NDA-24296 CHAPTER 3
Page 271
Revision 1.0
PA-CS08
Hotel Attendant Interface
5. Switch Settings
Standard settings for various switches on this circuit card are shown in the table below.
SWITCH
SWITCH
NO.
SETTING
STANDARD
SETTING
MEANING
MB
UP Circuit card Make-busy.
DOWN
Circuit card Make-busy cancel.
SW02 (TAS0)
SW03 (TAS1)
1
2
3
4
SW04
1ON × Fixed
2OFF × Fixed
3ON × Fixed
4OFF × Fixed
SW07 (TAS0)
SW08 (TAS1)
1
2
3
4
SETTING OF TAS SIGNALLING SYSTEM
SWITCH TAS (A WIRE) TAS (B WIRE)
1-48VG
2CRG
3GG
4 LOOP LOOP
SETTING OF TAS CURRENT LIMIT RESISTANCE
SW7-1/
SW8-1
SW7-2/
SW8-2
SW7-3/
SW8-3
SW7-4/
SW8-4
RESISTANCE
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
0 Ω
200 Ω
390 Ω
590 Ω
820 Ω
1020 Ω
1210 Ω
1410 Ω