Loop Telecom Loop-IP6704A, Руководство пользователя, Страница: 30 / 220

Chapter 2 Installation IP6704A TDMoEthernet
Loop Telecommunication International, Inc.
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Table 2-8 EIA530/DB25 DTE Port Pin Definition
Pin Number Signal Source
1 Cable Shield
2 Transmit Data DTE
3 Receive Data DCE
4 Request To Send DTE
5 Clear To Send DCE
6 Data Set Ready DCE
7 Signal Ground
8 Data Carrier Detect DCE
9 Receive Clock Return DCE
10 Data Carrier Detect Return DCE
11 External Clock Return DTE
12 Transmit Clock Return DCE
13 Clear To Send Return DCE
14 Transmit Data Return DTE
15 Transmit Clock DCE
16 Receive Data Return DCE
17 Receive Clock DCE
18 Local Loopback DTE
19 Request To Send Return DTE
20 Data Terminal Ready DTE
21 Remote Loopback DTE
22 Data Set Ready Return DCE
23 Data Terminal Ready Return DTE
24 External Clock DTE
25 Test Mode DCE
Table 2-9 X.21/DB15 DTE Port Pin Definition
Pin Number Signal Source
1 Cable Shield
2 Transmit Data DTE
3 Control DTE
4 Receive Data DCE
5 Indication DCE
6 Signal Timing DCE
7 External Clock DTE
8 Signal Ground
9 Transmit Data Return DTE