Hardware Installation Manual 50 Document #: LTRT-10229
Mediant 800 MSBR
6.7 Connecting to ISDN PRI (E1/T1) Trunks
The procedure below describes how to cable the device's E1/T1 trunk.
Warning:
• PRI port cabling must be routed only indoors and must not exit the building.
• To protect against electrical shock and fire, use a 26 AWG min wire to connect T1 or
E1 ports to the PSTN.
• To comply with EMC rules and regulations, use shielded twisted pair (STP) cables for
E1 interfaces on the Mediant 800B model.
Cable specification:
Cable: 26 AWG min. wire
Connector: RJ-48c
Connector Pinouts:
Figure 6-21: 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.
2. Connect the other end of the trunk cable to your PBX/PSTN switch.
Figure 6-22: Cabling E1/T1 Ports