Enterasys Networks 2200 User Manual

Each fiber optic link consists of two fiber optic strands within the cable: the transmit (TX) and the 
receive (RX). The transmit strand from a 2H258-17R port connects to the receive port of a fiber 
optic Fast Ethernet device at the other end of the segment. The receive strand of the applicable port 
on the 2H258-17R connects to the transmit port of the fiber optic Fast Ethernet device.

Enterasys Networks recommends labeling fiber optic cables to indicate receive and transmit ends. 
Many cables are prelabeled, providing matching labels or tapes at both ends of each strand of 
cable.

The following instructions detail the process used to connect a MT-RJ connector to a 2H258-17R 
port.

1. Remove the protective covers from the fiber optic ports on the applicable port on the device, and 

from the connectors on each end of the cable.

2. Insert the MT-RJ fiber optic cable connector on the cable into the MT-RJ connector on the 

device until it clicks into place. See 

.

.

NOTE: Leave the protective covers in place when the connectors are not in use to 
prevent contamination.

CAUTION: Do not touch the ends of the fiber optic strands, and do not let the ends 
come in contact with dust, dirt, or other contaminants. Contamination of cable ends 
causes problems in data transmissions. If the ends of the fiber optic strands become 
contaminated, use a canned duster to blow the surfaces clean. A fiber port cleaning 
swab saturated with optical-grade isopropyl alcohol may also be used to clean the ends.

CAUTION: To remove the cable connector, press on its release tab and then pull the 
connector out of the MT-RJ connector on the device.