Appendix B. Connector Pinouts
B-2
TDU 120e User Manual
61202156L2-1
Control In/Chain In
This is used as an RJ-45 port for connection to a computer
or modem (Control In) or to another TSU/TDU family
multiplexer or TSU 100 (Chain-In). See Table B-3 for the
pinout for the control/chain-in connector.
Table B-2. Network Pinout of the Male 15-Pin D-Connector
Pin
Name
Description
1
T
TX DATA TIP
Sends data toward the Network
2
FG
FRAME GROUND
3
T1
RXDATA-TIP
Receives data from the Network
4
FG
FRAME GROUND
5,6,7,8
UNUSED
9
R
TXDATA-RING
Sends data toward the Network
10
UNUSED
11
R1
RXDATA-RING
Receives data from the Network
12,13,14,15
UNUSED
Table B-3. Control In/Chain In Pinout
Pin
Name
Description
1
GND
Ground - connected to unit chassis
2
RTS
Request to send - flow control
3
RXDATA
Data received by the TDU 120e
4
UNUSED
5
TXDATA
Data transmitted by the TDU 120e
6
Ext Alarm A
When grounded, generates Alarm A
7
Ext Alarm B
When grounded, generates Alarm B
8
CTS
Clear-to-send-flow control
Содержание 1202155L1
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Страница 20: ...Table of Contents xx TDU 120e User Manual 61202156L2 1...
Страница 22: ...List of Figures xxii TDU 120e User Manual 61202156L2 1...
Страница 24: ...List of Tables xxiv TDU 120e User Manual 612022156L2 1...
Страница 42: ...Chapter 2 Installation 2 12 TDU 120e User Manual 61202156L2 1...
Страница 92: ...Chapter 5 Configuration Menu 5 30 TDU 120e User Manual 61202156L2 1...
Страница 108: ...Chapter 7 Test Menu 7 12 TDU 120e User Manual 61202156L2 1...
Страница 116: ...Chapter 8 Remote Management Menus 8 8 TDU 120e User Manual 61202156L2 1A...
Страница 124: ...Appendix A Understanding SNMP A 8 TDU 120e User Manual 61202156L2 1...