Function selection-modules -4, Function selection-modules – ADC RS-232/V24 User Manual
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ADCP-50-304 • Issue 19 • June 1999 • Section 3: PatchSwitch V.35
Page 3-4
© 1999, ADC Telecommunications, Inc.
3
FUNCTION SELECTION-MODULES
Several optional items shown in
should be considered before any PSM-16 or PSM-18
modules are placed into service. Factory settings are noted, refer to
table for item
locations. If factory settings are acceptable, no action is required.
*
This screwdriver adjustment is made at the rotary switch on the face of the module near the bottom. Note the length of the lines
around the switch, the longer the line, the greater the time delay. Switch position 8 is straight up.
Sw Pos
TD
8 None
7 62.5 msec
6 250 msec
5 500 msec
4 1.0 sec
3 8.0 sec
2 32.0 sec
1 64.0 sec
V
RC (+)
DCE
Rec Clck (+)
17
X
RC (–)
DCE
Rec Clck (–)
18
Y
TC (+)
DCE
Trans Clck (+)
15
AA
TC (–)
DCE
Trans Clck (–)
16
MM
BSY
DCE
Busy Signal
25
K, L, M, N, Z, BB, CC,
DD, EE, FF, HH, JJ, KK,
LL, NN
Unassigned Pins
Table 3-3. Optional Items on the Module
ITEM
DESCRIPTION
FUNCTION
A
Trans Clk Source
(Factory Setting)
DTE
DCE
W,U
AA, Y
X
B
Alarm Sig Source
(Factory Setting)
TD RD RTS CTS RC DTR DCD TC
C
Alarm Reset Polarity
(Factory Setting)
ALM+
ALM
X
D
Alarm Reset
(Factory Setting)
AUTO
MANUAL
NOT-LCHD
(LCHD)
X
E
Alarm Delay
(Factory Setting)
NO
YES
*SW pos 8 7 6 5 4 3 2 1
X
Table 3-2. Normal Pin Assignments, continued
V.35 PIN
NAME
ORIGIN
SIGNAL
DESCRIPTION
DB-25
CONNECTOR PIN