Specifications

Reference Guide
C-33
RS-366 Jacks
The HSU-AD 530/35 Card RS-366 jacks allow you to connect the system to external CPE
devices for RS-366 dialing. These are DB-15 jacks with the pin locations shown in Figure
C-27. Table C-23 lists the signal pinouts.
Figure C-27. HSU-AD 530/35 Card RS-366 Jack Pin Orientation
Table C-23. HSU-AD 530/35 Card RS-366 Jack Pinouts
Pin Function Direction
1 Cable Shield --
2 DPR Input
3 ACR Output
4 CRQ Input
5 PND Output
6 PWI Output
7 Signal Gnd --
8 DSC Output
9 NB1 Input
10 NB2 Input
11 NB4 Input
12 NB8 Input
13 REC COM --
14 SEND COM --
15 DLO Output
P
4
Pin 8
Pin 1
Pin 15
Pin 9