Page 168 of 378 Install and configure ITG ISL Trunk node
553-3001-202 Standard 1.00 April 2000
D-channel cabling for the NT0961AA 24-Port ITG Trunk card
In this section, you check, and reset if necessary, MSDL switch sett ings,
install a filter (if required for your installati on) and install the cable that
connects the MSDL or SDI/DCH card to the ITG Tr unk 2.0 c ard that provides
the DCH interface.

Large systems required cables and filters

• the NTCW84KA E-LAN, T-LAN, RS232 and DCH Ports cabl e
• t he NTND26AA MSDL DCH cable
Set NT6D80 MSDL switches
1Set the switches in the NT6D80 MSDL card as shown. See Table28
for more information.
Table 28
NT6D80 MSDL settings for ITG ISL Trunk DCHIP
Port 0—SW4 Port 0—SW8
RS-422-A DTE all off all on
Port 1—SW3 Port 1—SW7
RS-422-A DTE all off all on
Port 2—SW2 Port 2—SW6
RS-422-A DTE all off all on
Port 3—SW1 Port 3—SW5
RS-422-A DTE all off all on
Note:
The device number for the MSDL card is configured in LD17 at the prompt DNUM. You must also set
the device number, using switches S9 and S10, on the MSDL card. S9 designates ones and S10
designates tens. To set the device number as 14, for example, se t S10 to 1 and S9 to 4.