Mocomtech CRS-300 operation manual Hssi HD-50F Connector CRS-336/370, Hssi Connector

CRS-300 1:10 Redundancy Switch	Revision 16
Connector Pinouts	MN/CRS300.IOM

6.2.8HSSI – HD-50F Connector (CRS-336/370)

TMI User Data Interface:

HSSI connector

Table 6-11is for the HD-50F SCSI-II TMI User Data Interface connector (HSSI): J2 on the CRS-336, and J1 on the CRS-370.

Table 6-11. HSSI Connector

Pin # (+, -)	Signal Function	HSSI Signal		RS613 Circuit	Circuit Direction
1, 26	Signal Ground	SG	102
2, 27	Receive Timing	RT	115		from DCE
3, 28	DCE Available	CA	107		from DCE
4, 29	Receive Data	RD	104		from DCE
5, 30	N/A	N/A		N/A	N/A
6, 31	Send Timing	ST	114		from DCE
7, 32	Signal Ground	SG	102
8, 33	DTE Available	TA	108/2		to DCE
9, 34	Terminal Timing	TT	113		to DCE
10, 35	N/A	N/A		N/A	N/A
11, 36	Send Data	SD	103		to DCE
12, 37	N/A	N/A		N/A	N/A
13, 38	Signal Ground	SG	102
14,15,17,	Reserved (to DCE)				not used
18, 39-43
16	Tx_Carrier_Off_L 1, 3	CO		undefined	from DTE
19, 44	Signal Ground	SG	102
20	Carrier Detect (lock) 1, 2	CD		undefined	from DCE
21-24,	Reserved (to DTE)			undefined	not used
46-49
25, 50	Signal Ground	SG	102

Notes:

1.Noted signal function names are non-HSSI defined signals. On Cisco™ routers, there is no connection to those pins.

2.TTL - output.

3.TTL or EIA-232 (active low) input.

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