Vertical SUMMIT IP
Hardware Description and Installation Manual
Issue 1.2
36
4.6.7 DTIB8 (Digital Telephone Interface Board – 8 ports)
Description
The DTIB8 board is shown in Figure 4.6.7-1 and has 8 Digital Key Telephone (DKT)
interface circuits. The board can be installed on the CN1 connector of a KSU or EKSU for
expansion. There are no optional daughter boards for the DTIB8.
The board is provided with two Standoffs that must be installed prior to mounting the board.
To install the board in the KSU, refer to Section 4.3.
Figure 4.6.7-1 DTIB8
Connector and Modular jack
Table 4.6.7-1 Connector and Modular Jack Function
Connector
Functions
Remark
CN1
Connection to second option board
70 pins
CN2
Connection to MBU CN1 connector
70 pins
CN3
CPLD JTAG for development
10 pins
MJ2
8 DKT
RJ11
LED Indications
Table 4.6.7-2 LED Indications
LED
Color
Description
LD1
Blue
ON: a station is in use
OFF – All station ports idle
