B-6 APPENDIX B: TECHNICAL INFORMATIONWAN Port Connecting Cable – V.24/V.28 SupportThe WAN port terminates with a 25-way D-type female connector. Theport can be configured to support V.24 or V.28 signalling characteristicsat data transfer rates up to 19.2 Kbps. The WAN port connecting cableis not supplied with the unit. The following signalling characteristicsshould be observed when purchasing or fabricating a suitable cable.