CHAPTER 2
2-28 IEN HARDWARE REFERENCE 940043-002
V.35
Table 2-8 lists the DB25 pin assignments for a V.35 physical interface.
Table 2-8 DB25 (V.35)
PIN V.35 Pin Assignment Key
1Frame Ground FG
2Pin not used N/A
3Pin not used N/A
4 Request To Send RTS
5 Clear To Send CTS
6 Data Set Ready DSR
7 Signal Ground SG
8 Data Carrier Detect DCD
9 Transmit Clock B TC-B
10 Receive Clock B RC-B
11 Transmit Data B TD-B
12 Receive Data B RD-B
13 External Transmit Clock B ETC-B
14 Receive Data A RD-A
15 Pin not used N/A
16 Pin not used N/A
17 Pin not used N/A
18 Pin not used N/A
19 Receive Clock A RC-A
20 Data Terminal Ready DTR
21 Transmit Clock A TC-A
22 Pin not used N/A
23 Transmit Data A TD-A
24 Pin not used N/A
25 External Transmit Clock A ETC-A
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