GAI-Tronics LE300-IP Page/Party Line Extender - Manual (Page 28)

Pub. 42004-488C
M ODEL LE300-IP P AGE /P ARTY
®
L INE E XTENDER P AGE 25 of 68
e:\standard ioms - current release\42004 instr. manuals\42004-488c.doc
09/14
IP Bandwidth Requirements
Each pair of LE300-IP Line Extenders requires approximately 3 Mb of bandwidth on the network. Actual
bandwidth usage can be adjusted via settings on the IPmux-24. Refer to the IPmux-24 user manual for
details.
Rules for Interconnecting More than Two Model LE300-IPs
When connecting more than two Model LE300-IPs together, these rules must be followed.
 A maximum of two Model LE300-IP pairs can be connected in series when the series connections are
made using Page/Party ® cable as shown below.
Figure 10. Maximum Series Connections
When Model LE300-IPs are connected in series, a problem can arise when training the echo
cancellation. If more than one Model LE300-IP is training echo cancellation on a signal line at the
same time, then none of them will train echo cancellation properly. To prevent this, power each line
extender one at a time. Wait for the echo cancellation to complete on the first line extender before
powering the second.
 A maximum of eight pairs of Model LE300-IPs can be connected in parallel. Parallel connections
must be made using the LVDS as shown below.
Figure 11. Maximum Parallel Connections