IP-Voice: What is the pin out for the audio ports on a Voice2 unit

There 8 audio ports on the Voice2 unit 
4 are labelled "matrix" and pinned to use a straight CAT5 cable from the Voice2 unit to a Clear-Com matrix or a Drake 4000S2 matrix
4 are labelled "panel" and pinned to use a straight CAT5 cable from the Voice2 unit to a Clear-Com panel or Drake 4000S2 panel
Voice2 Matrix RJ45
 pin 1RS-422 TX+ (data INTO matrix)pin 2RS-422 TX- (data INTO matrix)pin 3AUDIO O/P+ (audio INTO Matrix)pin 4AUDIO I/P+ (audio FROM Matrix)pin 5AUDIO I/P_ (audio FROM Matrix)pin 6AUDIO O/P- (audio INTO Matrix)pin 7RS-422 RX+ (data FROM matrix)pin 8RS-422 RX- (data FROM matrix)  Voice2 panel RJ45
 pin 1RS-422 RX+ (data FROM panel)pin 2RS-422 RX- (data FROM panel)pin 3AUDIO I/P+ (audio FROM panel)pin 4AUDIO O/P+ (audio INTO panel)pin 5AUDIO O/P- (audio INTO panel)pin 6AUDIO I/P_ (audio FROM panel)pin 7RS-422 TX+ (data INTO panel)pin 8RS-422 TX- (data INTO panel)