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Connection Information
ERX Edge Routers
B-7
Connection Information
Table B-3 shows the names of the line modules and I/O modules that you
can combine to form the different module assemblies. This table also
provides cabling specifications for the I/O modules.
Table B-3 Connection information for module assemblies
Assembly
Name and
Capability
Line
Module
Label
I/O Module
Label
No. of
Ports
Connector Type Cabling Specifications
CE1 CE1 CE1
FULL
I/O
20 • RJ-48C,120 ohm
• BNC, 75 ohm
via a balun panel
that connects to
the I/O module
• Use shielded cables to
maintain EMC compliance.
• The transmitted signal
complies with ITUT G.703:
Physical/electrical
characteristics of hierarchical
digital interfaces (November
2001) for cable lengths up to
450 m (492 yards).
cOC3/STM1
multimode
cOCx/STMx
F0
cOC3
STM1
F0 I/O
MULTI
MODE
4 SC full duplex • Tx power:
› min: –19 dBm
› max: –14 dBm
• Center wavelength: 1310 nm
• Rx input power:
› min: –30 dBm
› max: –14 dBm
• Rated for 2 km (1.2 miles)
over 62.5-micron core cable
with an optical loss of 0–9 dB
or 50-micron core cable with
an optical loss of 7 dB
cOC3/STM1
single mode
intermediate
reach
cOCx/STMx
F0
cOC3
STM1
F0 I/O
SINGLE
MODE
4 SC full duplex • Tx power:
› min: –15 dBm
› max: –8 dBm
• Center wavelength: 1310 nm
• Rx input power:
› min: –31 dBm
› max: –8 dBm
• Rated for 15 km (9.3 miles) of
9-micron core cable