Nortel NT1R20 Description page 115

Table 18
Line-side T1 card—T1 Switch 1 (S1) dip switch settings
Dip Switch
Characteristic
Number
1 MMI port speed selection
2 T1 signaling
3–6 XPEC Address for the line-side T1 card
7 Not Used
8 Reserved for SL-100 use
Tables 18 through 21 describe the proper dip switch settings for each type of
T1 link. After the card has been installed, the MMI will display the DIP
switch settings by using the command Display Configuration. See
"Man-Machine T1 maintenance interface software" on page 109 for details
on how to invoke this command.
NT5D11 Line-side T1 Interface Card Page 91 of 290
Selection
On = 1200 baud
Off = 2400 baud
On = Ground start
Off = Loop start
See Table 19
Leave Off
Leave Off
Line cards Description