T1 Modem Bank
18
• Do not connect wires to pins 12 or 13 in a standard daisy chain cable—serious damage
could result.
• Never use VGA extension cable or any other cable that has all 15 pins wired.
• Do not use a standard DB15 video cable
• To build a custom daisy chain cable, follow the wiring mode shown in Figure 33 on page
94 or Figure 34 on page 95. Alternatively, contact your Digi sales representative.
Connecting a Modem
To connect a modem to T1 Modem Banks, use the cabling shown in Figure 35 (page 97) or Figure 36 (page 98),
depending upon your modem type (RS-232 or RS-422). Connect additional T1 Modem Bank units with Eight-Wire
Direct cables (or the standard daisy chain cables shipped with the unit) as shown in Figure 10. Be sure to install the
terminator plug on the HOST OUT port of the last T1 Modem Bank.
Figure 10 Remote T1 Modem Bank Units
TM TM TM
7HUPLQDWRUSOXJ
LQVWDOOHGRQ +RV W 2XW
SRUW
6\QFKURQRXV0RGHP
6WDQGDUGGDLV\ F KDLQ FDEOH
PXVWEH ZLUH GLUH FW
6\QFKURQRXVPRGHP FDEOH
PRGHPWR 70RGHP %DQN