86
Figure 100 HMIM-4E1-F panel
Table 136 LED description
LINK/ACT
• On means carrier signal has been received.
• Flashing means data is being received or/and transmitted.
• Off means no carrier signal has been received.
LP/AL
• On means the interface is in a loopback.
• Off means no loopback or alarm is present.
• Flashing means an alarm indication signal (AIS), loss of frame
alignment (LFA) signal, or remote alarm indication (RAI)
signal is present.
LINK
• On means carrier signal has been received.
• Off means no carrier signal has been received.
ACTIVE
• Off means no data is being transmitted or received.
• Flashing means data is being received or/and transmitted.
Interface cables and connection methods
For more information about E1 interface cables, see "E1 interface."
HMIM-8E1
Introduction
The 8-port channelized E1/PRI interface module (HMIM-8E1) transmits, receives, and processes
eight channels of E1 data traffic. In addition, you can use the module for CE1 access and ISDN PRI.
an HMIM-8E1 module, the system automatically creates a serial interface for each timeslot
bundle formed on a controller E1 interface.
Interface specifications
Table 137 Interface specifications
Connector type D68
Number of connectors 1
Interface standard G.703
Interface rate 2.048 Mbps
Cable type 75-ohm 8E1 conversion cable
Cable characteristic impedance 75 ohm
Operating mode E1, CE1, ISDN PRI