Connection Information ERX Edge Routers

B-7

Connection Information

Table B-3shows 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-3Connection information for module assemblies

Assembly

Line

 

 

 

 

 

 

 

Name and

Module

I/O Module

No. of

 

 

 

 

 

Capability

Label

Label

Ports

Connector Type

Cabling Specifications

CE1

CE1

CE1

20

RJ-48C,120 ohm

Use shielded cables to

 

 

FULL

 

BNC, 75 ohm

 

maintain EMC compliance.

 

 

I/O

 

 

 

 

 

 

 

 

via a balun panel

The transmitted signal

 

 

 

 

 

 

 

 

 

 

that connects to

 

complies with ITUT G.703:

 

 

 

 

 

the I/O module

 

Physical/electrical

 

 

 

 

 

 

 

characteristics of hierarchical

 

 

 

 

 

 

 

digital interfaces (November

 

 

 

 

 

 

 

2001) for cable lengths up to

 

 

 

 

 

 

 

450 m (492 yards).

cOC3/STM1

cOCx/STMx

cOC3

4

SC full duplex

Tx power:

multimode

F0

STM1

 

 

 

 

min: –19 dBm

 

 

F0 I/O

 

 

 

 

max: –14 dBm

 

 

MULTI

 

 

 

 

 

 

 

 

 

• Center wavelength: 1310 nm

 

 

MODE

 

 

 

 

 

 

 

 

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

cOCx/STMx

cOC3

4

SC full duplex

Tx power:

single mode

F0

STM1

 

 

 

 

min: –15 dBm

intermediate

 

F0 I/O

 

 

 

 

max: –8 dBm

reach

 

SINGLE

 

 

 

 

 

 

 

 

• Center wavelength: 1310 nm

 

 

 

 

 

 

 

MODE

 

 

 

 

 

 

 

 

Rx input power:

 

 

 

 

 

 

 

 

 

 

 

 

 

min: –31 dBm

 

 

 

 

 

 

 

max: –8 dBm

 

 

 

 

 

 

• Rated for 15 km (9.3 miles) of

 

 

 

 

 

 

 

9-micron core cable

 

 

 

 

 

 

 

 

 

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Juniper Networks ERX-1440, ERX-1410, ERX-700, ERX-705 manual Connection Information, Full