Features:

1. 1. High quality PCM voice telephone Modular design, stable and reliable performance
2. 2. Support Protocol: IEEE 802.3, IEEE 802. 1Q (VLAN)
3. 3. Transmission bandwidth: 10-100Mbps (per network port) full duplex, half duplex fully adaptive
4. 4. Adopt traditional PSTN normal voice, each voice occupies a 64K channel, support caller ID and fax.
5. 5. Compact design, beautiful appearance and convenient installation and operation.
6. 6. Complete status display function for easy maintenance and management.
7. 7. Single-mode and multi-mode adaptive, simplex SC interface
8. 8. Working distance : singlemode fiber 0~20Km, and compatible with Multimode fiber 0~500meters.

Phone RJ11 port specifications:

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

Ethernet RJ45 port specifications:

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

Power supply: 

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

Working temperature: -25 ℃ to +75 ℃ .
 

Applicable environment:

Major communication operators, governments, enterprises and institutions.

Package include: 

• 1.  1x 2CH PCM telephone Transmitter 
• 2.  1x 2CH PCM telephone Receiver
• 3.  2xpower supply (US/EU/UK/AU available)
• 4.  User Manual