User's Manual

MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide 69
Invisible place holder
Figure 3-32. Point-to-Point Serial-to-Serial Application Diagram
3.6.8 Point-to-Multipoint Serial-to-Serial Application
Example
The operation and data flow for this mode is very similar to
Point-to-Point serial-to-serial application, except that it uses multicast
addressing. The primary difference is that data presented at the Access
Point’s
COM port will be packetized and sent via UDP to all of the
Remotes. Upon receiving the packet all of the Remotes strip the data out
of the UDP packet and send it out their
COM port. Likewise, data pre-
sented at any of the Remotes’
COM ports is packetized, sent to the
EIA-232
RTU
EIA-232
Terminal
or Computer
192.168.0.10 192.168.0.1 192.168.0.2
Remote
Access Point
L
A
N
C
O
M
1
C
O
M
2
P
W
R
L
I
N
K
Table 3-2. Serial Port Application Configuration
Transceiver Location Menu Item Setting
Access Point (COM2)
1
Status Enabled
Data Baud Rate 9,600 (Example)
Flow Control Hardware (Example)
Serial Mode Seamless
SIFD 4
IP Protocol UDP
Remote IP
Address
192.168.0.2
(IP address of the Remote radio)
Remote IP Port 30011
Local IP Port 30011
Remote Unit (COM2)
1
Status Enabled
Data Baud Rate 9,600 (Example)
Flow Control X-ON/X-OFF (Example)
Serial Mode Seamless
SIFD 4 (Characters)
IP Protocol UDP
Remote IP
Address
192.168.0.1
(IP address of the AP)
Remote IP Port 30011
Local IP Port 30011
1. Either COM port can be used, but they must be the same ones at both ends
of the link. Both COM ports can be used simultaneously for two independent
data channels.