Rtm Isdn 1500 - Polycom RMX 1500 Hardware Manual

Table 1-7
Item
MAIN/RTM
Standby button

RTM ISDN 1500

The ISDN card is shipped out of the box and must be manually installed into the rear of the
RMX 1500. For more information, see "Installing or Replacing the RTM ISDN 1500 Card" on
page 2-1.
The RTM ISDN 1500 connects directly to the built-in MPMx. The RTM ISDN card routes
data between the MPMx card and components of the system, converts ISDN T1/E1 media to
IP packets and provides connectivity to external ISDN networks.
The RTM ISDN card is installed on the rear panel of the RMX interfaces between the RMX
unit and the ISDN/PSTN switch.
With the RMX 1500, you can either have a dedicated E1 or T1 Type Network Service. It is not
possible to have a mixed E1 and T1 ISDN Network Service.
The RTM ISDN card contains four connections to which up to four E1 or T1 PRI lines can be
connected as shown in Figure 1-9.
Figure 1-9
The RTM ISDN card supports up to 120 audio participants, regardless of whether the spans are E1
or T1.
Polycom, Inc.
RMX 1500 Rear Panel - RTM IP 1500 Component Description (Continued)
Description
Selection of the connection type for the RS-232 port. When the switch is up -
the serial port connects to the MPMx card.
When the switch is down, connects to the RTM IP.
Toggle between ON/OFF and standby. Use this button to either perform
Diagnostics or Software Recovery on the RMX after turning the system ON.
Short press (2 seconds) - MPMx Diagnostics.
Long press - (10 seconds) Media and RTM IP 1500 Software Recovery.
4 E1/T1 connections
RMX 1500 RTM ISDN Rear Panel Layout
Chapter 1-Hardware Description
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