T1 Installation
142 Installation Manual
4.1 T1 Line Outline
4.1.1 Overview
To use the T1 Line, the following unit is required.
T1 Line Unit (KX-TD187)
The unit adds 24 channels (outside line number 25 through 48 for KX-TD1232). If this unit is
installed, other optional cards which extend outside lines cannot. This unit can be installed to
any of the expansion unit areas provided on the front of the main unit.
Note
• KX-TD187 must be installed behind an FCC registered and UL or CSA-NRTL listed CSU.
• If you use the KX-TD170 with the KX-TD187, you must use the KX-TD170 which has
suffix 'C' or later.
The former KX-TD170 does not work properly with KX-TD187.
Please see the back of the unit and check suffix.
How to distinguish suffix
• System Programming is required for card location identification.
The compatibility between KX-TD187 and KX-TD170
Master System Slave System
With KX-TD187 Suffix 'C' or later Don't care.
*1
*1
KX-TD187 can not be installed in slave system.
Without KX-TD187 Don't care. Don't care.
*1
Serial No. LABEL
Suffix
UNIT No.
C
