LED
STAT
DS3 Medium Module (supported on Secure Router 4134 only)
The 1-port DS3 Medium Module provides a single clear channel T3 port operating at 44.736
Mbps for WAN access.
Important:
The Clear Channel DS3 interface module does not support the use of the M13 framing
format. Use only the default framing format of C-BIT on Clear Channel DS3 interface
modules.
The following figure shows the 1-port DS3 Medium Module.
Figure 17: 1-port DS3 Medium Module
Table 20: Cable and connectors
Port
DS3
Installation — Hardware Components
• 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
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
Connector
Recommended
cable type
Two BNC
Two 75 ohm
connectors —
unbalanced
one for transmit
coax cables
and one for
(RG-179 typical)
receive
Interface modules for the Secure Router 2330/4134
Description
Minimum cable
length
None
Maximum cable
length
450 ft (137.16
m)
August 2013
37