IDM-NT202EM Multiservice access equipment User Manual

 

 

 

 

 

 

 

 

 

 

 

IDM-NT202EM Multiservice access equipment

 

 

 

 

User Manual

 

 

 

 

 

 

 

Beijing Raytrans Digital Technology CO., LTD

 

 

 

 

 

 

To the user

(1)                      Thank you for using our equipment. Our equipment is used in design has a good and reliable performance, but still should avoid man-made damage to the equipment. Before using this product, please read this user manual carefully, and properly kept, for reference.

(2)                      Before installing this product, please check the model, and installed according to the requirements of user manual

(3)                      Please keep away from raining and damping, in order to avoid damage.

(4)                      Don't put anything on the power cable, the cable tie or encase. To avoid fire, should be kept where it is not easy to meet.

(5)                      The power adapter and other equipment shall be connected to each other tightly fitting, please check.

(6)                      Please note that the equipment clean, if necessary, can use soft cotton cloth to wipe

(7)                      Please note that don't block ventilation cooling hole

(8)                      Please don't repair equipment, except there are clear instructions in the manual. When the equipment running abnormal please power off immediately and contact the company's after-sales service.

(9)                      Our company provides three months replacement to our products, one year free warranty, life-long maintenance services.

Free maintenance service related matters are as follows:

In one year warranty, if used properly and according to the instruction manual and failure occurs under normal use, the company will be responsible for free maintenance; Every open the equipment itself, the company will not be responsible for maintenance; More than warranty period of equipment, our company is responsible for maintenance, appropriate fees.

(10)                      Caused by the product itself quality problem during the warranty period of the equipment cannot run normally use, the company responsible for replacement, recycling products owned by the company

(11)                      Man-made damage to the equipment damage, or not in accordance with the manual operation of equipment damage, our company is not responsible.

 

1. Function description:

 

1. Support 1 channel 100M Ethernet

2. Support 2 channels EM interface

 

2. Illustration of panel indicator and dial switch

 

 

3. Dial Switch implication:

 

Dial switch	Condition implication
	ON	OFF
SW1	Master clock	Slave clock
SW2	2 Wire	4 Wire
SW3	When sw3=OFF, SW4=OFF, “0”DB sends “0” DB receives; When sw3=OFF, sw4=ON, “0”DB sends “-3.5” DB receives;
SW4

 

4. Panel indicator implication:

 

Indicator	Color	Condition	Function description
EM1	yellow	Light/OFF	First channel E signaling indicator
EM1	green	Light/OFF	First channel M signaling indicator
EM2	yellow	Light/OFF	Second channel E signaling indicator
EM2	green	Light/OFF	Second channel M signaling indicator
ETH	yellow	Light/OFF	Ethernet connection indicator, When the Ethernet get through, it lights.
ETH	Green	Light/OFF	Ethernet rate indicator, light: 100M OFF: 10M
PWR	Green	Light	Power indicator, When the power is normal, it will light
FIBER	Yellow	Light/OFF	Optical interface alarm indicator Light: optical interface alarm; OFF: without optical interface

 

5. Business line definition

 

EM2/4 Wire card 2 Wire  RJ45 (8P8C) The reference of conversion signal pin

 

RJ45		Signal name	Remark
1 (D)	MB Wire	EM signaling output
2 (H)	MA Wire	EM signaling output
3 (A)	IN/out	Audio wire input
4 (B)	IN/out	Audio wire output
5 (E)
6 (F)
7 (G)	EA Wire	EM signaling input
8 (c)	EB Wire	EM signaling input

 

EM2/4 Wire card  4 Wire  RJ45 (8P8C) The reference of conversion signal pin

 

RJ45		Signal name	Remark
1 (D)	MB Wire	EM signaling output	EA wire, EB wire connect 5V power, MB wire and MA wire get through
2 (H)	MA Wire	EM signaling output
3 (A)	IN	Audio wire input
4 (B)	Out	Audio wire output
5 (E)
6 (F)	IN	Audio wire input
7 (G)	EA Wire	EM signaling input	Connect +5V
8 (c)	EB Wire	EM signaling input	Connect GND

 

6. EM signaling testing method

 

Remote sending: when EA wire access the power +5V, EB wire connect GND.

               Central equipment’ s MA wire and MB wire connect through, the power is 0.

 

 

Central sending: when EA wire connect power +5V, EB wire connect GND

Remote equipment’ s MA wire and MB wire connect through, the power is 0.