Datex-Ohmeda S/5 B-GAS, Technical Reference Manual

Page: 32 / 83

Datex-Ohmeda S/5 Anesthesia Monitor
Document No. 800 1005-1
26
2.2.9 Gas interface board
The Gas interface board, B-GAS is used for connecting an Airway Module to the Central Unit.
The board connects Airway Module signals to the module bus and supplies voltages from the
module bus to the Airway Module.
On the board there is a fuse (T4A) and some capacitors to regulate the power supply.
2.3 Connectors and signals
2.3.1 Module bus connector
13
1
14
25
Pin No I/O Signal
1 I RESET RS485
2 I -15 VDC
3 I +15 VDIRTY
4 I +15VDC
5 I/O -DATA RS485
6 I/O DATA RS485
7 Ground and Shield
8 I -RESET RS485
9 n/c
10 n/c
11 n/c
12 n/c
13 Ground and Shield
14 I +24/+32 VDIRTY Depends on power supply
15 I Ground DIRTY
16 n/c
17 n/c
18 n/c
19 n/c
20 I GASFR (not used)
21 I CTSD (not used)
22 I TXDD (not used)
23 O RXDD (not used)
24 I +5 VDC
25 I +5 VDC DIRTY, for infrared lamps
For B-GAS CPU Mother Board connector, see CPU Bus Connector in the Central Unit Section.