MSBR Series 43 Mediant 500 MSBR
Hardware Installation Manual 5. Cabling the Device
5.4 Connecting to ISDN PRI E1/T1 Trunks
The procedure below describes how to cable the device's E1/T1 trunk.
Warning: To protect against electrical shock and fire, use a 26 AWG min. wire to
connect E1 or T1 ports to the PSTN.
Note: ISDN PRI interface is a customer ordered item.
Cable specification:
Cable: 26 AWG min. wire cable
Connector: RJ-48c
Connector Pinouts:
Figure 5-9: RJ-48c Connector Pinouts for E1/T1
To connect the E1/T1 trunk interface:
1. Connect the E1/T1 trunk cable to the device’s E1/T1 port.
Figure 5-10: Cabling E1/T1 Ports
2. Connect the other end of the trunk cable to your PBX/PSTN switch.
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