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Cable Specification
RS-449 Cable
TANDBERG MXP and Classic Endpoints that support External
Network
• Connector on Tandberg End:
o Female 26pin High Density DSUB Newark P/N 50F2055 or Equivalent
• Connector on RS-449:
o DSUB 37 pin Male
Signal Name Female
26pin DSUB
(Tandberg end)
Pin Number
Male
37pin DSUB
(DCE end)
Pin Number
Comments
Frame Ground 1 1 Do not connect shield to FGND
Signal Ground 19,23 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 KG Resync 25 36
Cable Labels NET 1 RS449