Switchpacks and Jumpers
C-4
7915-A2-GB20-20
September 1997
V.35/V.11-Compatible Units
97-15525
S4
V.35 / V.11
Switchpack S4
Jumpers P6 to P21
VT100 Terminal
Modular Jack
DSL Line Jack
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P1
1
P10
P9
P8
P7
P6
Position
1
2
3, 4, 5, 6, 7
8
Settings*
OFF = CP
ON = CO
For CO units:
For CP units: unused, leave OFF
Payload Rate (see table)
OFF = Terminal Mode
ON = Switchpack Mode
Pins*
1-2
2-3
Settings*
V.35 signaling
V.11 signaling
* Default in bold
321
678
ON
12345
OFF = Internal timing
ON = External timing
V.35/V.11-Compatible Unit Switchpack and Jumper Locations
Jumpers P6 – P21 must be set in the same position at all times. For V.35
signaling, each jumper must be placed on Pins 1 and 2. For V.11 signaling,
each jumper must be placed on Pins 2 and 3.
See
Table C-2
for switch positions to use for each supported payload rate.
