Nortel 4134 安装指导
32
Nortel Secure Router 4134 hardware components fundamentals
Figure 12
1-port CT3 Medium Module
1-port CT3 Medium Module
Table 14
Cable and connectors
Cable and connectors
Port
Connector
Recommended
cable type
cable type
Minimum
cable length
cable length
Maximum
cable length
cable length
CT3
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 15
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.
DS3 Medium Module
The 1-port DS3 Medium Module provides a single clear channel T3 port
operating at 44.736 Mbps for WAN access.
operating at 44.736 Mbps for WAN access.
ATTENTION
The Clear Channel DS3 interface module does not support the use of the M13
framing format in Release 10.0. Use only the default framing format of C-BIT on
Clear Channel DS3 interface modules.
framing format in Release 10.0. Use only the default framing format of C-BIT on
Clear Channel DS3 interface modules.
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301
01.02
Standard
10.0
7 August 2007
Copyright © 2007, Nortel Networks
.