Prosody X PCI Express R1 Card – Installation Guide
Card installation & connection safety warnings
The Primary Rate E1 ISDN Interface is a TNV interface as detailed in section 6 of
AS/NZS 60950.
To ensure ongoing compliance with AS/NZS 60950:2000:
a. Where equipment is to be electrically connected to other equipment,
interconnection circuits shall be selected to provide continued conformance with
the requirements of section 2.3 for SELV circuits, and with the requirements of
clause 6 for TNV circuits, after making connections between equipment's.
b. Make sure that the integrity of the SELV system is maintained when connection is
made through any other electrical interface within the system. If in any doubt
seek competent advice.
c. All host equipment incorporating the E1 ISDN Interface must be earthed.
Trunk cable pinout
The 8-contact RJ45 Modular Plug on the cable between the E1 interface socket and
the network must be wired as follows:
Pin
Signal
Function
Direction
4
LTT
Trve (tip)
output
5
LTR
Transmit –ve (ring)
output
1
LRT
Rve (tip)
input
2
LRR
Receive –ve (ring)
input
The cable and plug must be shielded types to ensure EMC compliance.
If a cable is to be produced to wire into a network trunk connection, the connector on
the network end of the cable must be wired as appropriate for the network-terminating
unit provided.
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