16/30 POTS voice over fiber optic multiplexer with 1E1 Ethernet E&M FXS FXO

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Quick Details
Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
Model Number:
PT-50T 1308
NMS ports:
ETH NMS port
220VAC + -48VDC
ETH interface:
10/100/1000M self-adaptive, half/full
Product name:
PT-50T 1308
services interfaces:
FXO, FXS, Hotline, Magneto,2/4-wire E&M
LED Alarm:
2 years
75ohm or 120ohm

Packaging & Delivery

Selling Units:
Single item
Single package size: 
60X36X12 cm
Single gross weight:
5.0 kg
Package Type:
Lead Time :
Quantity(Piece) 1 - 50 >50
Est. Time(days) 2 To be negotiated


                PT-50T 1308 FXO/FXS voice to fiber pcm mux equipment



Brief Introduction

PT-50T 1308 FXO/FXS voice to fiber pcm mux equipment adopts 1U height standard 19 inch rack mountable case. In such small spacing, it provides  2 x uplink Ethernet  interface , 4 x downlink electrical Ethernet interfaces,1 x E1 interfaces, as well as 30 data / voice channel service access interfaces. One dedicated ETH NMS interface and one alarm interface. The maximum 64Kbps access capacity of the PT-50T-1308 has powerful 256 x 256 cross matrix for all types of channel connection.

The PT-50T-1308 supports very flexible configuration, according to the customer network requirement. It can realize point to point communications and point to multipoint communications through Ethernet uplink ports


Main Features


Ø   19” rack mountable, 1U height compact size;

Ø   Front panel E1 support s 75ohm or 120ohm;it can transfer voice and Ethernet data at the same time. 

Ø   System provides 2 x 100/1000M Ethernet interface; user can put SFP optical/electrical modules.

Ø   Voice and data can transfer over IP point to point  or point to multipoint application.

Ø   Four expansion slots for data or voice modules;(it can put FXO/FXS/HOT/MAG/RS232/G.703/4WEM….)

Ø   Support echo canceling function.

Ø   100M Ethernet port support VLAN.

Ø   Supports local / remote alarm, performance, monitoring and information management;

Ø   ETH NMS interface and RS232 NMS interface are provided;

Ø   The power supply can be AC220V or DC-48V or AC220V + DC-48V.

Ø   Support upgrade firmware by remote



Ø   E1 Interface

Bit rate: 2048Kbps ±50ppm

Code type: HDB3 code, G.703 standard

Input impedance: 75W (default), 120Ω (optional)

Frame structure: G.704, G.706

Compression law: G.711

Level: ±2.37V ±10%

Ø   Optical interface

Bit rate: 150Mbps ± 50ppm

Output optical power: ≥-15dBm

Receiving sensitivity: ≤-35dBm

Optical wavelength: 1310nm/1550nm

Optical interface connecter: SFP/LC

Ø   ETH interface (10/100M)

Interface rate: 10/100Mbps, auto

Standard: IEEE 802.3, IEEE 802.1Q (VLAN)

Connector: RJ45

Ø   Mechanical Dimension

Dimension: 440mm (W) x 270 mm (D) x 44mm (H)

Net weight: 3.5Kg

Ø   Power Supply

Input voltage: -48Vdc and/or 220Vac

Voltage range: -36Vdc ~ -74Vdc, 165Vac~265Vac

Power consumption: <10W

Ø   Operation Environment

Working temperature: -10°C ~ 50°C

Working humidity: <=90 % (non condensed)










company show

Photel has the design ability in the equipment of SDH, PDH, PBX, IPPBX, PCM, TDMOIP, HDSL...

1, for the SDH, we had the tech of STM-1 to STM-64 in hand, so we can modify any function to follow the customer needed;

2, for PDH, the uplink optical rate can be 150M or 1.25G, the number of E1 can be 1-16, the ethernet can be FE and GE;

3, for PBX, our PBX can support the protocols of SS7, PRI, V5, R2, it can work as a central switch in the telecom network, it can translate different protocol each other, for eaxmple SS7 to PRI;

4, for IPPBX, we can have IPPBX function in our PBX, we only need to configure one or more IPS card in our PBX to have IPPBX function, IP phone can communicate with analogue phone by dialling;

5. for PCM, we have enough experience in PCM for any customer;

6, for TDMOIP, we have the tech of TDMOIP for 1 to 16 E1s, we have done this solution in FPGA to reduce the cost and easy in components buying;

7, for HDSL, our HDSL is in low cost design, and have good ferformance.



if any requirements from your customers or yourself, please tell us any time, we will do our best for you!


customer photos


Packaging & Shipping


Contact information
Miss Ellen
Skype IDellen.wang96
Whatsapp+86 15996260700
Company websitewww.photel.com.cn