Overview
Alexor PC9155 is a wireless intrusion panel built around compact deployments and fast enrollment workflows.
Official source
- Product page: DSC Alexor PC9155 (ID 53)
- Manual basis: *Alexor Installation Guide v1.1* and *Alexor User Manual v1.1*
Capacity and I/O profile
- Wireless zones: 1 to 32
- Auxiliary output current: 200 mA
- On-board I/O points can be used either as:
- Zone 33 and Zone 34 inputs, or
- Low-current PGM outputs (50 mA)
Enrollment behavior
- Wireless enrollment section: [804]
- First keypad enrollment window is approximately 2 minutes after initial power-up
Signaling options
- Optional communicator modules include TL265, TL265GS, GS2065, and GS2060 family IP/cellular modules.
- For SIA CP-01 installations, minimum equipment is PC9155-433 control panel plus WT5500-433 keypad.
- Optional: WT5500P-433 (prox reader), PT4 prox tags, WT4989 keys, WT4901/WT4911 sirens.
Error Codes
Common trouble patterns
| Symptom | Likely cause | Action |
|---|---|---|
| Keypad does not enroll | Enrollment window expired | Power cycle and re-attempt within first 2 minutes |
| Missing wireless zones | Device not enrolled or out of range | Re-enroll in [804], verify placement and battery |
| PGM not switching | I/O configured as zone instead of PGM | Confirm I/O mode and output mapping |
| AUX overload symptoms | Exceeded 200 mA auxiliary load | Reduce load or add external power strategy |
Fast recovery checklist
- Check power and battery state.
- Confirm keypad enrollment status.
- Validate zone definitions for 1-32 plus I/O mode.
- Re-test communication path after trouble clear.
| Code | Meaning | Suggested Fix |
|---|---|---|
| Symptom | Likely cause | Action |
| Keypad does not enroll | Enrollment window expired | Power cycle and re-attempt within first 2 minutes |
| Missing wireless zones | Device not enrolled or out of range | Re-enroll in [804], verify placement and battery |
| PGM not switching | I/O configured as zone instead of PGM | Confirm I/O mode and output mapping |
| AUX overload symptoms | Exceeded 200 mA auxiliary load | Reduce load or add external power strategy |