Advanced Use | TANDBERG Director Videoconferencing System |
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Network clocking
The network clock setting specifies the number of physical external clock signals.
Use ‘RS449/V35 Compatible’ when the external equipment provides two clock signals, one for transmit and one for receive. The difference between RS449 and V35 is the cable only.
Use ‘X21 Compatible’ when the external equipment provides a common clock signal for both transmit and receive.
Cable Specification, V.35 |
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| Signal Name | Female | Male 34pin | Male 25pin | Comments |
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| 26pin DSUB | Winchester | DSUB |
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| Pin number | Pin number |
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| Frame ground | 1 | A |
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| Signal ground | 19,23 | B |
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| TX(A), transmit data | 11 | P |
| Twisted pair |
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| TX(B) | 12 | S |
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| RX(A), receive data | 13 | R |
| Twisted pair |
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| RX(B) | 14 | T |
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| RCLK(A), rcv clock | 15 | V |
| Twisted pair |
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| RCLK(B) | 16 | X |
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| TCLK(A), xmt clock | 17 | Y |
| Twisted pair |
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| TCLK(B) | 18 | AA |
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| DTR | 26 | H, C |
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| RI | 24 | L, J |
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| RLSD | 22 | F |
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| RS366 DPR | 2 |
| 2 |
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| RS366 ACR | 3 |
| 3 |
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| RS366 CRQ | 4 |
| 4 |
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| RS366 PND | 5 |
| 5 |
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| RS366 DLO | 6 |
| 22 |
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| RS366 NB1 | 7 |
| 14 |
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| RS366 NB2 | 8 |
| 15 |
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| RS366 NB4 | 9 |
| 16 |
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| RS366 NB8 | 10 |
| 17 |
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| RS366 GND | 19 |
| 7 |
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| Cable Marking | NET | DSU V.35 | DSU RS366 |
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