Strata CTX670 Installation
3-46
Strata CTX I&M September 2002
Figure 3-33 ROMS1A Subassembly
Table 3-8 fibre Optic Specification
Item Specification
Transmission Speed 155.52 Mbps
Optical Source LED, 1300 nm
Fibre Type Multi-mode, Graded Index Fibre (GIF)
Core Diameter 62.5 micrometers
Cladding Diameter 125 micrometers
Connector Type SC (2-pin transmit and receive)
Maximum Fibre Length 3 km (500~1000 MHz/km fibre)
2 km (200~400 MHz/km fibre)
Optical Budget (Loss) 9 dB (one way)
Minimum Bend Radius 30 mm
Round Trip Delay Time 30 micro seconds.
Transmit Power >= -23.5 dBm
Receiver Sensitivity <= -30 dBm
TX Side RX Side
4379
ROMS1A
SD
RDER
SYCF
SYCS
RST
CD1
CD2
CD3
CD4
CD5
J3
J1
1
15
1
10
J2
J4
111
11
1
-24v
DG
PFT-CONTROL
Optical
Module
Plastic
Cap
Remove
Rubber Cap
to plug in
Fibre Optic
Cable
Fibre Optic
Cable
CAUTION!
Inserting the fibre connector at
an angle or too forcefully can
cause damage.
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