Loop Telecom IP6610 - Table 2-8 X.21;DB15 DTE Port Pin Definition

Chapter 2 Loop-IP6610 Installation
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Table 2-8 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
10 Control Return DTE
11 Receive Data Return DCE
12 Indication Return DCE
13 Signal Timing Return DCE
14 External Clock Return DTE
15 Unassigned