New Arrival , Super High Quality,Ultimate Performance 

2 Channels PCM Voice Telephone over Singlemode Fiber Optic up to 20Km, with 10/100Mbps Ethernet  

Features:

1. High quality PCM voice telephone Modular design, stable and reliable performance
2. Support Protocol: IEEE 802.3, IEEE 802. 1Q (VLAN)
3. Transmission bandwidth: 10-100Mbps (per network port) full duplex, half duplex fully adaptive
4. Adopt traditional PSTN normal voice, each voice occupies a 64K channel, support caller ID and fax.
5. Compact design, beautiful appearance and convenient installation and operation.
6. Complete status display function for easy maintenance and management.
7. Single-mode and multi-mode adaptive, single FC interface (SC optional)
8. Working distance : singlemode fiber 0~20Km, and compatible with Multimode fiber 0~300meters.

Phone RJ11 port specifications:

1. Voice coding: PCM coding, 64Kbps per voice
2. Crosstalk attenuation: ≥65dB
3. Balanced noise: ≤63.7dBmop
4. Insertion loss: -3 ± 0.75dB
5. Frequency characteristics: 300 to 3400 Hz (-0.6 to +3 dB)
6. Relay port (FXO): connected to the switch
7. Two-wire AC input impedance: 200+680//0.1 Ω (three components)
8. Ringing voltage: 35 ~ 150V
9. Ringing frequency: 17~60HZ
10. loss: 20 db
11. User Interface (FXS): Connect to the users telephone
12. Two-wire AC input impedance: 200+680//0.1 Ω (three components)
13. User line loop resistance: less than 1KΩ (including phone)
14. Ringing voltage peak-to-peak value: 110~150V
15. Ringing frequency: 22~28HZ
16. Feed voltage: 28V
17. Feed current: 20~50mA;
18. loss: 20 db
19. Bell flow: AC90 plus or minus 15V

Ethernet RJ45 port specifications:

1.   Rate: 10M/100M, full duplex, half duplex fully adaptive
2.   Actual transmission bandwidth: 50Mbps per network port
3.   Protocol: Support IEEE 802.3, IEEE 802.1Q (VLAN)
4.   Physical interface: RJ45, support AUTO-MDIX (cross line straight line adaptive)

Power supply: 

1. Suitable working voltage AC100~240V, DC5V/2A. 
2. US/EU/UK/AU power supply adaptor is available.

Applicable environment:

Major communication operators, governments, enterprises and institutions.

Package include: 

• 1x 2CH PCM telephone Transmitter 
• 1x 2CH PCM telephone Receiver
• 1x 3M FC/FC singlemode single fiber patch cord  
• 2x Power supply (default US, EU/UK/AU available)
• Manual

Shipping : We Ship to Worldwide, the items will be shipped within 1~2 business day after your full payment !  

Payment : .

 Policy:

1. s are only offered for defective products reported within 7 days upon receipt.

2. All items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the , and your po#.

3. We will replace your item if it is found to be defective within 14 days.

4. Buyer required paying for his own postage  to  the item to us. Shipping and handling  are non-able at any case.

5. Please contact us first by email before ing your item, because some solutions may not require ing your item.ed item must be in new condition with all the accessories.

6. All warranties do not cover the damage due to misuse or compatibility.

8. We do our best to serve each and every customer the best we can. 

 and Guarantee:

1.Two years , Buy with confidence!

2.If you find any defect for item in 3 months, we will send you a replacement without additional cost, or make  after we receive the defective item.

4. If item is defective after 3 months, we can still accept that you send it back to us. A new one will be sent to you after we received the defective item, but you have to pay the extra shipping fee.

Other Policies:

1. We are not responsible for any custom duty or import tax.

2. After receiving the payment for item, we will leave POSITIVE FEEDBACK. If the item is not satisfactory to you when you received, please feel  to contact us.

3. All emails will be responded within 1 business day. If you do not receive our reply, we will reply to you upon receipt of your re-sent email as soon as possible. 

4. Serious Buyer Only! Please place bid only if you agree with all the terms.