Nortel 4134 安装指导
Interface modules for the Secure Router 4134
33
The following figure shows the 1-port DS3 Medium Module.
Figure 13
1-port DS3 Medium Module
1-port DS3 Medium Module
Table 16
Cable and connectors
Cable and connectors
Port
Connector
Recommended
cable type
cable type
Minimum
cable length
cable length
Maximum
cable length
cable length
DS3
Two BNC
connectors —
one for transmit
and one for
receive
connectors —
one for transmit
and one for
receive
Two 75 ohm
unbalanced coax
cables (RG-179
typical)
unbalanced coax
cables (RG-179
typical)
None
450 ft (137.16 m)
Table 17
Module LEDs
Module LEDs
LED
Description
LINK/STAT
Status of interface:
•
Off: Not connected or the interface is out of service.
•
Yellow: The interface is in a loopback mode or is running diagnostics
•
Green: The link or channel is active and receiving a valid signal
STAT
General module status:
•
Off: No power available to the module
•
Yellow: Out of service, or failed to initiate
•
Green: Power on and the module is operational.
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301
01.02
Standard
10.0
7 August 2007
Copyright © 2007, Nortel Networks
.