11
Table 1. Straps S1 through S5 (2 of 2)
Switch
Selection
Function
Position
S4–1
S4–2
S4–3
S4–4
S4–5
S4–6
See Table 4, Network Address Selection for Model 3510.
See Table 4, Network Address Selection for Model 3510.
See Table 4, Network Address Selection for Model 3510.
See Table 4, Network Address Selection for Model 3510.
See Table 4, Network Address Selection for Model 3510.
See Table 4, Network Address Selection for Model 3510.
S5–1
S5–2
S5–3
S5–4
S5–5
S5–6
F
R
F
R
F
R
—
F
R
R
F
Provides separate signal and frame grounds (Model 3510)
Connects signal ground to frame (Model 3510) (Default)
Disables test mode indication (Default)
Enables test mode indication on Pin 25 of EIA-232-D
Disables test mode indication (Default)
Enables test mode indication on Pin NN of V.35 interface
Not used; should be left open (F)
Disables DSR always on function (Default)
Enables DSR always on function
Disables message clamping (Model 3510 only) (Default)
Enables message clamping (Model 3510 only)
F = Front
R = Rear
Table 2. Timing Signal Source Selection
S1–1
S1–2
Source
R
R
F
F
R
F
R
F
Digital Network (Default)
Tributary/Slave LADS
Internal LADS
External LADS
F = Front
R = Rear
