90
Interface specifications
Table 140 Interface specifications
Connector type RJ-45
Number of connectors 8
Interface standard
• G.703/G.704
• T1 102
• AT&T TR 54016
• AT&T TR 62411
• ANSI T1.403
Interface rate
• 1.544 Mbps
• 2.048 Mbps
Supported cable
• E1 75-ohm unbalanced twisted pair cable
• E1 120-ohm balanced twisted pair cable, 2 m (6.56 ft), 15 m (49.21 ft), or 30 m
(98.43 ft)
• T1 cable (100-ohm shielding network cable)
• Coaxial connector, network connector, 75-to-120-ohm adapter (with BNC
connector)
Operating mode
• E1/T1/CE1T1/ISDN PRI (only supported by the HMIM-8E1T1)
• FE1T1 (only supported by the HMIM-8E1T1-F)
Supported services
• Backup
• Terminal access service
• ISDN PRI (only supported by the HMIM-8E1T1)
Interface LEDs
Figure 106 HMIM-8E1T1 panel
Figure 107 HMIM-8E1T1-F panel
Table 141 LED description
LINK/ACT
• On means the carrier signal has been received.
• Off means no carrier signal has been received.
• Flashing means data is being transmitted or/and received.
LP/AL
• On means the interface is in a loopback.
• Off means no loopback or alarm is present.
• Flashing means an AIS, LFA signal, or RAI signal is present.
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