User manual

Chapter 2. Installation
26 ATLAS 800 Series Video Module User Manual 61200773L1-1A
POWER UP AND INITIALIZATION
The Video Module requires no initialization input during the power-up sequence, as
described in the ATLAS 800 Series User Manuals. Any previously configured set-
ting for the Video Module is automatically restored upon power-up.
Failed Self-Test
If the Video Module fails self-test, a message will be displayed in the terminal menu
self-test log during power-up. See the appropriate ATLAS 800 Series User Manual
for details.
Operation Alarms
The red ALARM LED (located with the Module LEDs on the front panel) illumi-
nates when an alarm condition is detected.
Connector Type RS-366 (DB-25)
Table 2-4. RS-366 Connector Pinout
Pin Signal Description Pin Signal Description
1 Shield (Ground) 14 Digit Signal Circuit 1 (NB1)
2 Digit Present (DPR) 15 Digit Signal Circuit 2 (NB2)
3 Abandon Call and Retry (ACR) 16 Digit Signal Circuit 4(NB4)
4 Call Request (CRQ) 17 Digit Signal Circuit 8(NB8)
5 Present Next Digit (PND) 18 Receive Common (RC)
6 Power Indication (PWI) 19 Send Common (SC)
7 Signal Ground (SG) 20-21 Not Used
8-12 Not Used 22 Data Link Occupied (DLO)
13 Distant Station Connection (DSC) 23-25 Not Used