Emux: E1 Service Delivery Multiplexer

Metrodata Limited

The Emux provides a simple effective solution for E1 service delivery over a fibre infrastructure.
Emux front Emux rear

Emux Solution for E1 Service Delivery

Emux offers 4,8 or 16-port E1 multiplexing over fibre
  • Cost effective 4, 8 or 16-port E1 fanout over fibre
  • External alarm relay port
  • Local management port for configuration and diagnostics
  • Remote configuration and testing of units across the network
  • Comprehensive performance monitoring of both device and line
  • Built to European standards
  • Remote management using SNMP and Telnet
  • Optional -48 volt DC supply

Emux delivering multiple E1 circuits over fibre

Emux delivering multiple E1 services over fibre

This application shows an Emux transporting up to 16 E1 circuits across a redundant fibre link, although this application will also work perfectly well with a single fibre. Product variants with 4, 8 or 16 E1 ports are available. The resilient fibre port has dual SFP connectors and so different SFPs can be used to support a variety of fibre types and distances.

Emux and MetroRack delivering multiple E1 circuits over a fibre distribution system

Emux delivering multiple E1 services over fibre

This application shows how an Emux and a MetroRack can be used together with up to 16 standalone FC1x00 E1 fibre extender units to form a fibre distribution system, whereby a single fibre connection to a local POP can be subsequently fanned out over local fibre to deliver a number of E1 services to individual customer sites.


The Emux offers conversion between multiple E1 ports (120 ohm RJ45 connectors) and a resilient fibre port supported via a pair of SFP connectors, with 4, 8 or 16-port E1 versions available.

The resilient 1+1 fibre interface offers automatic switchover when a fibre fault occurs.

SFP fibre modules enable many types of fibre interfaces to be supported including multimode, singlemode, CWDM and DWDM.

The Emux has several LEDs for displaying current status, plus comprehensive configuration and diagnostics via a menu driven user interface.

Using a dedicated management channel pairs of Emux units can communicate with each other, allowing configuration and status checking of the remote unit.

Remote management can be performed via either SNMP, Telnet or a Web interface.

Whilst the Emux product range uses industry standard user exchangeable SFPs, it is recommended that these are purchased from Metrodata to guarantee their specification and compatibilty with each other.


Fibre Interface
Port Resilient SFP fibre port
Interface Dependant on SFPs fitted
Multimode SFP 2km 1300nm
 Fibre optic loss budget 8.5dB
Singlemode SFP 10km 1300nm
 Fibre optic loss budget 13dB
Singlemode SFP 40km 1300nm
 Fibre optic loss budget 20dB
Singlemode SFP 80km 1550nm
 Fibre optic loss budget 29dB

E1 Interface
Number of Ports 4, 8 or 16
Port G.703 120 ohm balanced
Interface RJ45 (120 ohm)
Framing Unframed
Bit Rate 34.368Mbps +/- 20ppm
Barrier Fully compliant as per EN41003
Cable Lengths BNC: RG59 = 150m, UR202 = 180m

Configuration & Management
Type Menu Driven
Access System console, Telnet, SNMP
Interface V.24, Ethernet 10 BaseT via RJ45
Security Access by 2-level password
System Non volatile configuration
Clock Modes Internal, Loop

Status LEDs & Diagnostic Functions
Loopbacks Local loop, Remote loop
BERT 2^15-1 PRBS
Statistics Per G.821, 15 min, 24 hour totals
Line Major Alarm LED LOS, LOF, SQ (Uplink port)
Line Minor Alarm LED AIS, RAI (Uplink port)
E1 LED
 E1 Fault
Test LED
 Test in progress LED, test configured via diagnostics menu

Power Supply
AC Mains 100 - 250VAC, 50 - 400Hz, 50mA IEC Connector
-48VDC -36 to -72VDC, 200 - 100mA, Buccaneer connector

Packaging
Type 1U 19 inch Rackmount
Dimensions 435 x 213 x 43 mm (W x D x H)

Environment
Temp 0 - 50 deg C
Humidity 95% RH, non-condensing
Pressure 86 - 106 KPA

Compliance & Approvals
Performance G.703, G.823, CTR12
Safety EN41003, EN60950
EMC EN55022, EN50082
Statistics G.821, AT&T54016: 15 min, 24 hour totals
Management RFC1213 (MIB2), RFC1495 (Telnet), RFC1157 (SNMP), RFC1406 (DS1/E1)

RFC1407 (DS3/E3), RFC1215 (Traps)


Order Code
Product AC Mains: 100 - 250 VAC DC Power: -48 VDC
Emux-4 resilient fibre uplink, 4-port E1 RJ45
 80-12-400
80-24-400
Emux-8 resilient fibre uplink, 8-port E1 RJ45
 80-12-401
80-24-401
Emux-16 resilient fibre uplink, 16-port E1 RJ45
 80-12-402
80-24-402

SFP Order Code Description
155Mbps Multimode 2km 1300nm
 80-30-021
 Multimode interface
fibre optic loss budget 8.5dB
155Mbps Singlemode 10km 1300nm
 80-30-031
 Singlemode interface
fibre optic loss budget 13dB
155Mbps Singlemode 40km 1300nm
 80-30-033
 Singlemode interface
fibre optic loss budget 20dB
155Mbps Singlemode 80km 1550nm
 80-30-042
 Singlemode interface
fibre optic loss budget 29dB

Whilst the Emux product range uses industry standard user exchangeable SFPs, it is recommended that these are purchased from Metrodata to guarantee their specification and compatibilty with each other.

If you require another SFP please contact our sales team with your requirements.