Cable specification
Applies to TANDBERG MXP and Classic Endpoints that supports
External Network
External Network RS-449/RS-366 Cable
Connector at the Tandberg end:
•
Female 26pin High Density DSUB Newark P/N 50F2055 or
Equivalent
Connector on RS-449:
•
DSUB 37 pin Male
Connector on RS-366:
•
DSUB 25 pin Male
Pin-Out on RS-449 Cable and RS-366 Cable
Signal Name
Female
26 pin DSUB
(Tandberg
End)
Pin Number
Male
37 pin DSUB
(DCE End)
Pin Number
Male
25 pin DSUB
RS-366
Pin Number
Comments
Frame Ground
1
1
Do not connect shield to FGND
Signal Ground
19
19, 30
Send Data (A)
Send Data (B)
11
12
4
22
Twisted pair
Send Timing (A)
Send Timing (B)
17
18
5
23
Twisted pair
Receive Data (A)
Receive Data (B)
13
14
6
24
Twisted pair
Receive Timing (A)
Receive Timing (B)
15
16
8
26
Twisted pair
Terminal Ready (A)
26
12
Receiver Ready (A)
Receiver Ready (B)
22
23
13
31
Twisted pair
Incoming Call (A)
24
15
LOS A
25
36
LOS A Unbalanced
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
D14033.06—AUGUST 2010
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MXP
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