Xerox Phaser 750 安装指南

 

Token Ring connections and indicators

 

The PhaserShare Token Ring card has the following connections and indicators on the rear 
panel:

 

Shielded Twisted Pair (STP; IBM Type 1) connector (DB-9).     

 

2.

 

Unshielded Twisted Pair (UTP; IBM Type 3) connector (RJ-45).

 

3.

 

Ring speed indicator (yellow);  

 

 indicates 16 Mbps, 

 

 indicates 4 Mbps.

 

4.

 

TX indicator (yellow); 

 

 while the interface is transmitting. 

 

5.

 

Connection indicator (green); 

 

 indicates that the card is asserting its ring insertion 

control signal.

 

6.

 

RX indicator (green); 

 

 while the interface is receiving.          

 

Note

 

The STP port on the PhaserShare Token Ring card 
supports cable lengths up to 150 meters (492 feet) from 
the interface to the MAU (Medium Access Unit), 
including lobe and patch cables. 

9789-06

TX

RX

INS

16

Mbs

STP

UTP