INSTALLATION REQUIREMENTS/ SPECIFICATIONS
FRONT PANEL SWITCHES (cont.)
ROOT / O |
| When the switch is on ( ), it designates the | |
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| bridge as the root bridge in the network. | |
AUI PORT (NB20E/NB25E) |
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Interface Connector |
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Type: |
| 15 position D type receptacle. | |
Pin 1 | Logic Ref. | Pin 9 Collision - | |
2 | Collision + | 10 Transmit - | |
3 | Transmit + | 11 | Logic Ref. |
4 | Logic Ref. | 12 | Receive - |
5 | Receive + | 13 | Power (+12 Vdc) |
6 | Power return | 14 | Logic Ref. |
7 | No Connection | 15 | No Connection |
8 | Logic Ref |
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Connector Shell: | Protective Ground | ||
RS232 PORT |
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Type: |
| Standard 9 pin RS232 Port | |
Pin 1 DCD | Pin 6 NU | ||
2 TX | 7 TRS | ||
3 RX | 8 CTS | ||
4 DTR | 9 RX Clock | ||
5 | Signal Ground |
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