, offering
network designers greater flexibility
in directing traffic flow through
systems to support a wide variety
of customer applications using
two-way cross-connections. Where
a SONET/SDH ring is created,
protection switching is done
independently for each SONET/
SDH path. UPSR/SNCP rings
operate in an integrated, single-
ended fashion, eliminating the
need for complex, network-level
coordination in the effort to
restore traffic.