Cisco TelePresence ISDN Link Handbuch für Administratoren - Seite 23
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Cisco TelePresence ISDN Link
Contents
Introduction
Pin-out schemes
This page gives an overview of the pin-out schemes for the connectors on the ISDN Link.
Pin-out RS-232 COM Port
Pin
Signal name
Direction2
1
Carrier detect, CD
From DCE
2
Receive data, RXD
From DCE
3
Transmit data, TXD
To DCE
4
Data terminal ready, DTR
From DCE
5
Signal GND
6
Data set ready, DSR
From DCE
7
Ready to send, RTS
To DCE
8
Clear to send, CTS
From DCE
9
Ring indicator, RI
From DCE
1) Only RXD, TXD and signal GND are used, the
other pins are reserved for possible future use.
2) The ISDN Link is the DCE (Data Circuit-
terminating Equipment).
RS-232 9 pin D-SUB pin-out
External view of socket.
5
1
9
6
D14954.01
ISDN Link Administrator Guide IL1.0, June 2012.
Copyright © 2012 Cisco Systems, Inc. All rights reserved.
Getting started
1
Pin
Name
1
BI_DA+
2
BI_DA-
3
BI_DB+
4
BI_DC+
5
BI_DC-
6
BI_DB-
7
BI_DD+
8
BI_DD-
Ethernet interface
2 × Gigabit ethernet (RJ-45). Gigabit Ethernet requires, at least Category 5 cable, but
Category 5e or Category 6 cables may also be used and are often recommended.
Gigabit Ethernet requires all four pairs to be present.
PRI
Pin 1
Pin 2
Pin 4
Pin 5
ISDN PRI (E1/T1) interface
1 × PRI (RJ-45 Jack) Primary Rate
Interface. Use any standard PRI cable to
connect the ISDN Link to PRI.
Configuration examples
Password protection
Gigabit Ethernet
Description
Bi-directional pair A+ (tranceive)
Bi-directional pair A- (tranceive)
Bi-directional pair B+ (receive)
Bi-directional pair C+
Bi-directional pair C-
Bi-directional pair B- (receive)
Bi-directional pair D+
Bi-directional pair D-
E1/T1 Interface
Pin-Out
Crossover PRI cable
BRI
RX+
4
Pin 3
RX-
5
Pin 4
Pin 5
TX+
1
Pin 6
TX–
2
ISDN BRI (S/T) interface
4 × ISDN I.420 (RJ-45 Jack) Basic Rate
Interface (S/T). Use any standard ISDN
BRI cable to connect the ISDN Link to BRI.
23
Appendices
Appendices
RJ-45 Connector pin-out
TIA/EIA 568A
TIA/EIA 568B
white/green
white/orange
green
orange
white/orange
white/green
blue
blue
white/blue
white/blue
orange
green
white/brown
white/brown
brown
brown
S/T Interface
Pin-Out
TX+
RX+
RX–
TX–
Administrator guide
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