
Chapter 1
1-28
RJ21 10 BASE-T PORTS
IN or OUT
AUI
PARTITION
TRAFFIC
RS232
RS485
1 2
THRO UG
H
AMS LINK
UP=PC
DO WN=TERMI NAL
EN
D
3-IN-1 UPLINK
BNC
S pa re Fus e in Fus e Holde r
2 A/ 2 5 0 V S low Blow Fus e
Re pla c e O nly Wit h Fus e of S a me Ra t ing
RJ21 10 BASE-T PORTS
IN or OUT
AUI
PARTITION
TRAFFIC
RS232
RS485
1
2
THRO UG
H
AMS LINK
UP=PC
DO WN=TERMI NAL
EN
D
3-IN-1 UPLINK
BNC
S pa re Fus e in Fus e Holde r
2 A/ 2 5 0 V S low Blow Fus e
Re pla c e O nly Wit h Fus e of S a me Ra t ing
Terminator
RJ21 10 BASE-T PORTS
IN or OUT
AUI
PARTITION
TRAFFIC
RS232
RS485
1 2
THRO UG
H
AMS LINK
UP=PC
DO WN=TERMI NAL
EN
D
3-IN-1 UPLINK
BNC
S pa re Fus e in Fus e Holde r
2 A/ 2 5 0 V S low Blow Fus e
Re pla c e O nly Wit h Fus e of S a me Ra t ing
Terminator
Figure 1-20. Network Connections - Thin Ethernet Backbone
The following figure shows the connection of a new hub to an existing
backbone. To minimize network disruption, follow the steps below.
!
Note: The terminator can be either on the end of the cable or on the T-
connector.