Siemens FastLink / WideLink¶

FastLink family product overview: siemens_fastlink [2002].pdf

Formerly FastLink, later WideLink is a family of devices forming a (primarily) PDH transport network technology by Siemens. It serves the following functionalities:

transport of (leased) digital subscriber lines (typically 2 Mbps) over copper (1-pair G.SHDSL, 2-pair HDSL) and fiber (UG2 or proprietary single-fiber bi-directional system)
add/drop multiplex of digital subscriber lines, e.g. from E1 (2 Mbps) to E3 (34 Mbps)
optionally, add/drop multiplex up to STM-1 (electrical or optical)
optionally, subscriber line termination of (leased or switched) POTS + ISDN lines (V5_Access_Multiplexers)
optionally, cross-connect functionality

FastLink would typically be deployed as a transport network by a telecom operator around the year 2000. They would deploy a number of multiplexers at various points of presence, from where they would run HDSL, HSDSL or optical lines to the respective customers that subscribed to a variety of digital services. Between the points of presence there would typically be a ring, either at the E3 or (probably more often) at the STM-1 level within the digital hierarchy.

Component Carriers¶

Type	Part	Description
AMXLS		Access Multiplexer Shelf
CMXII		Cross-connect multiplexer II
OMX16S	S42023-A841-xx	Optical Multiplexer OMX16 Shelf
OMXLS	S42023-A859-xx	Optical Multiplexer OMX16 Shelf
ONU 20	S32022-A768-A5	Small V5 AN Shelf (desktop / wall mount)
SMXLS		Synchronous Multiplexer SMX (STM-1/STM-4) Shelf + 8 LT*
SMXCS		Double Synchronous Multiplexer SMX (STM-1) Shelf
UMX2S		AMXC Shelf (AMX + Concentration)
UMXLS		Feeder Shelf

Components / Modules¶

Type	Description	Usable in component carrier
LTCOH	HDSL (RTR/TM-03036, Tab 4, 1,168 Mbit/s, 2 pairs)	OMX2S2, OMX16S
LT12CM	HDSL (ETR 152 1,168 MBit/s, 2 pairs)	OMX2S2, OMX16S
LT22CM	HDSL (ETR 152,1,168 MBit/s, 2 pairs), dual	OMX2S2
RPSII	Remote Power Supply II	OMXS2, UMXLS
LTO-LT, LTO-NT	2x E1 over Optical (8,704 Mbit/s, SM, single fiber)	OMXS2, OMX16S
LUC	G.703 long-haul
LUCP	G.703 long-haul with phantom power
LUCT	UK2 according to FTZ 1 TR 221 with phantom power
LUOT-A	Optical (2,048 Bit/s, two fibers)
OTSU	Optical Terminal Supervision Unit
OTSU2M	Supervision and administration of local cards (except in UMXLS as slave of SUE) and remote equipment connected to them	OMXS2, OMX2S2, UMXLS, OMX16S, SMXLS
SUE	Supervision and administration of local cards in UMXLS	UMXLS
CUA	V5 multiplexer / Controller card for ONU 20	ONU 20
OTRU36	Optical interface 36 Mbit/s (34Mbps F2an plus overhead)	OMX16S
DXMX34	Multiplexer from 16x 2 Mbit/s to 34 Mbit/s
CUAII	AMXS central processor	AMXS
SUB162	Analog subscriber line card (16 port)	AMXS
LLA102/104	Analog leased line	AMXS
I8S0P	ISDN line card (S0, 8 port)	AMXS
IUL82	ISDN line card (Uk0 2B1Q, 8 port)	AMXS
IUL84	ISDN line card (Uk0 4B3T, 8 port)	AMXS
I4UK2V5	ISDN line card (Uk0 2B1Q, 4 port)	ONU
ADM1e	Add Drop Multiplexer STM-1 electic	SMXLS, SMXCS
ADM1o	Add Drop Multiplexer STM-1 optical	SMXLS, SMXCS
ADM4	Add Drop Multiplexer STM-4	SMXLS
TC21E1	21 E1 expansion for ADM*	SMXLS, SMXCS
TC1E3	E3 expansion for ADM*	SMXLS, SMXCS
TC1STM1e	STM-1 expansion for ADM*	SMXLS, SMXCS

CPE (Customer Premises Equipment)¶

Type	Description
NT12C	1x 2Mbit/1MBit (G.703)
NT12CP	1x 2Mbit/1MBit G.703/G.704 or S2M (ISDN-PRA) over HDSL
NT12CV	2x nx64k up to 2Mbit (V.35, V.36, X.21) over HDSL
NT22 O	2x 2Mbit (G.703) optical
NT22 OP	2x 2Mbit S2M (ISDN-PRA) optical
NT22 OV	2x nx64k up to 2Mbit (V.35, V.36, X.21) optical
NTU	128k or 64k (V.35, V.36, X.21)
STU	G.703 over SHDSL with modular customer interfaces

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