2.4 Installation of the CO Line Cards
Installation Manual 75
2.4.3 T1 Card
Function
1-port T1 CO line card. EIA/TIA standard compliant.
Accessory and User-supplied Items
Accessory (included): none
User-supplied (not included): RJ45 connector
Notes
• Connect this optional service card to the CO line through NT1; do not connect to the CO line
directly.
• T1 Card must be installed behind an FCC registered and UL or CSA-NRTL listed CSU.
• To confirm the CO line connection, refer to "Confirming the CO Line Connection" in "2.12.1 Starting
the Hybrid IP-PBX".
CAUTION
T1 ports are SELV ports and should only be connected to SELV services.
Switch Settings
Switch Type Usage and Status Definition
A/B Slide Keep the switch at default A position. Do not change the position of this
switch.
LEDs
RJ45
AB
To NT1
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