Viking DVA-500A Technical Practice page 5

7. Transfer Option
When in programming enter the extension number, up to 16 digits, followed by #00 (see page 6, paragraph A, 3).
8. To Leave the Remote Programming Mode
Simply hang-up and the DVA-500A will time-out and disconnect.
G. Using the DVA-500A with Major PABX's
Manufacturer
ATT (Dimension, Horizon,
etc. 4 Wire E & M)
ATT (System 75)
ATT (System 85)
SN231 Circuit Pack
Conveyant
GTE
Harris (20-20)
Hitachi (HCX 5000)
N.E.C. (2400)
Northern (SL-1)
QPC74 Ran Trunk
Northern (SL-1)
Universal trunk card
Siemens
(Saturn)
Protocol Dip Notes
Switches
* Earth ground is the positive of the PABX system talk battery
Protocol "A"
with inverted busy signal
Use 4 Wire E & M Interface. Connections: T & R to pins 3 & 4, M to pin
ON
5, E to pin 2 and Earth Ground* to pin 6.
OFF
1 2 3 4
Protocol "A"
with inverted busy signal
ON For more information, contact Viking Product Support at (715) 386-8666.
OFF
1 2 3 4
Protocol "A"
with inverted busy signal
Use 4 Wire E & M Interface. Connections to SN231 Circuit Pack. T & R
to pins 3 & 4, S to pin 5, and AL to pin 2. Set option switches 1 & 2 down
ON
and 3 up on the Circuit Pack.
OFF
1 2 3 4
Protocol "A"
Use 4 Wire E & M Interface. Connections: T & R to pins 3 & 4. Strap pin
5 (from the DVA-500A) to pin 6 (of the DVA-500A). Don't connect any
ON
Earth Ground. RC-T1 (control input) lead to pin 2. CONVEYANT logic
OFF
ground to pin 1.
1 2 3 4
Protocol "A"
with inverted start signal
Use 4 Wire E & M Interface. Connections: T & R to pins 3 & 4, M to pin
ON
5, E to pin 2 and Frame Ground to pin 6.
OFF
1 2 3 4
Protocol "B"
Use 4 Wire E & M Interface. Connections: T1 & R1 to pins 3 & 4. M to pin
ON
5. E to pin 2. Earth ground* to pin 6.
OFF
1 2 3 4
Protocol "A"
with inverted busy signal
For more information, contact Viking Product Support at (715) 386-8666.
ON
OFF
1 2 3 4
Protocol "C"
Use 4 Wire E & M Interface. Connections to 40DT card: T1 & R1 to pins
ON
3 & 4. M to pin 5. Earth ground* to pin 6.
OFF
1 2 3 4
Use 4 Wire E & M Interface. Connections to QPC74 RAN TRUNK circuit
Protocol "A"
pack: T & R to pins 3 & 4. CPO to pin 2. S/MBO to pin 5. Earth ground*
ON
to pin 6. Set C34 switch as follows: SW1.0 - closed, SW2.0 - closed,
OFF
SW3.0 - open, SW4.0 - closed. Programming the SL-1: The DVA-500A
1 2 3 4
emulates a Cook 201.
Protocol "A"
Use 4 Wire E & M Interface. Connections to Universal TRUNK card: T &
ON
R to pins 3 & 4. Earth ground* to pin 6. Pin 5 to MB lead. Pin 2 to CP
OFF
lead. The DVA-500A emulates a Audiochron RQ1-112.
1 2 3 4
Use 4 Wire E & M Interface. Connections to the TMBA-4 card: T & R to
Protocol "A"
pins 3 & 4. MA to pin 5. Strap MA & EB together. Don't connect EA lead.
ON
Program Saturn for "Recann" and "Demand" and set "System Message"
OFF
to be a min. of 2 sec. longer than actual announcement. Strap TMBA-4
1 2 3 4
for type 2 signaling.
5