Foxconn 7870 manual Interfacility Link Pinouts

3.3 7870 Interfacility Link Pinouts

3.37870 Interfacility Link Pinouts

3.3.1Transmitter Pinout

Standalone	7180M	2380 Relay
9-Pin	Chassis
Connector	Backplane	Adapter	Name	Description
[J13]	Connector	Connector
1	—	—	+14V Power	200 mA [max ≥ 10°C]1
2	—	—	Spare	Not Used
3	J11-P9, J12-P25	J4-P25	GND	Chassis Ground
	J13-P25
4	J13-P1 to J13-P8	J4-P1 to J4-P8	RSSI	RF signal strength indicator:
				range 0.2 - 10 V
5	J13-P9 to	J4-P9 to J4-P16	PDI	Indicates laser optical power:
	J13-P16			range -4.2 to 4.8
6	J13-P17 to	J4-P17 to J4-P24	LSRI	Indicates Laser Bias;
	J13-P24			Range
7	J12-P1 to J12-P8	J2: P1-P2	RFA	RF Alarm: Open collector
		P3-P4, P5-P6		interface.2 Sinks current when
		P7-P8, P9-P10		RF level is low, up to 30 mA.
		P11-P12, P13-
		P14
		P15-P16
8	J12-P9 to	See note below	OPTA	Optical Alarm: Open Collector
	J12-P16			Interface2.. Sinks current at low
				optical, up to 30 mA.
9	J11-P1 to J11-P6		Spare	Not used

Table 4 7870T Transmitter Pinout

1.300 ma below 10°C

2.If the 2380 Relay Adapter is installed, the alarms are dry contact. See Appendix 3 The 2380 Relay Adapter on page 33.

Note If a 2380 Relay Adapter is installed RF and Optical Levels are measured together; the alarm indicates a problem in either the RF or Optical Levels.

Figure 15 7870T Transmitter pinout

page 20 Document no. 93-005-35-C5