Polycom RealPresence RMX 4000 Hardware Manual page 50

RealPresence Collaboration Server (RMX) 4000 Components and Components Replacement
RTM ISDN card - 9 PRI ports, four LAN ports
The RTM ISDN card supports configuration of Multiple Network services, and the configuration of LAN
redundancy. The RTM ISDN cards can be used with MPMx or MPMRx media cards. The rear panel layout
for the ISDN card is shown next.
Note: Software version
The RTM ISDN card with 9 PRI ports and four LAN ports, with part number BRD 2501x-L0, is not
supported by software versions preceding version 8.4.1. Upgrade the software version to 8.4.1 or a
higher version before use this card.
RTM ISDN card - 9PRI ports, four LAN ports rear panel layout
The RTM ISDN card provides following ports and switch:
● 9 PRI ports:
Any PRI port can work as either E1 or T1 port, and each ISDN card can support up to 7 E1 or 9 T1
ports. With two ISDN cards equipped, a total of 14 E1 or 18 T1 ports can be used for connecting
external ISDN networks.
.
Note: E1 and T1
E1 and T1 spans cannot be connected simultaneously to the same card, therefore, it is not possible
to have a mixed E1 and T1 ISDN Network Service
● Four 1Gb LAN ports:
Note: 200 audio participants
The RTM ISDN card supports 200 audio participants, regardless of whether the spans are E1 or T1.
● One DBG port - Debug port, for technician or field support use.
● ARM/CM switch:
ARM/CM is a switch for technician or field support use. The switch decides the output source
between CM or DSP UART for DBG port.
For pin assignment information, see
Polycom, Inc.
Pin Assignment of Ports on the RTM ISDN Card .
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