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To serve complex signalling and telecommunications for train control, Nexans has developed WANs (trunk line), MANs and LANs based on optical fiber, and is also an expert in GSM-R technology. To meet the security concerns of tunnels and urban metro systems, Nexans produces both metal-armored and all-dielectric optical fiber cables, offering electromagnetic immunity.
Lisbon’s inter-modal Gare do Oriente uses a Nexans LAN to manage 8 railway lines, a subway and surface mass transit. An all-dielectric cable containing 216 fibers was qualified for the London underground. Compact and cost-efficient optical fiber micro-cables are increasingly being installed in dense subway networks.
Optical Underground cables (OUC)
| Product families |
Product family names |
Standards / Specs |
| Trackside cables |
Communication
CT 2242
K209
BR 1837
RT/E/PS/00014
Metal free optical cables
with rodent protection
DGGT/1200
Metal free optical cables
with double sheath and
intermediate buffer layer
GRSLLDV 290394
Metal free optical cables
with double sheath and
intermediate buffer laye
GRSLLDV 290394 |
• LSZH
• HFFR
• SBB specification
• Stokab spec.
• Banverket spec.
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| Duct cables |
Metal free optical cables
with glass armou
DT-AcwT600
Metal free optical cables
with glass armour
GASGLDV
Metal free optical cables
GRSLDV |
• BLS Alptransit
| Optical Aerial cables (OAC)
| Product families |
Product family names |
Standards / Specs |
| Short span cables |
Form eight short span optical
aerial cable
Neoport
Short span self supporting
optical cable
KKT/600
Short span self supporting
optical cable
KKT/1200
Short span self supporting
optical cable with related
accessories for tensioning,
suspensioning, guiding,
coiling, etc.
GRSSLDV and GRSSLLDV |
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| Long span cables |
Long span self supporting
optical cable
KKT/2500
Long span self supporting
optical cable
KKT/5000 |
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