PSB2115 Datasheet, PDF (66/317 Pages) Siemens Semiconductor Group – ISDN PC Adapter Circuit IPAC

PSB 2115
PSF 2115
Functional Description
The following four examples illustrate typical switching operations. Three of them are
programmed in the “IOM-2 Channel” register, example No. 4 makes use of the
“Loopback” register. All register bits related to the B1 or B2 channel are set to ZERO
unless otherwise stated.
1. Connection B1 (e.g. TE1) → Exchange, B2 (e.g. TE8) → Exchange
IPAC (LT-S)
B1
DU ^B2
B 1L = 1
B 2L = 1 ^DD
IOM ^R -2 Reg.
D IN
Exchange
D OUT
B1
B2
DU
DD
ARCOFI ^R
Power-Down
ITS09627
2. Connection B1 (e.g. TE1) → Exchange, B2 (e.g. TE8) → U-TE
IPAC (LT-S)
DU
B 1L = 1
B 2D = 1 ^DD
IOM ^R -2 Reg.
B1
IC2
IC2
D IN
Exchange
D OUT
B1
DU
DD
ARCOFI ^R
Voice Data to IC2
ITS09628
Semiconductor Group
66
11.97