Transmit (XMT) This green LED flashes when the
Receive (RCV) This yellow LED flashes when the
Collision (CLN) This red LED flashes when the transceiver detects a collision condition or a jabber packet on the network. The flash frequency may increase as network traffic increases since more collisions are likely to occur. The LED is pulse- stretched for viewing effect.
Link OK (LNK) When lit, this green LED indicates that a link exists between the
Active Port (ACT) This yellow LED indicates which fiber optic port is handling all network traffic through the transceiver. Only one port can be active; the inactive port ACT LED is off. A flashing ACT LED indicates that the port is in the idle state. A slow flash indicates that the
GETTING HELP
If you have questions, or need additional help, contact Cabletron Systems Technical Support as follows:
By phone: | Monday through Friday, |
| 8 am to 8 pm EST at |
| (603) |
By CompuServe: | GO CTRON from any ! prompt |
By Internet mail: | support@ctron.com |
LANVIEW is a registered trademark of Cabletron Systems, Inc.
CompuServe is a registered trademark of
CompuServe, Inc.
Ethernet is a trademark of Xerox Corp.
FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment uses, generates, and can radiate radio frequency energy and if not installed in accordance with the operator’s manual, may cause har mful interference to radio communications. Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense.
WARNING: Changes or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
DOC NOTICE
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.
NOTICE
Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice.
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR C O N S E QU E N T I A L DA M AG E S W H AT S O E V E R (INCLUDING, BUT NOT LIMITED TO, LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF, KNOWN OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.
© Copyright August 1994 by Cabletron Systems, Inc.
P.O. Box 5005, Rochester, NH
Printed in the United States of America
Part number:
FOT-DF24
802.310BASE-FL/FOIRL Redundant Transceiver
The
Primary Port
| SQE |
|
|
|
|
P | S | X | R | C | |
802.3 | W | Q | M | V | L |
REDUNDANT TRANSCEIVER | R | E | T C | N | |
WITH LANVIEW® | 1 LNK |
|
| TX | |
| ACT |
|
| RX | |
| SN |
|
|
|
|
| LNK |
|
| TX | |
| 2 ACT |
|
| RX |
MIN MAX
If the primary port (port 1) receives no data for either 2 or 10 seconds (switch selectable), the port enters the idle state. During the idle state, if the
REQUIREMENTS
The
Fiber Optic Requirements
The