Connecting to an ISDN PRI (E1/T1) Trunk
The procedure below describes the cabling of the device's E1/T1 (PRI) trunk interface.
To protect against electrical shock and fire, use a 26 AWG min wire to connect the E1 / T1 port to the PSTN.
PRI interface is a separate orderable item.
The RJ-48c trunk connector used in the cabling is wired according to the following figure:
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. |
Cabling E1/T1 Port
