TANDBERG 990 MXP, 880 MXP, 770 MXP LOS a RS366 DPR RS366 ACR RS366 CRQ RS366 PND RS366 DLO

Appendices

Cable Specification

RS-449/RS-366 Cable

TANDBERG MXP and Classic Endpoints that support External Network

•Connector on Tandberg End:

oFemale 26pin High Density DSUB Newark P/N 50F2055 or Equivalent

•Connector on RS-449:

oDSUB 37 pin Male

•Connector on RS-366:

oDSUB 25 pin Male

Signal Name	Female	Male	Male
	26pin DSUB	37pin DSUB	25pin DSUB
	(Tandberg	(DCE end)	RS-366
	end)	Pin Number	Pin Number
	Pin Number
Frame Ground	1	1
Signal Ground	19	19,30
Send Data (A)	11	4
Send Data (B)	12	22
Send Timing (A)	17	5
Send Timing (B)	18	23
Receive Data (A)	13	6
Receive Data (B)	14	24
Receive Timing(A)	15	8
Receive Timing (B)	16	26
Terminal Ready(A)	26	12
Receiver Ready (A)	22	13
Receiver Ready (B)	23	31
Incoming Call (A)	24	15
LOS A	25	36
RS366 DPR	2		2
RS366 ACR	3		3
RS366 CRQ	4		4
RS366 PND	5		5
RS366 DLO	6		22
RS366 NB1	7		14
RS366 NB2	8		15
RS366 NB4	9		16
RS366 NB8	10		17
RS366 DSC	20		13
RS366 PWI	20		6
RS366 GND	1		7

Comments

Do not connect shield to FGND

Twisted Pair

Twisted Pair

Twisted Pair

Twisted Pair

Twisted Pair

LOS A Unbalanced

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