E1/G.703 plus Ethernet over fibre

TN-S6120 E1 Modem

DS1 - T1/E1/J1 + 10/100 Ethernet over Fiber
  • ION S6120 is a managed stand-alone DS1 - T1/E1/J1 media converter mux that provides a solution for those users that need to extend multiple DS1 - T1/E1/J1 connections, along with a 10/100 Ethernet connection, all over fibre.
  • Includes (4) RJ-48 ports, (1) 10/100 Ethernet port, and (1) fibre port.  Available in versions that support fixed fiber connectors as well as SFP fibre modules offering support for a variety of fibre types, distances, and wavelengths to provide maximum flexibility across a variety of network topologies.
  • CWDM SFPs can also be utilized to further increase the bandwidth capacity of the fiber infrastructure


Spec Text

ANSI T1.102
T1.403 and T1.408
ITU I.431
ETSI 300-166; 300-233
TBR 12/13
AT&T Pub 62411
IEEE 802.3

Data Rate

Copper ports (RJ-48): T1(J1) = 1.544Mb/s,
E1 = 2.048Mb/s
Ethernet port (RJ-45): 10/100Mbps
SFP port(s): 100Base-X/OC-3


Numerous switch settings for line coding, line
build out, loopback and AIS

Status LEDs

Power, Port Status, Loopback and AIS


Width: 3.7” [94 mm]
Depth: 6.5” [165 mm]
Height: 1.8” [46 mm]

Power Consumption

6 Watts (max) for dual fiber model
5.5 Watts (max) for single fiber model

Power Input

AC: 12 VDC via barrel connector using 100-240VAC,
UL listed power supply


Operating: -10°C to 65°C
Storage: -40°C to 85°C
Humidity: 5% to 95%


EN55022 Class A, EN55024, CE mark



Ordering Information

Order Code Description
TN-S6120-1013 1300nm multimode (SC) [2 km/1.2 mi.] 11.0 dB to (4) RJ-48 [1.5 km/0.9 mi.] + 10/100Base-TX (RJ-45) [100m]
TN-S6120-1014 1310nm single mode (SC) [20 km/12.4 mi.] 16.0 dB to (4) RJ-48 [1.5 km/0.9 mi.] + 10/100Base-TX (RJ-45) [100m]
TN-S6120-1040 1 SFP port to (4) RJ-48 [1.5 km/0.9 mi.] + 10/100Base-TX (RJ-45) [100m] (SFP port uses standard 100Base-x/oc-3 SFP)

Data Sheet

More Information