AD-net Technology AN-TDM-IP-1E1/2E1-A Manual de usuario descargar pdf (Pagina 15)

TDM over IP User Manual V1.2

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quality condition, small time delay can cause higher error rate, so increasing

time delay coefficient is needed.

Input 3, and input advanced configuration information.

Advanced configuration information includes then length of IP package, used

network communication mode and E1 communication mode.

For optimization, the length of IP package must be divided exactly by 64, and it

must not be less than 640 and bigger than 1024. short data package can have

short time delay, while long data package can increase network forwarding.

Network communication mode can choose TCP or UDP. When choosing TCP,

input 0 after “Next Time start with TCP or UDP(0:tcp 1:udp):”. While choosing

UDP, input 1. but TCP is recommended. E1 has two communication modes.

One is none-framed transparently transmission. The other one is to choose

how many time gaps to transmit. Input 0 after” select E1 communication

mode(0:2M transparent; (1~31): n*64K):”, this means to choose to transmit E1

transparently without dividing frame. Choose the numbers between 1 and 31,

for example 10, then the ten time gap from 1 to 10 are transmitting (0 times

gap is not included). When getting to the corresponding end, insert 0 time gap

and other time gap to recreate E1 signal, namely, n*64k transmitting mode.

After configuration, input 4 to save the configuration information. Or, when

quitting the system, it will remind to save. If not saving, shutting down will lose

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AD-net Technology AN-TDM-IP-1E1/2E1-A Manual de usuario Pagina 15