Panasonic 324566-A User Manual

4 Boards 

Nortel Secure Router 8012 

Hardware Description 

 

4-36 

Nortel Networks Inc. 

Issue 5.3 (6 April 2009) 

 

The Secure Router 8012 with HSSI can be connected to the DCE equipment (CSU/DSU) as 
the DTE equipment, or it can be connected with the DTE equipment back-to-back.   

The functions of interface are as follows: 

z

 

The HSSI interface level is ECL. The highest rate is 52 Mbit/s and the maximum 
transmission distance is 50 inches (15 m). 

z

 

HSSI supports two loop working modes: the physical chip self-loop and the line 
self-loop. 

z

 

The interface supports many link layer protocols, such as PPP and HDLC. 

z

 

The interface supports auto-identification of DTE and DCE and chooses the clock 
automatically.  

Table 4-41 shows the appearance of the HSSI interface module. 

Table 4-41 Description of the HSSI front panel 

Silkscreen 

Appearance of the front panel 

1HSSI 

 

2HSSI 

 

 

Table 4-42 describes the indicators of the HSSI interface module. 

Table 4-42 Description of the indicators of the HSSI front panel 

Indicator  State and significance 

LINK 

If the indicator is ON, the link is connected. If the indicator is OFF, the link is 
disconnected. 

ACT

 

If the indicator is OFF, no data is being transmitted or received. If the 
indicator is flashing, data is being transmitted or received. 

 

Table 4-43 shows the attributes of the HSSI interface module.