Cables and Pin Assignments
V.35 User Data Port Connector
The following table provides the pin assignments for the
V.35 connector to the User Data terminal equipment.
Signal
ITU CT#
Direction
Signal Ground/Common | 102 | Ð | B |
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Request to Send (RTS) | 105 | To DSU (In) | C |
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Clear to Send (CTS) | 106 | From DSU (Out) | D |
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Data Set Ready (DSR) | 107 | From DSU (Out) | E |
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Received Line Signal Detector | 109 | From DSU (Out) | F |
(RLSD or LSD) |
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Data Terminal Ready (DTR) | 108/1, /2 | To DSU (In) | H |
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Remote Loopback (RL) | 140 | To DSU (In) | N |
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Local Loopback (LL) | 141 | To DSU (In) | L |
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Transmitted Data (TXD) | 103 | To DSU (In) | P (A) |
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| S (B) |
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Received Data (RXD) | 104 | From DSU (Out) | R (A) |
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| T (B) |
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Transmitter Signal Element Timing ± | 113 | To DSU (In) | U (A) |
DTE Source (XTXC or TT) |
|
| W (B) |
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|
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Receiver Signal Element Timing ± | 115 | From DSU (Out) | V (A) |
DCE Source (RXC) |
|
| X (B) |
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Transmitter Signal Element Timing ± | 114 | From DSU (Out) | Y (A) |
DCE Source (TXC) |
|
| AA (B) |
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Test Mode Indicator (TM) | 142 | From DSU (Out) | NN |
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March 1997 |
