Keymile SUPM1 - Page 11

User Manual
SUPM1
page 11 of 94© KEYMILE December 2015 EN/LZTBU 372 129/1 RC
94
Functions and Specifications
Table 3: Main functions and specifications
Feature Rating or standard Release
16 PSTN user ports according to ITU-T Q.552 ITU-T Q.552 (11/2001)
Transmission characteristics at 2-wire analogue
interfaces of digital exchanges
ITU-T G.711 (1988)
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Pulse Code Modulation (PCM) of voice frequencies r1a
BORSCHT functionality: Battery feed
Overvoltage protection
Ringing injection
Supervision
Codec
Hybrid
Testing
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Voice impedances configurable for different countries
and applications
ITU-T Q.552 (11/2001)
Transmission characteristics at 2-wire analogue
interfaces of digital exchanges
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Input and output level configuration ITU-T G.712 (11/2001)
Transmission performance characteristics of pulse
code modulation channels
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Input and output overvoltage protection
According to ITU-T K.20, enhanced test level with
acceptance criteria A.
Note:
External primary protection (230V Gas Discharge
Tubes) is mandatory
ITU-T K.20 (07/2003)
Resistibility of telecommunication equipment
installed in a telecommunications centre to overvolt-
ages and overcurrents
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Connector DIN 41612 r1a
V5CAS mode of operation (internal communication) r1a
MCAS modes of operation Technical specification for customer signalling in
public networks:
T 0197, Mercury Communications Ltd., 1990
Analogue 2-wire signalling state diagrams:
C6 0193 Issue 2, Mercury Communications Ltd,
1996
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Phone-Exchange mode of operation r1a
Phone-Phone mode of operation r1a
Pulsed no battery type “a-wire disconnected”
Pulsed no battery type “a-b-wire disconnected”
NZ PTC 107, 6.5 r1a
Wetting current BT, SIN 242 Issue 2.2, November 2002
“Calling Line Identification Service”
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Onboard ringing generator r1a
Onboard line-test function r1a
Thermal management r1a
Protection against equipment damage caused by faulty
installation of cables
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Front panel access. One shielded cable is connected to
the front panel. It carries all 16 subscriber lines
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No hardware settable options on the unit. All unit
parameters are software settable with the Element Man-
ager
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