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8 EiconCard S90 Installation Guide

Interface Speciﬁcations

The standards compliant with each interface supported on the VHSI

port are listed in Table 2. The rest of this section describes the

allocation of pins used to implement the electrical and signaling

requirements of each interface. A wiring diagram is also provided, to

show the correspondence of the interface pinout to the VHSI port.

Table 2. Interface Compatibility

Interface Standard Compatibility

V.24 CCITT V.24 Signaling

CCITT V.28 Electrical

CCITT X.21bis Electrical and signaling

EIA RS-232-C Electrical and signaling

ISO 2110 Connector type for the DCE side of a V.24

VHSI Modem Cable

V.35 CCITT V.28 Some signals for electrical

CCITT V.35 Some signals for electrical and signaling

ISO 2593 Connector type for the DCE side of a V.35

VHSI Modem Cable

EIA-530 RS-422 Electrical

RS-423 Electrical

ISO 2110 Connector type for the DCE side of a EIA-

530 VHSI Modem Cable

V.36/RS-449 CCITT V.10 Electrical

CCITT V.11 Electrical

RS-422 Electrical

RS-423 Electrical

ISO 4902 Connector type for the DCE side of a V.36/

RS-449 VHSI Modem Cable

X.21 CCITT X.21 Signaling

CCITT V.11 Electrical

CCITT X.27 Electrical

EIA RS-422-A Electrical

ISO 4903 Connector type for the DCE side of an X.21

VHSI Modem Cable

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Eicon Networks S90 Installationsanleitung Seite 8