Nortel NT1R20 Description page 117

Table 20
Line-side T1 card—T1 Switch 2 (S2) dip switch settings
Dip Switch
Number
1 T1 framing
2 T1 Coding
3–5 CPE or CSU distance
6 Line processing on T1 link failure
7 Daisy-chaining to MMI
8 MMI Master or Slave
Table 21
Line-side T1 card—CPE or CSU distance dip switch settings (Switch S2, positions 3–5)
Distance
0–133
134–266
267–399
400–533
534–655
NT5D11 Line-side T1 Interface Card
Characteristic
S2 Switch
Position 3
On
Off
Off
Off
Off
Selection
On = D4
Off = ESF
On = AMI
Off = B8ZS
See Table 21
On = On-hook
Off = Off-hook
On = Yes
Off = No
On = Master
Off = Slave
S2 Switch
Position 4
Off
On
On
Off
Off
Line cards Description
Page 93 of 290
S2 Switch
Position 5
Off
On
Off
On
Off