Cable Pin Assignments
V.35 Connection Cable Pin Assignments
The connector that plugs into the rear panel of
CCITT |
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Code | Pin | Name | DCE DTE | Function | Description |
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101 | A | PG |
| Protective Ground | Machine ground |
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102 | B | SG |
| Signal Ground | Ground reference for all circuits |
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105 | C | RTS | ← | Request to Send | DTE has message to send |
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106 | D | CTS | → | Clear to Send | DCE is ready to accept and transmit DTE data |
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107 | E | DSR | → | Data Set Ready | DCE is ready to operate |
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109 | F | RLSD | → | Data Channel | DCE is receiving a carrier signal |
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| Received Line Signal |
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| Detector |
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108 | H | DTR | ← | Data Receiver Ready | DTE is ready to operate |
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141 | L | LL | ← | Local Loopback | Local loopback |
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140 | N | RDL | ← | Loopback/Maintenan | Remote loopback |
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| ce |
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103 | P | TXD | ← | Transmit Data (A) | Data generated by DTE |
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104 | R/D | RXD | → | Received Data (A) | Data received by DTE |
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103 | S | TXD | ← | Transmitted Data (B) | Data generated by DTE |
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104 | R | RXD | → | Received Data (B) | Data received by DTE |
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113 | U | EXT | ← | Transmitter Signal | To help detect center of signaling element on BA |
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| CLK |
| Element Time (A) |
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115 | V | RSET | → | Receiver Signal | To help detect center of signaling element on BB |
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| Element Timing (A) |
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113 | W | EXT | ← | Transmitter Signal | To help detect center of signaling element on BA |
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| CLK |
| Element Timing (B) |
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115 | X | RSET | → | Receiver Signal | To help detect center of signaling element on BB |
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| Element Timing (B) |
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114
Y TSET
→
Transmit Signal Element Timing (A)
To help detect center of signaling element on BA
114
a
TSET
→
Transmit Signal Element Timing (B)
To help detect center of signaling element on BB
142
n
TST
→
Test Indicator
Reserved for test
October 1997 |