Cisco TelePresence Administrator's Manual page 24

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.
HD D-SUB 26 pin-out
External view of socket.
1
9
10 18
19 26
Pin-out V.35 DTE - DCE Port
Pin Signal Name Description
1 FGND Frame GND on equipment
11 SD(A) Send Data / Transmit
12 SD(B) Send Data / Transmit
13 RD(A) Receive Data
14 RD(B) Receive Data
15 SCR(A) Signal Clock Receive
16 SCR(B) Signal Clock Receive
17 SCT(A) Signal Clock Transmit
18 SCT(B) Signal Clock Transmit
19 Signal GND
GND 1
22 RLSD(CD) Received Line Signal
Detector / Carrier Detect
23
RLSD(GND) 1 Signal GND
24 RI Ring Indicator
25 LOS Loss of Signal (KG194)
26 DTR Data Terminal Ready
1) These pins are connected to ground for
correct operations
D14954.01 ISDN Link Administrator Guide IL1.0, June 2012.
Copyright © 2012 Cisco Systems, Inc. All rights reserved.
Getting started Configuration examples
Pin-out RS449 DTE - DCE Port
Pin Signal Name Description
1 Frame GND
FGND 1
11 SD(A) Send Data
12 SD(B) Send Data
13 RD(A) Receive Data
14 RD(B) Receive Data
15 RT(A) Receive Timing
16 RT(B) Receive Timing
17 ST(A) Send Timing
18 ST(B) Send Timing
19 GND
GND 2
20 TR(A) Terminal Ready
21 TR(B) Terminal Ready
22 RR(A) Carrier Detect / Receiver Ready
23 RR(B) Carrier Detect / Receiver Ready
24 IC Incoming Call
25 LOS Loss of Signal (KG194)
1) Frame GND is connected to pin 1 on DTE
2) This pin is connected to ground for correct
operations
Password protection
Pin-out RS366 DTE - DCE Port
Pin Signal Name Description
1 FGND Frame GND
2 DPR Digit Present
3 ACR Abandon Call & Retry
4 CRQ Call Request
5 PND Present Next Digit
6 DLO Data Line Occupied
7 NB1 Digit Bit 1
8 NB2 Digit Bit 2
9 NB4 Digit Bit 4
10 NB8 Digit Bit 8
24
Administrator guide
Appendices Appendices Contact us
Pin-out X.21 DTE - DCE Port
Pin Signal Name Description
1 FGND Frame GND
11 T(A) Send Data / Transmit
12 T(B) Send Data / Transmit
13 R(A) Received Data / Receive
14 R(B) Received Data / Receive
15 S(A) Signal Element Timing
16 S(B) Signal Element Timing
20 C(A) Terminal Ready / Control
21 C(B) Terminal Ready / Control
22 I(A) Carrier Detect
23 I(B) Carrier Detect
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